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new functions `lua_tointeger' and lua_pushinteger'

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Roberto Ierusalimschy
2003-10-07 17:13:41 -03:00
parent 21947deddc
commit f04fe526cd
11 changed files with 160 additions and 120 deletions
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8
lmathlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lmathlib.c,v 1.55 2003/03/11 12:24:34 roberto Exp roberto $
** $Id: lmathlib.c,v 1.56 2003/03/11 12:30:37 roberto Exp roberto $
** Standard mathematical library
** See Copyright Notice in lua.h
*/
@@ -128,7 +128,7 @@ static int math_rad (lua_State *L) {
static int math_frexp (lua_State *L) {
int e;
lua_pushnumber(L, frexp(luaL_checknumber(L, 1), &e));
lua_pushnumber(L, e);
lua_pushinteger(L, e);
return 2;
}
@@ -179,14 +179,14 @@ static int math_random (lua_State *L) {
case 1: { /* only upper limit */
int u = luaL_checkint(L, 1);
luaL_argcheck(L, 1<=u, 1, "interval is empty");
lua_pushnumber(L, (int)floor(r*u)+1); /* int between 1 and `u' */
lua_pushnumber(L, floor(r*u)+1); /* int between 1 and `u' */
break;
}
case 2: { /* lower and upper limits */
int l = luaL_checkint(L, 1);
int u = luaL_checkint(L, 2);
luaL_argcheck(L, l<=u, 2, "interval is empty");
lua_pushnumber(L, (int)floor(r*(u-l+1))+l); /* int between `l' and `u' */
lua_pushnumber(L, floor(r*(u-l+1))+l); /* int between `l' and `u' */
break;
}
default: return luaL_error(L, "wrong number of arguments");