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Fixed fequal.

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This commit is contained in:
Branimir Karadžić
2015-12-20 14:11:23 -08:00
parent e1d947fa85
commit 346320db00
1 changed files with 8 additions and 5 deletions
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13
include/bx/fpumath.h
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@@ -14,10 +14,10 @@
namespace bx
{
static const float pi = 3.14159265358979323846f;
static const float invPi = 1.0f/3.14159265358979323846f;
static const float piHalf = 1.57079632679489661923f;
static const float sqrt2 = 1.41421356237309504880f;
static const float pi = 3.14159265358979323846f;
static const float invPi = 1.0f/3.14159265358979323846f;
static const float piHalf = 1.57079632679489661923f;
static const float sqrt2 = 1.41421356237309504880f;
inline float toRad(float _deg)
{
@@ -141,7 +141,10 @@ namespace bx
inline bool fequal(float _a, float _b, float _epsilon)
{
return fabsolute(_a - _b) <= _epsilon;
// http://realtimecollisiondetection.net/blog/?p=89
const float lhs = fabsolute(_a - _b);
const float rhs = _epsilon * fmax3(1.0f, fabsolute(_a), fabsolute(_b) );
return lhs <= rhs;
}
inline bool fequal(const float* __restrict _a, const float* __restrict _b, uint32_t _num, float _epsilon)