author | celestar |
Tue, 06 Mar 2007 15:30:54 +0000 | |
branch | gamebalance |
changeset 9876 | f8302fbd236d |
child 9877 | 29bb0e8924b7 |
permissions | -rw-r--r-- |
9876
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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1 |
/* $Id */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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2 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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3 |
/** |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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4 |
* @file |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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5 |
* Implements a Fixed-point data type. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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6 |
* This files defines a new data type |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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7 |
* "FixedT<Tstorage, Tdec_bits>", which can be used to compute fractional |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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8 |
* numbers without having to worry about network stability (because |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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9 |
* there is no real rounding taking place. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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10 |
* Use "Fixed" for the defaults values (48 bits integral part, 16 bits |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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11 |
* fractional part) or "FixedT<typename, int>" for flexible sizes. "int" |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* number of bits are taken from a variable of "typename" for the fractional |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* representation, the rest stays available for the integral part. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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14 |
* @warning More than 16 bits fractional should not be used when working |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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15 |
* with large integers. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* @warning More than 31 fractional bits are not supported, and will |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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17 |
* trigger a compiler warning with appropriate settings. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* @warning There are no warnings for buffer overflows. Those are very likely |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* to happen with divisions, as those first shift the numerator by the number |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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20 |
* of fractional bits. Use multiplication with the reciprocal whereever |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* it is possible. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* @warning Please use signed variables for storage at the moment ONLY |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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23 |
* |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* Variables can be initialized: |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* - with integers: "FixedT<int, 9> a = -5" |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* - with fractionals: "FixedT<int64, 11> b(7, 2);" where the first number is |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* the numerator and the second is the denominator. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* - not at all: "Fixed c;", which will automatically set c to zero. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* @example fixed_ex.cpp How to initialize Fixed-point data types |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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/* Included to overload the stream operator << */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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#include <iostream> |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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/* Needed for some ottd-specific data types */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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36 |
#include "stdafx.h" |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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38 |
/** |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* Base Class for storing fixed-point data types. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* Fixed-point data types are stored in a single integer-type variable |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* (Tstorage) of which a certain number of bits (Tdec_bits) is used to |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* represent the fractional part of the number. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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43 |
*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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template <typename Tstorage, int Tdec_bits> |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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class FixedRawT { |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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46 |
public: |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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/** The number of bits that represent the fractional */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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48 |
static const int dec_bits = Tdec_bits; |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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49 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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/** The storage of the number itself */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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Tstorage m_data; |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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53 |
/** |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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* Basic constructor for integer arguments. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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* @param value The raw value to which we want to initialize |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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template <typename T> |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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FixedRawT(T value) : m_data(value) {} |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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59 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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60 |
/** |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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* Make sure that a Fixed variable is always inizialized to zero by default. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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* We need this ctor so that we can declare variable without |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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* the need to initialize it explicitly |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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64 |
*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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FixedRawT() : m_data (0) {} |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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66 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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67 |
/** |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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68 |
* Returns the biggest integral number we can represent |
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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69 |
*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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70 |
int64 FIXED_MAX() const { return m_maximum; } |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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71 |
|
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72 |
/** |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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73 |
* Returns the biggest integral number we can represent |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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74 |
*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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75 |
int64 FIXED_MIN() const { return m_minimum; } |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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76 |
|
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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77 |
private: |
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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78 |
/** The largest number we can hold */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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79 |
static const int64 m_maximum = +(1ULL << ((sizeof(Tstorage) * 8) - Tdec_bits - 1)) - 1; |
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80 |
|
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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81 |
/** The smallest number we can hold */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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82 |
static const int64 m_minimum = -(1ULL << ((sizeof(Tstorage) * 8) - Tdec_bits - 1)) - 0; |
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83 |
}; |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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84 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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85 |
/* forward-declare some structs */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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86 |
template <typename Tstorage, int Tdec_bits> class FixedT; |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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87 |
