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luaur_vm/functions/
math_max.rs

1use crate::functions::lua_gettop::lua_gettop;
2use crate::functions::lua_l_checknumber::lua_l_checknumber;
3use crate::functions::lua_pushnumber::lua_pushnumber;
4use crate::type_aliases::lua_state::lua_State;
5
6#[no_mangle]
7pub unsafe fn math_max(l: *mut lua_State) -> i32 {
8    let n = lua_gettop(l); // number of arguments
9    let mut dmax = lua_l_checknumber(l, 1);
10    let mut i = 2;
11    while i <= n {
12        let d = lua_l_checknumber(l, i);
13        if d > dmax {
14            dmax = d;
15        }
16        i += 1;
17    }
18    lua_pushnumber(l, dmax);
19    1
20}