dgrove@google.com
977977e6ea
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9 260f80e4-7a28-3924-810f-c04153c831b5
57 lines
2.1 KiB
JavaScript
57 lines
2.1 KiB
JavaScript
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Native methods for Math.
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var native_Math_ceil = Math.ceil;
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var native_Math_floor = Math.floor;
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var native_Math_max = Math.max;
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var native_Math_min = Math.min;
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var native_Math_round = Math.round;
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// A valid integer-string is composed of:
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// optional whitespace: \s*
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// an optional sign: [+-]?
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// either digits (at least one): \d+
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// or a hex-literal: 0[xX][0-9abcdefABCDEF]+
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// optional whitespace: \s*
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var math$INT_REGEXP =
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/^\s*[+-]?(:?\d+|0[xX][0-9abcdefABCDEF]+)\s*$/;
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// A valid double-string is composed of:
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// optional whitespace: \s*
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// an optional sign: [+-]?
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// either:
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// digits* . digits+ exponent?
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// digits+ exponent
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// Infinity
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// NaN
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// optional whitespace: \s*
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var math$DOUBLE_REGEXP =
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/^\s*[+-]?((\d*\.\d+([eE][+-]?\d+)?)|(\d+([eE][+-]?\d+))|Infinity|NaN)\s*$/;
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function native_MathNatives_parseDouble(str) {
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if (math$INT_REGEXP.test(str) || math$DOUBLE_REGEXP.test(str)) return +str;
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throw native_MathNatives__newBadNumberFormat(str);
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}
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function native_MathNatives_parseInt(str) {
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if (math$INT_REGEXP.test(str)) return +str;
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throw native_MathNatives__newBadNumberFormat(str);
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}
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function native_MathNatives_random() { return Math.random(); }
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function native_MathNatives_sin(x) { return Math.sin(x); }
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function native_MathNatives_cos(x) { return Math.cos(x); }
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function native_MathNatives_tan(x) { return Math.tan(x); }
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function native_MathNatives_asin(x) { return Math.asin(x); }
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function native_MathNatives_acos(x) { return Math.acos(x); }
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function native_MathNatives_atan(x) { return Math.atan(x); }
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function native_MathNatives_atan2(x, y) { return Math.atan2(x, y); }
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function native_MathNatives_sqrt(x) { return Math.sqrt(x); }
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function native_MathNatives_exp(x) { return Math.exp(x); }
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function native_MathNatives_log(x) { return Math.log(x); }
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function native_MathNatives_pow(x, y) { return Math.pow(x, y); }
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