diff options
Diffstat (limited to 'NorthstarDLL/bits.cpp')
-rw-r--r-- | NorthstarDLL/bits.cpp | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/NorthstarDLL/bits.cpp b/NorthstarDLL/bits.cpp deleted file mode 100644 index 014899f2..00000000 --- a/NorthstarDLL/bits.cpp +++ /dev/null @@ -1,46 +0,0 @@ -//=============================================================================// -// -// Purpose: look for NANs, infinities, and underflows. -// -//=============================================================================// - -#include "pch.h" -#include "bits.h" - -//----------------------------------------------------------------------------- -// This follows the ANSI/IEEE 754-1985 standard -//----------------------------------------------------------------------------- -unsigned long& FloatBits(float& f) -{ - return *reinterpret_cast<unsigned long*>(&f); -} - -unsigned long const& FloatBits(float const& f) -{ - return *reinterpret_cast<unsigned long const*>(&f); -} - -float BitsToFloat(unsigned long i) -{ - return *reinterpret_cast<float*>(&i); -} - -bool IsFinite(float f) -{ - return ((FloatBits(f) & 0x7F800000) != 0x7F800000); -} - -unsigned long FloatAbsBits(float f) -{ - return FloatBits(f) & 0x7FFFFFFF; -} - -float FloatMakePositive(float f) -{ - return fabsf(f); -} - -float FloatNegate(float f) -{ - return -f; // BitsToFloat( FloatBits(f) ^ 0x80000000 ); -} |