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annotate core/src/luan/modules/MathLuan.java @ 341:410e59ebad7d

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add more Math functions
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 03 Apr 2015 06:17:11 -0600
parents 899253043270
children fda38db30e65
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rev   line source
167
4c0131c2b650 merge luan/lib into modules
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diff changeset
1 package luan.modules;
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ec016471c6eb make LuanTable an interface
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3 import luan.Luan;
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4 import luan.LuanState;
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5 import luan.LuanTable;
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6 import luan.LuanFunction;
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7 import luan.LuanJavaFunction;
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8 import luan.LuanException;
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11 public final class MathLuan {
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13 public static double abs(double x) {
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14 return Math.abs(x);
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15 }
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17 public static double acos(double x) {
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18 return Math.acos(x);
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19 }
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21 public static double asin(double x) {
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22 return Math.asin(x);
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23 }
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25 public static double atan(double x) {
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26 return Math.atan(x);
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27 }
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29 public static double atan2(double y,double x) {
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30 return Math.atan2(y,x);
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31 }
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33 public static double ceil(double x) {
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34 return Math.ceil(x);
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35 }
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37 public static double cos(double x) {
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38 return Math.cos(x);
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39 }
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41 public static double cosh(double x) {
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42 return Math.cosh(x);
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43 }
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45 public static double deg(double x) {
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46 return Math.toDegrees(x);
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47 }
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49 public static double exp(double x) {
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50 return Math.exp(x);
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51 }
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53 public static double floor(double x) {
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54 return Math.floor(x);
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55 }
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57 public static double log(double x) {
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58 return Math.log(x);
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59 }
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61 public static double min(double x,double... a) {
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62 for( double d : a ) {
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63 if( x > d )
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64 x = d;
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65 }
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66 return x;
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67 }
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69 public static double max(double x,double... a) {
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70 for( double d : a ) {
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71 if( x < d )
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72 x = d;
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73 }
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74 return x;
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77 public static double[] modf(double x) {
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78 double i = (int)x;
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79 return new double[]{i,x-i};
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80 }
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82 public static double pow(double x,double y) {
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83 return Math.pow(x,y);
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84 }
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86 public static double rad(double x) {
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87 return Math.toRadians(x);
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88 }
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89
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90 public static double random(Integer m,Integer n) {
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91 if( m==null )
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92 return Math.random();
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93 if( n==null )
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94 return Math.floor(m*Math.random()) + 1;
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95 return Math.floor((n-m+1)*Math.random()) + m;
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96 }
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98 public static double sin(double x) {
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99 return Math.sin(x);
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100 }
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101
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102 public static double sinh(double x) {
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103 return Math.sinh(x);
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104 }
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106 public static double sqrt(double x) {
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107 return Math.sqrt(x);
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110 public static double tan(double x) {
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111 return Math.tan(x);
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112 }
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114 public static double tanh(double x) {
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115 return Math.tanh(x);
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116 }
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117
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118 public static String to_string(long i,Integer radix) {
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119 return radix==null ? Long.toString(i) : Long.toString(i,radix);
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120 }
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121
55
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122 }