| /* |
| * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.internal.objects; |
| |
| import jdk.nashorn.internal.objects.annotations.Attribute; |
| import jdk.nashorn.internal.objects.annotations.Function; |
| import jdk.nashorn.internal.objects.annotations.Property; |
| import jdk.nashorn.internal.objects.annotations.ScriptClass; |
| import jdk.nashorn.internal.objects.annotations.SpecializedFunction; |
| import jdk.nashorn.internal.objects.annotations.Where; |
| import jdk.nashorn.internal.runtime.JSType; |
| import jdk.nashorn.internal.runtime.PropertyMap; |
| import jdk.nashorn.internal.runtime.ScriptObject; |
| |
| /** |
| * ECMA 15.8 The Math Object |
| * |
| */ |
| @ScriptClass("Math") |
| public final class NativeMath extends ScriptObject { |
| |
| // initialized by nasgen |
| @SuppressWarnings("unused") |
| private static PropertyMap $nasgenmap$; |
| |
| private NativeMath() { |
| // don't create me! |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** ECMA 15.8.1.1 - E, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double E = Math.E; |
| |
| /** ECMA 15.8.1.2 - LN10, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double LN10 = 2.302585092994046; |
| |
| /** ECMA 15.8.1.3 - LN2, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double LN2 = 0.6931471805599453; |
| |
| /** ECMA 15.8.1.4 - LOG2E, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double LOG2E = 1.4426950408889634; |
| |
| /** ECMA 15.8.1.5 - LOG10E, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double LOG10E = 0.4342944819032518; |
| |
| /** ECMA 15.8.1.6 - PI, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double PI = Math.PI; |
| |
| /** ECMA 15.8.1.7 - SQRT1_2, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double SQRT1_2 = 0.7071067811865476; |
| |
| /** ECMA 15.8.1.8 - SQRT2, always a double constant. Not writable or configurable */ |
| @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) |
| public static final double SQRT2 = 1.4142135623730951; |
| |
| /** |
| * ECMA 15.8.2.1 abs(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return abs of value |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double abs(final Object self, final Object x) { |
| return Math.abs(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.1 abs(x) - specialization for int values |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return abs of argument |
| */ |
| @SpecializedFunction |
| public static int abs(final Object self, final int x) { |
| return Math.abs(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.1 abs(x) - specialization for long values |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return abs of argument |
| */ |
| @SpecializedFunction |
| public static long abs(final Object self, final long x) { |
| return Math.abs(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.1 abs(x) - specialization for double values |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return abs of argument |
| */ |
| @SpecializedFunction |
| public static double abs(final Object self, final double x) { |
| return Math.abs(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.2 acos(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return acos of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double acos(final Object self, final Object x) { |
| return Math.acos(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.2 acos(x) - specialization for double values |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return acos of argument |
| */ |
| @SpecializedFunction |
| public static double acos(final Object self, final double x) { |
| return Math.acos(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.3 asin(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return asin of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double asin(final Object self, final Object x) { |
| return Math.asin(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.3 asin(x) - specialization for double values |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return asin of argument |
| */ |
| @SpecializedFunction |
| public static double asin(final Object self, final double x) { |
| return Math.asin(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.4 atan(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return atan of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double atan(final Object self, final Object x) { |
| return Math.atan(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.4 atan(x) - specialization for double values |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return atan of argument |
| */ |
| @SpecializedFunction |
| public static double atan(final Object self, final double x) { |
| return Math.atan(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.5 atan2(x,y) |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return atan2 of x and y |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double atan2(final Object self, final Object y, final Object x) { |
| return Math.atan2(JSType.toNumber(y), JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.5 atan2(x,y) - specialization for double values |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return atan2 of x and y |
| */ |
| @SpecializedFunction |
| public static double atan2(final Object self, final double y, final double x) { |
