mirror of https://github.com/lua/lua
more precision for PI + no more RADIANS_PER_DEGREE +
'min/maxint' -> 'min/maxinteger'
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parent
a8aede68c7
commit
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13
lmathlib.c
13
lmathlib.c
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@ -1,5 +1,5 @@
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/*
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** $Id: lmathlib.c,v 1.94 2014/04/01 14:39:55 roberto Exp roberto $
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** $Id: lmathlib.c,v 1.95 2014/04/03 14:18:19 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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@ -18,8 +18,7 @@
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#undef PI
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#define PI ((lua_Number)(3.1415926535897932384626433832795))
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#define RADIANS_PER_DEGREE ((lua_Number)(PI/180.0))
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#define PI (l_mathop(3.141592653589793238462643383279502884))
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static int math_abs (lua_State *L) {
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@ -167,12 +166,12 @@ static int math_exp (lua_State *L) {
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}
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static int math_deg (lua_State *L) {
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lua_pushnumber(L, luaL_checknumber(L, 1)/RADIANS_PER_DEGREE);
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lua_pushnumber(L, luaL_checknumber(L, 1) * (180.0 / PI));
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return 1;
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}
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static int math_rad (lua_State *L) {
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lua_pushnumber(L, luaL_checknumber(L, 1)*RADIANS_PER_DEGREE);
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lua_pushnumber(L, luaL_checknumber(L, 1) * (PI / 180.0));
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return 1;
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}
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@ -317,9 +316,9 @@ LUAMOD_API int luaopen_math (lua_State *L) {
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lua_pushnumber(L, HUGE_VAL);
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lua_setfield(L, -2, "huge");
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lua_pushinteger(L, LUA_MAXINTEGER);
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lua_setfield(L, -2, "maxint");
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lua_setfield(L, -2, "maxinteger");
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lua_pushinteger(L, LUA_MININTEGER);
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lua_setfield(L, -2, "minint");
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lua_setfield(L, -2, "mininteger");
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return 1;
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}
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