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@@ -1,5 +1,5 @@
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/*
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-** $Id: lmathlib.c,v 1.59 2003/11/05 11:59:14 roberto Exp roberto $
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+** $Id: lmathlib.c,v 1.60 2004/04/30 20:13:38 roberto Exp roberto $
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** Standard mathematical library
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** See Copyright Notice in lua.h
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*/
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@@ -23,56 +23,43 @@
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-/*
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-** If you want Lua to operate in degrees (instead of radians),
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-** define USE_DEGREES
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-*/
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-#ifdef USE_DEGREES
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-#define FROMRAD(a) ((a)/RADIANS_PER_DEGREE)
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-#define TORAD(a) ((a)*RADIANS_PER_DEGREE)
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-#else
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-#define FROMRAD(a) (a)
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-#define TORAD(a) (a)
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-#endif
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-
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-
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static int math_abs (lua_State *L) {
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lua_pushnumber(L, fabs(luaL_checknumber(L, 1)));
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return 1;
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}
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static int math_sin (lua_State *L) {
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- lua_pushnumber(L, sin(TORAD(luaL_checknumber(L, 1))));
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+ lua_pushnumber(L, sin(luaL_checknumber(L, 1)));
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return 1;
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}
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static int math_cos (lua_State *L) {
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- lua_pushnumber(L, cos(TORAD(luaL_checknumber(L, 1))));
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+ lua_pushnumber(L, cos(luaL_checknumber(L, 1)));
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return 1;
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}
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static int math_tan (lua_State *L) {
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- lua_pushnumber(L, tan(TORAD(luaL_checknumber(L, 1))));
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+ lua_pushnumber(L, tan(luaL_checknumber(L, 1)));
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return 1;
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}
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static int math_asin (lua_State *L) {
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- lua_pushnumber(L, FROMRAD(asin(luaL_checknumber(L, 1))));
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+ lua_pushnumber(L, asin(luaL_checknumber(L, 1)));
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return 1;
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}
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static int math_acos (lua_State *L) {
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- lua_pushnumber(L, FROMRAD(acos(luaL_checknumber(L, 1))));
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+ lua_pushnumber(L, acos(luaL_checknumber(L, 1)));
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return 1;
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}
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static int math_atan (lua_State *L) {
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- lua_pushnumber(L, FROMRAD(atan(luaL_checknumber(L, 1))));
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+ lua_pushnumber(L, atan(luaL_checknumber(L, 1)));
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return 1;
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}
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static int math_atan2 (lua_State *L) {
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- lua_pushnumber(L, FROMRAD(atan2(luaL_checknumber(L, 1), luaL_checknumber(L, 2))));
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+ lua_pushnumber(L, atan2(luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
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return 1;
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}
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