| return Math.atan2(y,x); |
| } |
| |
| /** |
| * ECMA 15.8.2.6 ceil(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return ceil of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double ceil(final Object self, final Object x) { |
| return Math.ceil(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.6 ceil(x) - specialized version for ints |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return ceil of argument |
| */ |
| @SpecializedFunction |
| public static int ceil(final Object self, final int x) { |
| return x; |
| } |
| |
| /** |
| * ECMA 15.8.2.6 ceil(x) - specialized version for longs |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return ceil of argument |
| */ |
| @SpecializedFunction |
| public static long ceil(final Object self, final long x) { |
| return x; |
| } |
| |
| /** |
| * ECMA 15.8.2.6 ceil(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return ceil of argument |
| */ |
| @SpecializedFunction |
| public static double ceil(final Object self, final double x) { |
| return Math.ceil(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.7 cos(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return cos of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double cos(final Object self, final Object x) { |
| return Math.cos(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.7 cos(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return cos of argument |
| */ |
| @SpecializedFunction |
| public static double cos(final Object self, final double x) { |
| return Math.cos(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.8 exp(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return exp of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double exp(final Object self, final Object x) { |
| return Math.exp(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.9 floor(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return floor of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double floor(final Object self, final Object x) { |
| return Math.floor(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.9 floor(x) - specialized version for ints |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return floor of argument |
| */ |
| @SpecializedFunction |
| public static int floor(final Object self, final int x) { |
| return x; |
| } |
| |
| /** |
| * ECMA 15.8.2.9 floor(x) - specialized version for longs |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return floor of argument |
| */ |
| @SpecializedFunction |
| public static long floor(final Object self, final long x) { |
| return x; |
| } |
| |
| /** |
| * ECMA 15.8.2.9 floor(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return floor of argument |
| */ |
| @SpecializedFunction |
| public static double floor(final Object self, final double x) { |
| return Math.floor(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.10 log(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return log of argument |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double log(final Object self, final Object x) { |
| return Math.log(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.10 log(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return log of argument |
| */ |
| @SpecializedFunction |
| public static double log(final Object self, final double x) { |
| return Math.log(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.11 max(x) |
| * |
| * @param self self reference |
| * @param args arguments |
| * |
| * @return the largest of the arguments, {@link Double#NEGATIVE_INFINITY} if no args given, or identity if one arg is given |
| */ |
| @Function(arity = 2, attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double max(final Object self, final Object... args) { |
| switch (args.length) { |
| case 0: |
| return Double.NEGATIVE_INFINITY; |
| case 1: |
| return JSType.toNumber(args[0]); |
| default: |
| double res = JSType.toNumber(args[0]); |
| for (int i = 1; i < args.length; i++) { |
| res = Math.max(res, JSType.toNumber(args[i])); |
| } |
| return res; |
| } |
| } |
| |
| /** |
| * ECMA 15.8.2.11 max(x) - specialized no args version |
| * |
| * @param self self reference |
| * |
| * @return {@link Double#NEGATIVE_INFINITY} |
| */ |
| @SpecializedFunction |
| public static double max(final Object self) { |
| return Double.NEGATIVE_INFINITY; |
| } |
| |
| /** |
| * ECMA 15.8.2.11 max(x) - specialized version for ints |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return largest value of x and y |
| */ |
| @SpecializedFunction |
| public static int max(final Object self, final int x, final int y) { |
| return Math.max(x, y); |
| } |
| |
| /** |
| * ECMA 15.8.2.11 max(x) - specialized version for longs |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return largest value of x and y |
| */ |
| @SpecializedFunction |
| public static long max(final Object self, final long x, final long y) { |
| return Math.max(x, y); |
| } |
| |
| /** |
| * ECMA 15.8.2.11 max(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return largest value of x and y |
| */ |
| @SpecializedFunction |
| public static double max(final Object self, final double x, final double y) { |
| return Math.max(x, y); |
| } |
| |
| /** |
