annotate base/src/java/math/BigInteger.d @ 99:5d5bd660917f

build some databind snippets
author Frank Benoit <benoit@tionex.de>
date Wed, 22 Apr 2009 18:59:26 +0200
parents 48d4ee626868
children 9f4c18c268b2
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1 module java.math.BigInteger;
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2
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3 import java.lang.all;
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4 import java.util.Random;
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5 version(Tango){
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6 import tango.math.BigInt;
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7 } else { // Phobos
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8 }
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9
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10 class BigInteger : Number {
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11
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12 static const BigInteger ZERO;
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13 static const BigInteger ONE;
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14
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15 private BigInt bi;
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16
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17 static this(){
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18 ZERO = BigInteger.valueOf(0);
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19 ONE = BigInteger.valueOf(1);
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20 }
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21
82
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22 this(byte[] val){
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23 implMissing(__FILE__, __LINE__ );
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24 }
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25 this(int signum, byte[] magnitude){
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26 implMissing(__FILE__, __LINE__ );
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27 }
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28 this(int bitLength, int certainty, Random rnd){
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29 implMissing(__FILE__, __LINE__ );
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30 }
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31 this(int numBits, Random rnd){
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32 implMissing(__FILE__, __LINE__ );
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33 }
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34 this(String val){
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35 bi = BigInt( val );
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36 }
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37 this(String val, int radix){
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38 getDwtLogger.error( __FILE__, __LINE__, "this({}, {})", val, radix );
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39 if( radix is 10 ){
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40 bi = BigInt( val );
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41 }
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42 else if( radix is 16 ){
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43 bi = BigInt( "0x" ~ val );
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44 }
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45 else {
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46 implMissing(__FILE__, __LINE__ );
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47 }
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48 }
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49 private this( BigInt v ){
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50 getDwtLogger.error( __FILE__, __LINE__, "this({})", v.toHex );
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51 bi = v;
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52 }
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53 private this( BigInteger v ){
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54 getDwtLogger.error( __FILE__, __LINE__, "this({})", bi.toHex );
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55 bi = v.bi;
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56 }
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57 private this( long v ){
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58 getDwtLogger.error( __FILE__, __LINE__, "this({})", v );
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59 bi = BigInt(v);
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60 }
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61 BigInteger abs(){
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62 implMissing(__FILE__, __LINE__ );
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63 return null;
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64 }
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65 BigInteger add(BigInteger val){
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66 implMissing(__FILE__, __LINE__ );
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67 return null;
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68 }
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69 BigInteger and(BigInteger val){
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70 implMissing(__FILE__, __LINE__ );
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71 return null;
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72 }
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73 BigInteger andNot(BigInteger val){
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74 implMissing(__FILE__, __LINE__ );
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75 return null;
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76 }
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77 int bitCount(){
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78 implMissing(__FILE__, __LINE__ );
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79 return 0;
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80 }
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81 int bitLength(){
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82 getDwtLogger.error( __FILE__, __LINE__, "bitLength()" );
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83 //implMissing(__FILE__, __LINE__ );
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84 return 0;
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85 }
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86 BigInteger clearBit(int n){
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87 implMissing(__FILE__, __LINE__ );
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88 return null;
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89 }
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90 int compareTo(BigInteger val){
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91 implMissing(__FILE__, __LINE__ );
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92 return 0;
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93 }
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94 int compareTo(Object o){
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95 implMissing(__FILE__, __LINE__ );
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96 return 0;
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97 }
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98 BigInteger divide(BigInteger val){
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99 implMissing(__FILE__, __LINE__ );
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100 return null;
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101 }
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102 BigInteger[] divideAndRemainder(BigInteger val){
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103 implMissing(__FILE__, __LINE__ );
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104 return null;
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105 }
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106 double doubleValue(){
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107 implMissing(__FILE__, __LINE__ );
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108 return 0;
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109 }
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110 bool equals(Object x){
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111 implMissing(__FILE__, __LINE__ );
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112 return 0;
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113 }
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114 BigInteger flipBit(int n){
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115 implMissing(__FILE__, __LINE__ );
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116 return null;
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117 }
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118 float floatValue(){
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119 implMissing(__FILE__, __LINE__ );
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120 return 0;
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121 }
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122 BigInteger gcd(BigInteger val){
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123 implMissing(__FILE__, __LINE__ );
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124 return null;
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125 }
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126 int getLowestSetBit(){
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127 implMissing(__FILE__, __LINE__ );
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128 return 0;
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129 }
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130 int hashCode(){
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131 implMissing(__FILE__, __LINE__ );
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132 return 0;
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133 }
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134 int intValue(){
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135 implMissing(__FILE__, __LINE__ );
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136 return 0;
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137 }
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138 bool isProbablePrime(int certainty){
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139 implMissing(__FILE__, __LINE__ );
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140 return 0;
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141 }
