108 lines
2.6 KiB
JavaScript
108 lines
2.6 KiB
JavaScript
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Elm.Native.Basics = function(elm) {
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'use strict';
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if (elm.Native.Basics) return elm.Native.Basics;
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var JS = Elm.Native.JavaScript(elm);
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// var Maybe = Elm.Maybe(elm);
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var Utils = Elm.Native.Utils(elm);
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//var Char = Elm.Char(elm);
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function div(a,b) { return (a/b)|0; }
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function rem(a,b) { return a % b; }
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var mod = Utils.mod;
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function abs(x) { return x < 0 ? -x : x; }
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function logBase(base,n) { return Math.log(n) / Math.log(base); }
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function min(a,b) { return Utils.cmp(a,b) < 0 ? a : b; }
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function max(a,b) { return Utils.cmp(a,b) > 0 ? a : b; }
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function clamp(lo,hi,n) {
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return Utils.cmp(n,lo) < 0 ? lo : Utils.cmp(n,hi) > 0 ? hi : n; }
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function xor(a,b) { return a !== b; }
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function not(b) { return !b; }
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function truncate(n) { return n|0; }
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function curry(f,a,b) { return f(Utils.Tuple2(a,b)); }
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function uncurry(f,v) { return A2(f,v._0,v._1); }
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function fst(t) { return t._0; }
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function snd(t) { return t._1; }
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/*
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function readInt(str) {
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var s = JS.fromString(str);
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var len = s.length;
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if (len === 0) { return Maybe.Nothing; }
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var start = 0;
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if (s[0] == '-') {
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if (len === 1) { return Maybe.Nothing; }
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start = 1;
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}
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for (var i = start; i < len; ++i) {
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if (!Char.isDigit(s[i])) { return Maybe.Nothing; }
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}
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return Maybe.Just(parseInt(s, 10));
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}
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function readFloat(str) {
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var s = JS.fromString(str);
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var len = s.length;
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if (len === 0) { return Maybe.Nothing; }
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var start = 0;
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if (s[0] == '-') {
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if (len === 1) { return Maybe.Nothing; }
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start = 1;
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}
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var dotCount = 0;
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for (var i = start; i < len; ++i) {
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if (Char.isDigit(s[i])) { continue; }
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if (s[i] === '.') {
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dotCount += 1;
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if (dotCount <= 1) { continue; }
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}
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return Maybe.Nothing;
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}
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return Maybe.Just(parseFloat(s));
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}
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*/
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var basics = {
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div:F2(div),
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rem:F2(rem),
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mod:mod,
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pi:Math.PI,
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e:Math.e,
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cos:Math.cos,
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sin:Math.sin,
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tan:Math.tan,
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acos:Math.acos,
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asin:Math.asin,
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atan:Math.atan,
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atan2:F2(Math.atan2),
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sqrt:Math.sqrt,
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abs:abs,
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logBase:F2(logBase),
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min:F2(min),
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max:F2(max),
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clamp:F3(clamp),
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compare:Utils.compare,
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xor:F2(xor),
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not:not,
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truncate:truncate,
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ceiling:Math.ceil,
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floor:Math.floor,
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round:Math.round,
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toFloat:function(x) { return x; },
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//readInt:readInt,
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//readFloat:readFloat,
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curry:F3(curry),
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uncurry:F2(uncurry),
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fst:fst,
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snd:snd
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};
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return elm.Native.Basics = basics;
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};
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