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Added rounding macros and constants to math.h

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Tom-on
2024-04-24 14:00:19 +02:00
parent ec9ede2ba9
commit 7576cbf6fa
2 changed files with 30 additions and 19 deletions
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include/math.h
+9 -1
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@@ -1,8 +1,16 @@
#ifndef MATH_H
#define MATH_H
// Constants
#define PI 3.141592653589 // Should be good enough
#define E 2.718281828459
// Macros
#define abs(x) ( (x) > 0 ? (x) : -(x) )
#define sign(x) ( (x) == 0 ? 0 : ((x) < 0 ? -1 : 1 ) )
#define round(x) ( (int)((x) + 0.5) )
#define floor(x) ( (int)(x) ) // C floors floats when converting to ints
#define round(x) ( (int)((x) + 0.5) ) // Normal rounding
#define ceil(x) ( (int)((x) + 1) ) // Always rounds up
#endif