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dbrockman/number-macros.h

Created January 22, 2013 16:43
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number-macros.h
// Takes a number and clamps it to within the provided bounds.
#define Clamp(_num, _min, _max) MIN((_max), MAX((_min), (_num)))
// Check if the two floats are equal.
#define FloatEqual(A, B) (ABS((A) - (B)) < FLT_EPSILON)
// Check if the two floats are NOT equal.
#define FloatNotEqual(A, B) (ABS((A) - (B)) > FLT_EPSILON)
// Check if the float is equal to zero.
#define FloatIsZero(A) (ABS(A) < FLT_EPSILON)
// Check if the float is NOT equal to zero.
#define FloatNotZero(A) (ABS(A) > FLT_EPSILON)
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