Function dfhack_random_unitvector

library/LuaApi.cpp:1177–1191

    return 1;
}
static int dfhack_random_unitvector(lua_State *L)
{
    MersenneRNG *prng = check_random_native(L, 1);
    int size = luaL_optint(L, 2, 3);
    if (size <= 0 || size > 32)
        luaL_argerror(L, 2, "vector size must be positive");
    luaL_checkstack(L, size, "not enough stack in dfhack.random.unitvector");

    vector<double> buf(size);
    prng->unitvector(buf.data(), size);

    for (int i = 0; i < size; i++)
        lua_pushnumber(L, buf[i]);
    return size;
}

static int eval_perlin_1(lua_State *L)
{