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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/MathNodes.java @ 13514:0fbee3eb71f0

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Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
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13513:64a23ce736a0 13514:0fbee3eb71f0
1 /*
2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
4 * redistribute it and/or modify it under the terms of the:
5 *
6 * Eclipse Public License version 1.0
7 * GNU General Public License version 2
8 * GNU Lesser General Public License version 2.1
9 */
10 package com.oracle.truffle.ruby.nodes.core;
11
12 import java.math.*;
13
14 import com.oracle.truffle.api.*;
15 import com.oracle.truffle.api.dsl.*;
16 import com.oracle.truffle.ruby.runtime.*;
17
18 @CoreClass(name = "Math")
19 public abstract class MathNodes {
20
21 @CoreMethod(names = "sqrt", isModuleMethod = true, needsSelf = false, minArgs = 1, maxArgs = 1)
22 public abstract static class SqrtNode extends CoreMethodNode {
23
24 public SqrtNode(RubyContext context, SourceSection sourceSection) {
25 super(context, sourceSection);
26 }
27
28 public SqrtNode(SqrtNode prev) {
29 super(prev);
30 }
31
32 @Specialization
33 public double sqrt(int a) {
34 return Math.sqrt(a);
35 }
36
37 @Specialization
38 public double sqrt(BigInteger a) {
39 return Math.sqrt(a.doubleValue());
40 }
41
42 @Specialization
43 public double sqrt(double a) {
44 return Math.sqrt(a);
45 }
46
47 }
48
49 @CoreMethod(names = "exp", isModuleMethod = true, needsSelf = false, minArgs = 1, maxArgs = 1)
50 public abstract static class ExpNode extends CoreMethodNode {
51
52 public ExpNode(RubyContext context, SourceSection sourceSection) {
53 super(context, sourceSection);
54 }
55
56 public ExpNode(ExpNode prev) {
57 super(prev);
58 }
59
60 @Specialization
61 public double exp(int a) {
62 return Math.exp(a);
63 }
64
65 @Specialization
66 public double exp(BigInteger a) {
67 return Math.exp(a.doubleValue());
68 }
69
70 @Specialization
71 public double exp(double a) {
72 return Math.exp(a);
73 }
74
75 }
76
77 }