41 lines
679 B
C
41 lines
679 B
C
#include "utils.h"
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//Signum function
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#ifdef WIN32
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_inline int sign(float i)
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#else
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inline int sign(float i)
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#endif
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{
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if (i<0)
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return -1;
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if (i>0)
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return 1;
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return 0;
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}
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#ifdef WIN32
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_inline unsigned clamp_flt(float f, float min, float max)
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#else
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inline unsigned clamp_flt(float f, float min, float max)
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#endif
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{
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if(f<min)
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return 0;
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if(f>max)
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return 255;
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return (int)(255.0f*(f-min)/(max-min));
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}
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#ifdef WIN32
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_inline float restrict_flt(float f, float min, float max)
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#else
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inline float restrict_flt(float f, float min, float max)
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#endif
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{
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if(f<min)
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return min;
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if(f>max)
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return max;
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return f;
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} |