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142 long longValue(){
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143 getDwtLogger.error( __FILE__, __LINE__, "{}", bi.toHex );
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144 long res = 0;
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145 auto txt = bi.toHex;
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146 bool sign = false;
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147 if( txt[0] is '-' ){
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148 sign = true;
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149 txt = txt[1 .. $];
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150 }
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151 int nibbles = 0;
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152 foreach( uint idx, char c; txt ){
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153 if( c is '_' ) continue;
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154 void addNibble( int v ){
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155 res <<= 4;
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156 res |= v;
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157 nibbles++;
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158 }
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159 if( c >= '0' && c <= '9' ) {
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160 addNibble( c - '0' );
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161 }
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162 else if( c >= 'a' && c <= 'f' ) {
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163 addNibble( c - 'a' + 10 );
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164 }
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165 else if( c >= 'A' && c <= 'F' ) {
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166 addNibble( c - 'A' + 10 );
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167 }
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168 else{
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169 getDwtLogger.error( __FILE__, __LINE__, "unknown char {} @{}", c, idx );
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170 }
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171 }
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172 if( nibbles > 16 ){
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173 getDwtLogger.error( __FILE__, __LINE__, "too much nibbles {}", nibbles );
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174 }
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175 return res;
82
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176 }
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177 BigInteger max(BigInteger val){
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178 implMissing(__FILE__, __LINE__ );
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179 return null;
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180 }
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181 BigInteger min(BigInteger val){
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182 implMissing(__FILE__, __LINE__ );
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183 return null;
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184 }
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185 BigInteger mod(BigInteger m){
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186 implMissing(__FILE__, __LINE__ );
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187 return null;
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188 }
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189 BigInteger modInverse(BigInteger m){
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190 implMissing(__FILE__, __LINE__ );
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191 return null;
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192 }
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193 BigInteger modPow(BigInteger exponent, BigInteger m){
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194 implMissing(__FILE__, __LINE__ );
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195 return null;
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196 }
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197 BigInteger multiply(BigInteger val){
99
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198 getDwtLogger.error( __FILE__, __LINE__, "multiply ({})", val.bi.toHex );
98
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199 auto res = new BigInteger(this);
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200 res.bi *= val.bi;
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201 return res;
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202 }
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203 BigInteger negate(){
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204 implMissing(__FILE__, __LINE__ );
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205 return null;
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206 }
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207 BigInteger not(){
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208 implMissing(__FILE__, __LINE__ );
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209 return null;
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210 }
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211 BigInteger or(BigInteger val){
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212 implMissing(__FILE__, __LINE__ );
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213 return null;
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214 }
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215 BigInteger pow(int exponent){
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216 if( exponent < 0 ){
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217 throw new ArithmeticException("Negative exponent");
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218 }
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219 if( bi.isZero() ){
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220 return exponent is 0 ? ONE : this;
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221 }
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222 auto a = bi;
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223 while(exponent>0){
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224 a *= bi;
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225 exponent--;
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226 }
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227 return new BigInteger(a);
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228 }
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229 static BigInteger probablePrime(int bitLength, Random rnd){
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230 implMissing(__FILE__, __LINE__ );
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231 return null;
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232 }
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233 BigInteger remainder(BigInteger val){
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234 implMissing(__FILE__, __LINE__ );
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235 return null;
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236 }
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237 BigInteger setBit(int n){
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238 implMissing(__FILE__, __LINE__ );
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239 return null;
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240 }
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241 BigInteger shiftLeft(int n){
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242 implMissing(__FILE__, __LINE__ );
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243 return null;
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244 }
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245 BigInteger shiftRight(int n){
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246 implMissing(__FILE__, __LINE__ );
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247 return null;
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248 }
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249 int signum(){
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250 if( bi.isZero() ) return 0;
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251 if( bi.isNegative() ) return -1;
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252 return 1;
82
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253 }
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254 BigInteger subtract(BigInteger val){
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255 implMissing(__FILE__, __LINE__ );
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256 return null;
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257 }
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258 bool testBit(int n){
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259 implMissing(__FILE__, __LINE__ );
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260 return 0;
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261 }
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262 byte[] toByteArray(){
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263 implMissing(__FILE__, __LINE__ );
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264 return null;
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265 }
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266 String toString(){
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267 implMissing(__FILE__, __LINE__ );
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268 return null;
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269 }
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270 String toString(int radix){
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271 implMissing(__FILE__, __LINE__ );
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272 return null;
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273 }
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274 static BigInteger valueOf(long val){
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275 auto res = new BigInteger(val);
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276 return res;
82
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277 }
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278 BigInteger xor(BigInteger val){
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279 implMissing(__FILE__, __LINE__ );
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280 return null;
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281 }
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282
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283 }