template <typename T> struct FixedHelperT; |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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88 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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89 |
/** |
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celestar
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90 |
* Specialization of FixedHelperT. Used to decimal-align two variables of Fixed type. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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91 |
*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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92 |
template <typename Tstorage, int Tdec_bits> struct FixedHelperT<FixedRawT<Tstorage, Tdec_bits> > |
f8302fbd236d
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93 |
{ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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94 |
/** The number of bits used for the fraction */ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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95 |
static const int dec_bits = Tdec_bits; |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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96 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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97 |
/** |
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98 |
* Gives the raw data of a FixedRaw |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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99 |
* @param t The number to return |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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100 |
*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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101 |
static int64 Raw(const FixedRawT<Tstorage, Tdec_bits>& t) {return (int64)t.m_data;} |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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102 |
|
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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103 |
/** |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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104 |
* Returns the data from FixedRawT aligned so that it is aligned to a given number |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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105 |
* @param t The number to be aligned |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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106 |
* @param bits The number of bits in the fractional part to be aligned to |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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107 |
*/ |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
celestar
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108 |
static int64 Raw(const FixedRawT<Tstorage, Tdec_bits>& t, int bits) |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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109 |
{ |
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110 |
return (((int64)t.m_data) << (bits > Tdec_bits ? bits - Tdec_bits : 0)) >> (bits < Tdec_bits ? Tdec_bits - bits : 0); |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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111 |
} |
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112 |
}; |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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113 |
|
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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114 |
/** |
f8302fbd236d
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celestar
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115 |
* Specialization of FixedHelperT. Used to decimal-align two variables of Fixed type. |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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116 |
*/ |
f8302fbd236d
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celestar
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117 |
template <typename Tstorage, int Tdec_bits> struct FixedHelperT<FixedT<Tstorage, Tdec_bits> > : public FixedHelperT<FixedRawT<Tstorage, Tdec_bits> > {}; |
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118 |
|
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119 |
/** |
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120 |
* General implementation of FixedHelperT. This tempate makes sure that |
f8302fbd236d
(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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121 |
* some number supplied is properly aligned at the decimal |
f8302fbd236d
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122 |
*/ |
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celestar
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123 |
template <typename T> struct FixedHelperT |
f8302fbd236d
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124 |
{ |
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125 |
/** This version of FixedHelperT is only used for full integers, so assume the number of dec_bits to be zero */ |
f8302fbd236d
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126 |
static const int dec_bits = 0; |
f8302fbd236d
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127 |
/** Converts a full integer to one that has a given number of fractional bits, assumes |
f8302fbd236d
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128 |
* the number of fractional bits to be zero. |
f8302fbd236d
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129 |
* @param t the number to be converted |
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130 |
*/ |
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131 |
static int64 Raw(const T& t) {return (int64)t;} |
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132 |
|
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133 |
/** |
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134 |
* Converts a full integer to one that has a given number of fractional bits |
f8302fbd236d
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135 |
* @param bits the number of bits for the fraction |
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* @param t the number to be converted |
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*/ |
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static int64 Raw(const T& t, int bits) {return ((int64)t) << bits;} |
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}; |
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140 |
|
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141 |
|
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142 |
|
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143 |
/** |
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* A class that defines a fixed-point data type, which a variable length and precision. |
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* The data type that is defined is a fixed-point variable that has and number of Tdec_bits |
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* bits to represent the fractional part, the remaining bits of Tstorage are then used for |
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* the integer part of the number. This means, we always need to make a trade-off between |
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* the precision we want (higher number in Tdec_bits) and the range (smaller number of |
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* Tdec_bits). This class here only defines the constructors and the operators, everything |
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* else is happning in helper classes. |
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* @note for usage of fprintf and similar, explicit casts are needed (double or int64). |
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152 |
*/ |
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template <typename Tstorage, int Tdec_bits> class FixedT : public FixedRawT<Tstorage, Tdec_bits> { |
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154 |
/* private block up here, because we need the typedef later on */ |
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155 |
private: |
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156 |
/** We shortcut the underlying data type to "Raw", to save typing */ |
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typedef FixedRawT<Tstorage, Tdec_bits> Raw; |
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158 |
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159 |
public: |
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160 |
/** |
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161 |
* Ctor for assignment with other, non floating, variable types |
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* @param value The Value we should assign to the Fixed |
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163 |
*/ |
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template <typename T> FixedT(T value) : Raw(FixedHelperT<T>::Raw(value, Tdec_bits)) {} |
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165 |
|
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166 |
/** As a constructor without initializing, just use the one that Raw uses. Sets a variable to zero */ |
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167 |
FixedT() : Raw() {} |
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168 |
|
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169 |
/** |
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170 |
* Ctor for use with a fraction, useful for initing a variable to a non-integer number at declaration. |
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* @param numerator The Nominator of the fraction |
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* @param denominator The Denominator of the fraction |
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173 |
*/ |
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174 |
FixedT(int numerator, int denominator) {Raw::m_data = ((int64)numerator << Raw::dec_bits) / (int64)denominator;} |
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175 |
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176 |
/** |
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177 |
* Equality operator |
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* @param comparator The non-floating point variable we want to compare against |
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179 |
*/ |
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180 |
template <typename T> |
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181 |
