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Core/Misc: Remove dependency on undefined behaviour (#2678)

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Co-authored-by: Ujp8LfXBJ6wCPR <github@lillecarl.com>

Co-authored-by: Ujp8LfXBJ6wCPR <github@lillecarl.com>
This commit is contained in:
Viste
2020-03-18 22:07:59 +03:00
committed by GitHub
parent 8d6bf1f4dc
commit ef5d6eae9b
1 changed files with 11 additions and 14 deletions
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25
src/common/Collision/BoundingIntervalHierarchy.h
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@@ -18,29 +18,26 @@
#include <algorithm> #include <algorithm>
#include <limits> #include <limits>
#include <cmath> #include <cmath>
#include "string.h"
#define MAX_STACK_SIZE 64 #define MAX_STACK_SIZE 64
// https://stackoverflow.com/a/4328396
static inline uint32 floatToRawIntBits(float f) static inline uint32 floatToRawIntBits(float f)
{ {
union static_assert(sizeof(float) == sizeof(uint32), "Size of uint32 and float must be equal for this to work");
{ uint32 ret;
uint32 ival; memcpy(&ret, &f, sizeof(float));
float fval; return ret;
} temp;
temp.fval=f;
return temp.ival;
} }
static inline float intBitsToFloat(uint32 i) static inline float intBitsToFloat(uint32 i)
{ {
union static_assert(sizeof(float) == sizeof(uint32), "Size of uint32 and float must be equal for this to work");
{ float ret;
uint32 ival; memcpy(&ret, &i, sizeof(uint32));
float fval; return ret;
} temp;
temp.ival=i;
return temp.fval;
} }
struct AABound struct AABound