Index: corelib/src/math.dart |
diff --git a/corelib/src/math.dart b/corelib/src/math.dart |
deleted file mode 100644 |
index 91fbf553f882dc5d1c202c2746d08a29150f2f5e..0000000000000000000000000000000000000000 |
--- a/corelib/src/math.dart |
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-// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
-// for details. All rights reserved. Use of this source code is governed by a |
-// BSD-style license that can be found in the LICENSE file. |
- |
-// Dart core library. |
- |
-/** |
- * *Note:* This class is **deprecated**, and will be removed soon. |
- * Please use the [dart:math] library instead. |
- */ |
-class Math { |
- /** |
- * Base of the natural logarithms. |
- */ |
- static final double E = 2.718281828459045; |
- |
- /** |
- * Natural logarithm of 10. |
- */ |
- static final double LN10 = 2.302585092994046; |
- |
- /** |
- * Natural logarithm of 2. |
- */ |
- static final double LN2 = 0.6931471805599453; |
- |
- /** |
- * Base-2 logarithm of E. |
- */ |
- static final double LOG2E = 1.4426950408889634; |
- |
- /** |
- * Base-10 logarithm of E. |
- */ |
- static final double LOG10E = 0.4342944819032518; |
- |
- /** |
- * The PI constant. |
- */ |
- static final double PI = 3.1415926535897932; |
- |
- /** |
- * Square root of 1/2. |
- */ |
- static final double SQRT1_2 = 0.7071067811865476; |
- |
- /** |
- * Square root of 2. |
- */ |
- static final double SQRT2 = 1.4142135623730951; |
- |
- /** |
- * Parses a [String] representation of an [int], and returns an [int]. Throws |
- * a [FormatException] if [str] cannot be parsed as an [int]. |
- */ |
- static int parseInt(String str) => MathNatives.parseInt(str); |
- |
- /** |
- * Parses a [String] representation of a [double], and returns a [double]. |
- * Throws a [FormatException] if [str] cannot be parsed as a [double]. |
- */ |
- static double parseDouble(String str) => MathNatives.parseDouble(str); |
- |
- /** |
- * Returns the minimum of two numbers. If either argument is NaN returns NaN. |
- * The minimum of [:-0.0:] and [:0.0:] is [:-0.0:]. If both arguments are |
- * equal (int and doubles with the same mathematical value are equal) then |
- * it is unspecified which of the two arguments is returned. |
- */ |
- static num min(num a, num b) { |
- if (a is num) { |
- // TODO(floitsch): merge this if into the previous one, once dart2js |
- // correctly propagates types for logical ands. |
- if (b is num) { |
- if (a > b) return b; |
- if (a < b) return a; |
- if (b is double) { |
- // Special case for NaN and -0.0. If one argument is NaN return NaN. |
- // [min] must also distinguish between -0.0 and 0.0. |
- if (a is double) { |
- if (a == 0.0) { |
- // a is either 0.0 or -0.0. b is either 0.0, -0.0 or NaN. |
- // The following returns -0.0 if either a or b is -0.0, and it |
- // returns NaN if b is NaN. |
- return (a + b) * a * b; |
- } |
- } |
- // Check for NaN and b == -0.0. |
- if (a == 0 && b.isNegative() || b.isNaN()) return b; |
- return a; |
- } |
- return a; |
- } |
- throw new IllegalArgumentException(b); |
- } |
- throw new IllegalArgumentException(a); |
- } |
- |
- /** |
- * Returns the maximum of two numbers. If either argument is NaN returns NaN. |
- * The maximum of [:-0.0:] and [:0.0:] is [:0.0:]. If both arguments are |
- * equal (int and doubles with the same mathematical value are equal) then |
- * it is unspecified which of the two arguments is returned. |
- */ |
- static num max(num a, num b) { |
- if (a is num) { |
- // TODO(floitsch): merge this if into the previous one, once dart2js |
- // correctly propagates types for logical ands. |
- if (b is num) { |
- if (a > b) return a; |
- if (a < b) return b; |
- if (b is double) { |
- // Special case for NaN and -0.0. If one argument is NaN return NaN. |
- // [max] must also distinguish between -0.0 and 0.0. |
- if (a is double) { |
- if (a == 0.0) { |
- // a is either 0.0 or -0.0. b is either 0.0, -0.0, or NaN. |
- // The following returns 0.0 if either a or b is 0.0, and it |
- // returns NaN if b is NaN. |
- return a + b; |
- } |
- } |
- // Check for NaN. |
- if (b.isNaN()) return b; |
- return a; |
- } |
- // max(-0.0, 0) must return 0. |
- if (b == 0 && a.isNegative()) return b; |
- return a; |
- } |
- throw new IllegalArgumentException(b); |
- } |
- throw new IllegalArgumentException(a); |
- } |
- |
- /** |
- * Returns the arc tangent of [a]/[b] with sign according to quadrant. |
- */ |
- static double atan2(num a, num b) => MathNatives.atan2(a, b); |
- |
- /** |
- * If the [exponent] is an integer the result is of the same type as [x]. |
- * Otherwise it is a [double]. |
- */ |
- static num pow(num x, num exponent) => MathNatives.pow(x, exponent); |
- |
- /** |
- * Returns a random double greater than or equal to 0.0 and less |
- * than 1.0. |
- */ |
- static double random() => MathNatives.random(); |
- |
- static double sin(num x) => MathNatives.sin(x); |
- static double cos(num x) => MathNatives.cos(x); |
- static double tan(num x) => MathNatives.tan(x); |
- static double acos(num x) => MathNatives.acos(x); |
- static double asin(num x) => MathNatives.asin(x); |
- static double atan(num x) => MathNatives.atan(x); |
- static double sqrt(num x) => MathNatives.sqrt(x); |
- static double exp(num x) => MathNatives.exp(x); |
- static double log(num x) => MathNatives.log(x); |
-} |