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31 lines
614 B
C++
31 lines
614 B
C++
#pragma once
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#ifndef NV_MATH_HALF_H
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#define NV_MATH_HALF_H
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#include "nvmath.h"
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namespace nv {
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uint32 half_to_float( uint16 h );
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uint16 half_from_float( uint32 f );
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void half_init_tables();
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uint32 fast_half_to_float(uint16 h);
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inline uint16 to_half(float c) {
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union { float f; uint32 u; } f;
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f.f = c;
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return nv::half_from_float( f.u );
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}
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inline float to_float(uint16 c) {
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union { float f; uint32 u; } f;
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f.u = nv::fast_half_to_float( c );
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return f.f;
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}
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} // nv namespace
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#endif // NV_MATH_HALF_H
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