diff options
Diffstat (limited to 'NorthstarDLL/bits.cpp')
-rw-r--r-- | NorthstarDLL/bits.cpp | 92 |
1 files changed, 46 insertions, 46 deletions
diff --git a/NorthstarDLL/bits.cpp b/NorthstarDLL/bits.cpp index db8b1133..014899f2 100644 --- a/NorthstarDLL/bits.cpp +++ b/NorthstarDLL/bits.cpp @@ -1,46 +1,46 @@ -//=============================================================================//
-//
-// 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 );
-}
+//=============================================================================// +// +// 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 ); +} |