1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17public class Main { 18 19 public static void main(String[] args) { 20 remFloat(); 21 remDouble(); 22 } 23 24 private static void remFloat() { 25 expectApproxEquals(1.98F, $opt$Rem(1.98F, 2F)); 26 expectApproxEquals(0F, $opt$Rem(2F, 0.5F)); 27 expectApproxEquals(0.09999F, $opt$Rem(1.0F, 0.1F)); 28 expectApproxEquals(1.9F, $opt$Rem(6.5F, 2.3F)); 29 expectApproxEquals(0.48F, $opt$Rem(1.98F, 1.5F)); 30 expectApproxEquals(0.9999F, $opt$Rem(0.9999F, 1.222F)); 31 expectApproxEquals(0.9999F, $opt$Rem(0.9999F, 1.0001F)); 32 expectApproxEquals(-1.98F, $opt$Rem(-1.98F, 2F)); 33 expectApproxEquals(-0F, $opt$Rem(-2F, 0.5F)); 34 expectApproxEquals(-0.09999F, $opt$Rem(-1.0F, 0.1F)); 35 expectApproxEquals(-1.9F, $opt$Rem(-6.5F, 2.3F)); 36 expectApproxEquals(-0.48F, $opt$Rem(-1.98F, 1.5F)); 37 expectApproxEquals(-0.9999F, $opt$Rem(-0.9999F, 1.222F)); 38 expectApproxEquals(-0.9999F, $opt$Rem(-0.9999F, 1.0001F)); 39 expectApproxEquals(1.98F, $opt$Rem(1.98F, -2F)); 40 expectApproxEquals(0F, $opt$Rem(2F, -0.5F)); 41 expectApproxEquals(0.09999F, $opt$Rem(1.0F, -0.1F)); 42 expectApproxEquals(1.9F, $opt$Rem(6.5F, -2.3F)); 43 expectApproxEquals(0.48F, $opt$Rem(1.98F, -1.5F)); 44 expectApproxEquals(0.9999F, $opt$Rem(0.9999F, -1.222F)); 45 expectApproxEquals(0.9999F, $opt$Rem(0.9999F, -1.0001F)); 46 expectApproxEquals(-1.98F, $opt$Rem(-1.98F, -2F)); 47 expectApproxEquals(-0F, $opt$Rem(-2F, -0.5F)); 48 expectApproxEquals(-0.09999F, $opt$Rem(-1.0F, -0.1F)); 49 expectApproxEquals(-1.9F, $opt$Rem(-6.5F, -2.3F)); 50 expectApproxEquals(-0.48F, $opt$Rem(-1.98F, -1.5F)); 51 expectApproxEquals(-0.9999F, $opt$Rem(-0.9999F, -1.222F)); 52 expectApproxEquals(-0.9999F, $opt$Rem(-0.9999F, -1.0001F)); 53 54 expectApproxEquals(1.68267e-18F, $opt$Rem(61615.2F, -2.48699e-17F)); 55 expectApproxEquals(-8.63819e-09F, $opt$Rem(-1.73479e+14F, 3.11154e-08F)); 56 expectApproxEquals(1.10911e-12F, $opt$Rem(338122F, 4.57572e-12F)); 57 58 expectApproxEquals(2F, $opt$RemConst(6F)); 59 expectApproxEquals(2F, $opt$Rem(5.1F, 3.1F)); 60 expectApproxEquals(2.1F, $opt$Rem(5.1F, 3F)); 61 expectApproxEquals(-2F, $opt$Rem(-5.1F, 3.1F)); 62 expectApproxEquals(-2.1F, $opt$Rem(-5.1F, -3F)); 63 expectApproxEquals(2F, $opt$Rem(6F, 4F)); 64 expectApproxEquals(2F, $opt$Rem(6F, -4F)); 65 expectApproxEquals(0F, $opt$Rem(6F, 