| * ECMA 15.8.2.11 max(x) - specialized version for two Object args |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return largest value of x and y |
| */ |
| @SpecializedFunction |
| public static double max(final Object self, final Object x, final Object y) { |
| return Math.max(JSType.toNumber(x), JSType.toNumber(y)); |
| } |
| |
| /** |
| * ECMA 15.8.2.12 min(x) |
| * |
| * @param self self reference |
| * @param args arguments |
| * |
| * @return the smallest of the arguments, {@link Double#NEGATIVE_INFINITY} if no args given, or identity if one arg is given |
| */ |
| @Function(arity = 2, attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double min(final Object self, final Object... args) { |
| switch (args.length) { |
| case 0: |
| return Double.POSITIVE_INFINITY; |
| case 1: |
| return JSType.toNumber(args[0]); |
| default: |
| double res = JSType.toNumber(args[0]); |
| for (int i = 1; i < args.length; i++) { |
| res = Math.min(res, JSType.toNumber(args[i])); |
| } |
| return res; |
| } |
| } |
| |
| /** |
| * ECMA 15.8.2.11 min(x) - specialized no args version |
| * |
| * @param self self reference |
| * |
| * @return {@link Double#POSITIVE_INFINITY} |
| */ |
| @SpecializedFunction |
| public static double min(final Object self) { |
| return Double.POSITIVE_INFINITY; |
| } |
| |
| /** |
| * ECMA 15.8.2.12 min(x) - specialized version for ints |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return smallest value of x and y |
| */ |
| @SpecializedFunction |
| public static int min(final Object self, final int x, final int y) { |
| return Math.min(x, y); |
| } |
| |
| /** |
| * ECMA 15.8.2.12 min(x) - specialized version for longs |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return smallest value of x and y |
| */ |
| @SpecializedFunction |
| public static long min(final Object self, final long x, final long y) { |
| return Math.min(x, y); |
| } |
| |
| /** |
| * ECMA 15.8.2.12 min(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return smallest value of x and y |
| */ |
| @SpecializedFunction |
| public static double min(final Object self, final double x, final double y) { |
| return Math.min(x, y); |
| } |
| |
| /** |
| * ECMA 15.8.2.12 min(x) - specialized version for two Object args |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return smallest value of x and y |
| */ |
| @SpecializedFunction |
| public static double min(final Object self, final Object x, final Object y) { |
| return Math.min(JSType.toNumber(x), JSType.toNumber(y)); |
| } |
| |
| /** |
| * ECMA 15.8.2.13 pow(x,y) |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return x raised to the power of y |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double pow(final Object self, final Object x, final Object y) { |
| return Math.pow(JSType.toNumber(x), JSType.toNumber(y)); |
| } |
| |
| /** |
| * ECMA 15.8.2.13 pow(x,y) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x first argument |
| * @param y second argument |
| * |
| * @return x raised to the power of y |
| */ |
| @SpecializedFunction |
| public static double pow(final Object self, final double x, final double y) { |
| return Math.pow(x, y); |
| } |
| |
| /** |
| * ECMA 15.8.2.14 random() |
| * |
| * @param self self reference |
| * |
| * @return random number in the range [0..1) |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double random(final Object self) { |
| return Math.random(); |
| } |
| |
| /** |
| * ECMA 15.8.2.15 round(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return x rounded |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double round(final Object self, final Object x) { |
| final double d = JSType.toNumber(x); |
| if (Math.getExponent(d) >= 52) { |
| return d; |
| } |
| return Math.copySign(Math.floor(d + 0.5), d); |
| } |
| |
| /** |
| * ECMA 15.8.2.16 sin(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return sin of x |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double sin(final Object self, final Object x) { |
| return Math.sin(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.16 sin(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return sin of x |
| */ |
| @SpecializedFunction |
| public static double sin(final Object self, final double x) { |
| return Math.sin(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.17 sqrt(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return sqrt of x |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double sqrt(final Object self, final Object x) { |
| return Math.sqrt(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.17 sqrt(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return sqrt of x |
| */ |
| @SpecializedFunction |
| public static double sqrt(final Object self, final double x) { |
| return Math.sqrt(x); |
| } |
| |
| /** |
| * ECMA 15.8.2.18 tan(x) |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return tan of x |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where=Where.CONSTRUCTOR) |
| public static double tan(final Object self, final Object x) { |
| return Math.tan(JSType.toNumber(x)); |
| } |
| |
| /** |
| * ECMA 15.8.2.18 tan(x) - specialized version for doubles |
| * |
| * @param self self reference |
| * @param x argument |
| * |
| * @return tan of x |
| */ |
| @SpecializedFunction |
| public static double tan(final Object self, final double x) { |
| return Math.tan(x); |
| } |
| } |
