r5sdk/r5dev/mathlib/fbits.h

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#pragma once
unsigned long& FloatBits(float& f);
unsigned long const& FloatBits(float const& f);
float BitsToFloat(unsigned long i);
bool IsFinite(float f);
unsigned long FloatAbsBits(float f);
float FloatMakePositive(float f);
float FloatNegate(float f);
#define FLOAT32_NAN_BITS (std::uint32_t)0x7FC00000 // NaN!
#define FLOAT32_NAN BitsToFloat( FLOAT32_NAN_BITS )
#define VEC_T_NAN FLOAT32_NAN