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| author | Benoit Giannangeli <giann008@gmail.com> | 2017-04-26 09:02:43 +0200 |
|---|---|---|
| committer | Benoit Giannangeli <giann008@gmail.com> | 2017-04-26 11:41:21 +0200 |
| commit | fc482dac2bd84df0bb82216b9036b25a2914474c (patch) | |
| tree | 8d01005b480161c505626b96455457349a347a47 | |
| parent | e2d9007d484641a3c3dffc325999fe509de1422a (diff) | |
| download | fengari-fc482dac2bd84df0bb82216b9036b25a2914474c.tar.gz fengari-fc482dac2bd84df0bb82216b9036b25a2914474c.tar.bz2 fengari-fc482dac2bd84df0bb82216b9036b25a2914474c.zip | |
math.huge is Number.Infinity
| -rw-r--r-- | src/lauxlib.js | 11 | ||||
| -rw-r--r-- | src/lmathlib.js | 2 |
2 files changed, 10 insertions, 3 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; diff --git a/src/lmathlib.js b/src/lmathlib.js index 49a1abe..7d3a082 100644 --- a/src/lmathlib.js +++ b/src/lmathlib.js @@ -259,7 +259,7 @@ const luaopen_math = function(L) { lauxlib.luaL_newlib(L, mathlib); lua.lua_pushnumber(L, Math.PI); lua.lua_setfield(L, -2, lua.to_luastring("pi", true)); - lua.lua_pushnumber(L, Number.MAX_VALUE); + lua.lua_pushnumber(L, Infinity); lua.lua_setfield(L, -2, lua.to_luastring("huge", true)); lua.lua_pushinteger(L, llimit.MAX_INT); lua.lua_setfield(L, -2, lua.to_luastring("maxinteger", true)); |