20 lines
416 B
C
20 lines
416 B
C
/* GL for KOS ##version##
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glmacros.c
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(c)2001 Paul Boese
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*/
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#ifndef __GL_GLMACROS_H
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#define __GL_GLMACROS_H
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#define ABS(n) ( (n)<(0.0f) ? (-n):(n) )
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#define NEG(n) ( (n)>(0.0f) ? (-n):(n) )
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#define CLAMP01(x) ( (x)<(0.0f) ? ((0.0f)) : ((x)>(1.0f) ? ((1.0f)) : (x)) )
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/* Clamp X to [MIN,MAX]: */
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#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) )
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#endif /* __GL_GLMACROS_H */
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