mirrors/HandmadeMath
1
0
Fork 0
mirror of https://github.com/HandmadeMath/HandmadeMath.git synced 2025-12-28 15:44:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fixed floating point comparision, and SIMD'd hmm_vec4 comparison

Browse Source
This commit is contained in:
Zakary Strange
2020-01-11 20:05:19 -08:00
parent 81659df32d
commit f925f83683
1 changed files with 19 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
HandmadeMath.h
View File

@@ -150,7 +150,7 @@ extern "C"
#if !defined(HMM_SINF) || !defined(HMM_COSF) || !defined(HMM_TANF) || \
!defined(HMM_SQRTF) || !defined(HMM_EXPF) || !defined(HMM_LOGF) || \
!defined(HMM_ACOSF) || !defined(HMM_ATANF)|| !defined(HMM_ATAN2F)
!defined(HMM_ACOSF) || !defined(HMM_ATANF)|| !defined(HMM_ATAN2F) || !defined(HMM_FABS)
#include <math.h>
#endif
@@ -190,8 +190,13 @@ extern "C"
#define HMM_ATAN2F atan2f
#endif
#ifndef HMM_FABS
#define HMM_FABS fabs
#endif
#define HMM_PI32 3.14159265359f
#define HMM_PI 3.14159265358979323846
#define HMM_FLOAT_EPSILON 1.19209290E-07F
#define HMM_MIN(a, b) (a) > (b) ? (b) : (a)
#define HMM_MAX(a, b) (a) < (b) ? (b) : (a)
@@ -489,6 +494,12 @@ HMM_INLINE float HMM_LogF(float Float)
return (Result);
}
HMM_INLINE float HMM_FAbs(float Float)
{
float Result = HMM_FABS(Float);
return(Result);
}
COVERAGE(HMM_SquareRootF, 1)
HMM_INLINE float HMM_SquareRootF(float Float)
{
@@ -978,12 +989,17 @@ HMM_INLINE hmm_vec4 HMM_DivideVec4f(hmm_vec4 Left, float Right)
return (Result);
}
HMM_INLINE hmm_bool HMM_AreFloatsSame(float InputOne, float InputTwo)
{
return(HMM_FAbs(InputOne - InputTwo) < HMM_FLOAT_EPSILON);
}
COVERAGE(HMM_EqualsVec2, 1)
HMM_INLINE hmm_bool HMM_EqualsVec2(hmm_vec2 Left, hmm_vec2 Right)
{
ASSERT_COVERED(HMM_EqualsVec2);
hmm_bool Result = (Left.X == Right.X && Left.Y == Right.Y);
hmm_bool Result = (HMM_AreFloatsSame(Left.X, Right.X) && HMM_AreFloatsSame(Left.Y, Right.Y));
return (Result);
}
@@ -993,7 +1009,7 @@ HMM_INLINE hmm_bool HMM_EqualsVec3(hmm_vec3 Left, hmm_vec3 Right)
{
ASSERT_COVERED(HMM_EqualsVec3);
hmm_bool Result = (Left.X == Right.X && Left.Y == Right.Y && Left.Z == Right.Z);
hmm_bool Result = (HMM_AreFloatsSame(Left.X, Right.X) && HMM_AreFloatsSame(Left.Y, Right.Y) && HMM_AreFloatsSame(Left.Z, Right.Z));
return (Result);
}