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annotate core/src/luan/modules/MathLuan.java @ 221:ec016471c6eb

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make LuanTable an interface git-svn-id: https://luan-java.googlecode.com/svn/trunk@222 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 17 Jul 2014 07:49:26 +0000
parents 3dcb0f9bee82
children 0a8e6fdb62f0
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rev   line source
167
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diff changeset
1 package luan.modules;
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2
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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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10
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11 public final class MathLuan {
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12
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3c404a296995 make Package module more standard;
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13 public static final LuanFunction LOADER = new LuanFunction() {
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14 @Override public Object call(LuanState luan,Object[] args) {
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15 LuanTable module = Luan.newTable();
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16 try {
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17 add( module, "abs", Double.TYPE );
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18 add( module, "acos", Double.TYPE );
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19 add( module, "asin", Double.TYPE );
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20 add( module, "atan", Double.TYPE );
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21 add( module, "atan2", Double.TYPE, Double.TYPE );
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22 add( module, "ceil", Double.TYPE );
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23 add( module, "cos", Double.TYPE );
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24 add( module, "cosh", Double.TYPE );
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25 add( module, "deg", Double.TYPE );
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26 add( module, "exp", Double.TYPE );
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27 add( module, "floor", Double.TYPE );
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28 add( module, "log", Double.TYPE );
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29 add( module, "min", Double.TYPE, new double[0].getClass() );
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30 add( module, "max", Double.TYPE, new double[0].getClass() );
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31 add( module, "modf", Double.TYPE );
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32 module.put("pi",Math.PI);
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33 add( module, "pow", Double.TYPE, Double.TYPE );
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34 add( module, "rad", Double.TYPE );
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35 add( module, "random" );
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36 add( module, "sin", Double.TYPE );
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37 add( module, "sinh", Double.TYPE );
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38 add( module, "sqrt", Double.TYPE );
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39 add( module, "tan", Double.TYPE );
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40 add( module, "tanh", Double.TYPE );
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41 } catch(NoSuchMethodException e) {
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42 throw new RuntimeException(e);
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43 }
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44 return module;
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45 }
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46 };
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48 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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49 t.put( method, new LuanJavaFunction(MathLuan.class.getMethod(method,parameterTypes),null) );
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50 }
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52 public static double abs(double x) {
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53 return Math.abs(x);
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54 }
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56 public static double acos(double x) {
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57 return Math.acos(x);
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58 }
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60 public static double asin(double x) {
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61 return Math.asin(x);
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62 }
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64 public static double atan(double x) {
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65 return Math.atan(x);
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66 }
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68 public static double atan2(double y,double x) {
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69 return Math.atan2(y,x);
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70 }
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72 public static double ceil(double x) {
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73 return Math.ceil(x);
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74 }
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76 public static double cos(double x) {
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77 return Math.cos(x);
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78 }
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80 public static double cosh(double x) {
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81 return Math.cosh(x);
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82 }
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84 public static double deg(double x) {
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85 return Math.toDegrees(x);
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86 }
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88 public static double exp(double x) {
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89 return Math.exp(x);
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90 }
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91
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92 public static double floor(double x) {
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93 return Math.floor(x);
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94 }
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95
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96 public static double log(double x) {
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97 return Math.log(x);
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98 }
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100 public static double min(double x,double... a) {
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101 for( double d : a ) {
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102 if( x > d )
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103 x = d;
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104 }
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105 return x;
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106 }
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107
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108 public static double max(double x,double... a) {
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109 for( double d : a ) {
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110 if( x < d )
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111 x = d;
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112 }
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113 return x;
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114 }
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115
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116 public static double[] modf(double x) {
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117 double i = (int)x;
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118 return new double[]{i,x-i};
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119 }
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120
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121 public static double pow(double x,double y) {
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122 return Math.pow(x,y);
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123 }
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124
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125 public static double rad(double x) {
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126 return Math.toRadians(x);
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127 }
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128
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129 public static double random() {
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130 return Math.random();
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131 }
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132
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133 public static double sin(double x) {
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134 return Math.sin(x);
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135 }
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136
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137 public static double sinh(double x) {
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138 return Math.sinh(x);
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139 }
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140
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141 public static double sqrt(double x) {
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142 return Math.sqrt(x);
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143 }
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144
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145 public static double tan(double x) {
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146 return Math.tan(x);
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147 }
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148
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149 public static double tanh(double x) {
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150 return Math.tanh(x);
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151 }
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152
55
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153 }