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