math_round.h

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#pragma once
 
#if defined( _MSC_VER ) && _MSC_VER < 1800
 
#include "math.h"
 
inline float round( float val )
{
    return (val > 0.0f) ? floorf(val + 0.5f) : ceilf(val - 0.5f);
}
 
inline float roundf( float val )
{
    return (val > 0.0f) ? floorf(val + 0.5f) : ceilf(val - 0.5f);
}
 
inline double round( double val )
{
    return (val > 0.0) ? floor(val + 0.5) : ceil(val - 0.5);
}
 
inline float exp2f( float val )
{
    return powf( 2.0f, val );
}
 
#endif