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better approximation for PI

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This commit is contained in:
Roberto Ierusalimschy
1995-02-06 17:36:43 -02:00
parent bb00cd66a7
commit 3203460c9e
1 changed files with 2 additions and 2 deletions
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4
mathlib.c
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@@ -3,7 +3,7 @@
** Mathematics library to LUA ** Mathematics library to LUA
*/ */
char *rcs_mathlib="$Id: mathlib.c,v 1.7 1994/12/16 15:53:57 roberto Exp roberto $"; char *rcs_mathlib="$Id: mathlib.c,v 1.8 1995/01/04 18:49:54 roberto Exp $";
#include <stdio.h> /* NULL */ #include <stdio.h> /* NULL */
#include <math.h> #include <math.h>
@@ -11,7 +11,7 @@ char *rcs_mathlib="$Id: mathlib.c,v 1.7 1994/12/16 15:53:57 roberto Exp roberto
#include "lualib.h" #include "lualib.h"
#include "lua.h" #include "lua.h"
#define PI (3.141592653589793) #define PI 3.14159265358979323846
#define TODEGREE(a) ((a)*180.0/PI) #define TODEGREE(a) ((a)*180.0/PI)
#define TORAD(a) ((a)*PI/180.0) #define TORAD(a) ((a)*PI/180.0)