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Resolve aliasing issues #152, #212

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This commit is contained in:
Christophe Riccio
2014-06-21 07:41:30 -04:00
parent 381e1627b8
commit b69356cadb
2 changed files with 18 additions and 3 deletions
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20
glm/gtc/packing.inl
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@@ -170,6 +170,7 @@ namespace detail
# if(GLM_COMPILER & GLM_COMPILER_GCC || GLM_COMPILER & GLM_COMPILER_CLANG)
float Temp = 0;
memcpy(&Temp, &Result, sizeof(Temp));
return Temp;
# else
return reinterpret_cast<float&>(Result);
# endif
@@ -184,7 +185,13 @@ namespace detail
else if(glm::isinf(x))
return 0x1f << 5;
uint Pack = reinterpret_cast<uint&>(x);
# if(GLM_COMPILER & GLM_COMPILER_GCC || GLM_COMPILER & GLM_COMPILER_CLANG)
uint Pack = 0;
memcpy(&Pack, &x, sizeof(Pack));
# else
uint Pack = reinterpret_cast<uint&>(x);
# endif
return float2packed10(Pack);
}
@@ -197,8 +204,15 @@ namespace detail
else if(x == (0x1f << 5))
return ~0;//Inf
uint result = packed10ToFloat(x);
return reinterpret_cast<float&>(result);
uint Result = packed10ToFloat(x);
# if(GLM_COMPILER & GLM_COMPILER_GCC || GLM_COMPILER & GLM_COMPILER_CLANG)
float Temp = 0;
memcpy(&Temp, &Result, sizeof(Temp));
return Temp;
# else
return reinterpret_cast<float&>(Result);
# endif
}
// GLM_FUNC_QUALIFIER glm::uint f11_f11_f10(float x, float y, float z)