bool operator ==(const T &comparator) const { return Raw::m_data == (Tstorage)FixedHelperT<T>::Raw(comparator, Tdec_bits); } |
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182 |
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183 |
/** |
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184 |
* Inequality operator |
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185 |
* @param comparator The non-floating point variable we want to compare against |
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186 |
*/ |
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187 |
template <typename T> |
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188 |
bool operator !=(const T &comparator) const { return Raw::m_data != (Tstorage)FixedHelperT<T>::Raw(comparator, Tdec_bits); } |
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189 |
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190 |
/** |
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191 |
* Greater or equal operator |
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192 |
* @param comparator The non-floating point variable we want to compare against |
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193 |
*/ |
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194 |
template <typename T> |
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195 |
bool operator >=(const T &comparator) const { return Raw::m_data >= (Tstorage)FixedHelperT<T>::Raw(comparator, Tdec_bits); } |
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196 |
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197 |
/** |
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198 |
* Less or equal operator |
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199 |
* @param comparator The non-floating point variable we want to compare against |
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200 |
*/ |
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201 |
template <typename T> |
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202 |
bool operator <=(const T &comparator) const { return Raw::m_data <= (Tstorage)FixedHelperT<T>::Raw(comparator, Tdec_bits); } |
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/** |
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* Greater than operator |
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* @param comparator The non-floating point variable we want to compare against |
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*/ |
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template <typename T> |
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bool operator >(const T &comparator) const { return Raw::m_data > (Tstorage)FixedHelperT<T>::Raw(comparator, Tdec_bits); } |
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/** |
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* Less than operator |
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* @param comparator The non-floating point variable we want to compare against |
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*/ |
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template <typename T> |
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bool operator <(const T &comparator) const { return Raw::m_data < (Tstorage)FixedHelperT<T>::Raw(comparator, Tdec_bits); } |
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/** |
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* Addition for Fixed-point data types |
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* @param value The non-floating point number to add |
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*/ |
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template <typename T> FixedT operator +(const T &value) const |
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{ |
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return Raw(Raw::m_data + (Tstorage)FixedHelperT<T>::Raw(value, Tdec_bits)); |
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} |
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/** |
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* Subtraction for Fixed-point data types |
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* @param value The non-floating point number to subtract |
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*/ |
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template <typename T> FixedT operator -(const T &value) const |
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{ |
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return Raw(Raw::m_data - (Tstorage)FixedHelperT<T>::Raw(value, Tdec_bits)); |
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234 |
} |
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235 |
|
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236 |
/** |
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* A simple multiplication for non-floating data types |
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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* @param value The non floating-point factor |
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239 |
*/ |
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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template <typename T> FixedT operator *(const T &value) const |
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241 |
{ |
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return Raw( (((int64)Raw::m_data) * FixedHelperT<T>::Raw(value)) >> FixedHelperT<T>::dec_bits); |
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} |
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244 |
|
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245 |
/** |
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* A simple division for non-floating data types |
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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* @param value The non floating-point divisor |
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248 |
*/ |
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template <typename T> FixedT operator /(const T &value) const |
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250 |
{ |
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return Raw( (((int64)Raw::m_data) << FixedHelperT<T>::dec_bits) / FixedHelperT<T>::Raw(value)); |
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252 |
} |
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253 |
|
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254 |
/** |
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255 |
* Addition-assignment for Fixed-point data types |
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* @param value The non-floating point number to add |
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257 |
*/ |
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258 |
template <typename T> FixedT& operator +=(const T &value) |
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259 |
{ |
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Raw::m_data = Raw::m_data + (Tstorage)FixedHelperT<T>::Raw(value, Tdec_bits); |
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261 |
return *this; |
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262 |
} |
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263 |
|
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264 |
/** |
f8302fbd236d
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265 |
* Subtract-assignment for Fixed-point data types |
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266 |
* @param value The non-floating point number to subtract |
f8302fbd236d
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267 |
*/ |
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268 |
template <typename T> FixedT& operator -=(const T &value) |
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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269 |
{ |
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(svn r9026) [gamebalance] -Add: Added a new data type that allows fixed-point computations, as to enable computing non-integral numbers without worrying about the FPU rounding differences and, thus, desyncs. It is fully doxygenned, read the usage there. Thanks a bunch to KUDr for helping me with templates
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270 |
Raw::m_data = Raw::m_data - (Tstorage)FixedHelperT<T>::Raw(value, Tdec_bits); |
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return *this; |
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} |
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/** |
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* Multiply-assignment for Fixed-point data types |
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* @param value The non-floating point number to multiply |
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*/ |
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template <typename T> FixedT& operator *=(const T &value) |
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{ |
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Raw::m_data = (Raw::m_data * (Tstorage)FixedHelperT<T>::Raw(value)) >> FixedHelperT<T>::dec_bits; |
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return *this; |
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} |
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/** |
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* Divide-assignment for Fixed-point data types |
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* @param value The non-floating point number to use as divisor |
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*/ |
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template <typename T> FixedT& operator /=(const T &value) |
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{ |
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Raw::m_data = (Raw::m_data << FixedHelperT<T>::dec_bits) / (Tstorage)FixedHelperT<T>::Raw(value); |
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return *this; |
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} |
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/** |
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* Stream operator, used for floating point output |
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* @param os The stream we are going to write to |
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* @param value The Fixed-point variable we want to write in the stream |
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*/ |
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friend std::ostream& operator << (std::ostream &os, const FixedT &value) { os << (double)value.m_data / (1ULL << Raw::dec_bits); return os; } |
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}; |
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