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Add wrappers for expf and logf

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This commit is contained in:
Matt Mascarenhas
2016-08-31 02:10:39 +01:00
parent 5b0e0969c2
commit 774630b7cf
1 changed files with 40 additions and 7 deletions
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39
HandmadeMath.h
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@@ -77,19 +77,23 @@
#define HMM_SINF MySinF #define HMM_SINF MySinF
#define HMM_COSF MyCosF #define HMM_COSF MyCosF
#define HMM_TANF MyTanF #define HMM_TANF MyTanF
#define HMM_EXPF MyExpF
#define HMM_LOGF MyLogF
Provide your own implementations of SinF, CosF, and TanF Provide your own implementations of SinF, CosF, TanF, ExpF and LogF
in EXACTLY one C or C++ file that includes this header, BEFORE the in EXACTLY one C or C++ file that includes this header, BEFORE the
include, like this: include, like this:
#define HMM_SINF MySinF #define HMM_SINF MySinF
#define HMM_COSF MyCosF #define HMM_COSF MyCosF
#define HMM_TANF MyTanF #define HMM_TANF MyTanF
#define HMM_EXPF MyExpF
#define HMM_LOGF MyLogF
#define HANDMADE_MATH_IMPLEMENTATION #define HANDMADE_MATH_IMPLEMENTATION
#define HANDMADE_MATH_CPP_MODE #define HANDMADE_MATH_CPP_MODE
#include "HandmadeMath.h" #include "HandmadeMath.h"
If you do not define all three of these, HandmadeMath.h will use the If you do not define all five of these, HandmadeMath.h will use the
versions of these functions that are provided by the CRT. versions of these functions that are provided by the CRT.
========================================================================== ==========================================================================
@@ -183,7 +187,8 @@ extern "C"
#define HINLINE inline #define HINLINE inline
#endif #endif
#if !defined(HMM_SINF) || !defined(HMM_COSF) || !defined(HMM_TANF) #if !defined(HMM_SINF) || !defined(HMM_COSF) || !defined(HMM_TANF) || \
!defined(HMM_EXPF) || !defined(HMM_LOGF)
#include <math.h> #include <math.h>
#endif #endif
@@ -199,6 +204,14 @@ extern "C"
#define HMM_TANF tanf #define HMM_TANF tanf
#endif #endif
#ifndef HMM_EXPF
#define HMM_EXPF expf
#endif
#ifndef HMM_LOGF
#define HMM_LOGF logf
#endif
#define HMM_PI32 3.14159265359f #define HMM_PI32 3.14159265359f
#define HMM_PI 3.14159265358979323846 #define HMM_PI 3.14159265358979323846
@@ -338,6 +351,8 @@ typedef hmm_mat4 hmm_m4;
HMMDEF float HMM_SinF(float Angle); HMMDEF float HMM_SinF(float Angle);
HMMDEF float HMM_TanF(float Angle); HMMDEF float HMM_TanF(float Angle);
HMMDEF float HMM_CosF(float Angle); HMMDEF float HMM_CosF(float Angle);
HMMDEF float HMM_ExpF(float Float);
HMMDEF float HMM_LogF(float Float);
HMMDEF float HMM_ToRadians(float Degrees); HMMDEF float HMM_ToRadians(float Degrees);
HMMDEF float HMM_SquareRootF(float Float); HMMDEF float HMM_SquareRootF(float Float);
@@ -538,6 +553,24 @@ HMM_TanF(float Radians)
return (Result); return (Result);
} }
HINLINE float
HMM_ExpF(float Float)
{
float Result = 0;
Result = HMM_EXPF(Float);
return (Result);
}
HINLINE float
HMM_LogF(float Float)
{
float Result = 0;
Result = HMM_LOGF(Float);
return (Result);
}
HINLINE float HINLINE float
HMM_SquareRootF(float Value) HMM_SquareRootF(float Value)
{ {