Implemented a proper libc

2024-10-05 13:34:24 +02:00
parent a6445ebcb6
commit 5a5ea4ea59
28 changed files with 258 additions and 123 deletions
@@ -0,0 +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 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