diff options
| -rw-r--r-- | src/common/Collision/BoundingIntervalHierarchy.h | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/src/common/Collision/BoundingIntervalHierarchy.h b/src/common/Collision/BoundingIntervalHierarchy.h index 75a21c8d833..382d8abdf75 100644 --- a/src/common/Collision/BoundingIntervalHierarchy.h +++ b/src/common/Collision/BoundingIntervalHierarchy.h @@ -29,29 +29,26 @@ #include <algorithm> #include <limits> #include <cmath> +#include "string.h" #define MAX_STACK_SIZE 64 +// https://stackoverflow.com/a/4328396 + static inline uint32 floatToRawIntBits(float f) { - union - { - uint32 ival; - float fval; - } temp; - temp.fval=f; - return temp.ival; + static_assert(sizeof(float) == sizeof(uint32), "Size of uint32 and float must be equal for this to work"); + uint32 ret; + memcpy(&ret, &f, sizeof(float)); + return ret; } static inline float intBitsToFloat(uint32 i) { - union - { - uint32 ival; - float fval; - } temp; - temp.ival=i; - return temp.fval; + static_assert(sizeof(float) == sizeof(uint32), "Size of uint32 and float must be equal for this to work"); + float ret; + memcpy(&ret, &i, sizeof(uint32)); + return ret; } struct AABound |