diff options
Diffstat (limited to 'src/lauxlib.js')
| -rw-r--r-- | src/lauxlib.js | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/lauxlib.js b/src/lauxlib.js index 3921519..a70e5d0 100644 --- a/src/lauxlib.js +++ b/src/lauxlib.js @@ -362,20 +362,27 @@ const luaL_tolstring = function(L, idx) { luaL_error(L, lua.to_luastring("'__tostring' must return a string", true)); } else { switch(lua.lua_type(L, idx)) { - case lua.LUA_TNUMBER: + case lua.LUA_TNUMBER: { if (lua.lua_isinteger(L, idx)) lua.lua_pushstring(L, lua.to_luastring(lua.lua_tointeger(L, idx).toString())); else { let n = lua.lua_tonumber(L, idx); let a = Math.abs(n); let s; - if (a > 100000000000000 || a < 0.0001) + if (Object.is(n, Infinity)) + s = 'inf'; + else if (Object.is(n, -Infinity)) + s = '-inf'; + else if (Number.isNaN(n)) + s = 'nan'; + else if (a >= 100000000000000 || a < 0.0001) s = n.toExponential(); else s = n.toPrecision(16).replace(/(\.[0-9][1-9]*)0+$/, "$1"); lua.lua_pushstring(L, lua.to_luastring(s)); } break; + } case lua.LUA_TSTRING: lua.lua_pushvalue(L, idx); break; |