3F)); 66 expectApproxEquals(0F, $opt$Rem(6F, -3F)); 67 expectApproxEquals(0F, $opt$Rem(6F, 1F)); 68 expectApproxEquals(0F, $opt$Rem(6F, -1F)); 69 expectApproxEquals(-1F, $opt$Rem(-7F, 3F)); 70 expectApproxEquals(-1F, $opt$Rem(-7F, -3F)); 71 expectApproxEquals(0F, $opt$Rem(6F, 6F)); 72 expectApproxEquals(0F, $opt$Rem(-6F, -6F)); 73 expectApproxEquals(7F, $opt$Rem(7F, 9F)); 74 expectApproxEquals(7F, $opt$Rem(7F, -9F)); 75 expectApproxEquals(-7F, $opt$Rem(-7F, 9F)); 76 expectApproxEquals(-7F, $opt$Rem(-7F, -9F)); 77 expectApproxEquals(0F, $opt$Rem(Float.MAX_VALUE, 1F)); 78 expectApproxEquals(0F, $opt$Rem(Float.MAX_VALUE, -1F)); 79 expectApproxEquals(0F, $opt$Rem(Float.MIN_VALUE, 1F)); 80 expectApproxEquals(0F, $opt$Rem(Float.MIN_VALUE, -1F)); 81 expectApproxEquals(0F, $opt$Rem(0F, 7F)); 82 expectApproxEquals(0F, $opt$Rem(0F, Float.MAX_VALUE)); 83 expectApproxEquals(0F, $opt$Rem(0F, Float.MIN_VALUE)); 84 expectApproxEquals(0F, $opt$Rem(0F, Float.POSITIVE_INFINITY)); 85 expectApproxEquals(0F, $opt$Rem(0F, Float.NEGATIVE_INFINITY)); 86 expectApproxEquals(4F, $opt$Rem(4F, Float.POSITIVE_INFINITY)); 87 expectApproxEquals(4F, $opt$Rem(4F, Float.NEGATIVE_INFINITY)); 88 expectApproxEquals(-4F, $opt$Rem(-4F, Float.POSITIVE_INFINITY)); 89 expectApproxEquals(-4F, $opt$Rem(-4F, Float.NEGATIVE_INFINITY)); 90 expectApproxEquals(0F, $opt$Rem(Float.MIN_NORMAL, Float.MIN_VALUE)); 91 expectApproxEquals(0F, $opt$Rem(Float.MIN_NORMAL, Float.MIN_NORMAL)); 92 expectApproxEquals(0F, $opt$Rem(Float.MIN_VALUE, Float.MIN_VALUE)); 93 expectApproxEquals(0F, $opt$Rem(Float.MAX_VALUE, Float.MIN_VALUE)); 94 expectApproxEquals(0F, $opt$Rem(Float.MAX_VALUE, Float.MAX_VALUE)); 95 expectApproxEquals(0F, $opt$Rem(Float.MAX_VALUE, Float.MIN_NORMAL)); 96 expectApproxEquals(Float.MIN_NORMAL, $opt$Rem(Float.MIN_NORMAL, Float.MAX_VALUE)); 97 expectApproxEquals(Float.MIN_NORMAL, $opt$Rem(Float.MIN_NORMAL, Float.NEGATIVE_INFINITY)); 98 expectApproxEquals(Float.MIN_NORMAL, $opt$Rem(Float.MIN_NORMAL, Float.POSITIVE_INFINITY)); 99 expectApproxEquals(Float.MIN_VALUE, $opt$Rem(Float.MIN_VALUE, Float.MAX_VALUE)); 100 expectApproxEquals(Float.MIN_VALUE, $opt$Rem(Float.MIN_VALUE, Float.MIN_NORMAL)); 101 expectApproxEquals(Float.MIN_VALUE, $opt$Rem(Float.MIN_VALUE, Float.NEGATIVE_INFINITY)); 102 expectApproxEquals(Float.MIN_VALUE, $opt$Rem(Float.MIN_VALUE, Float.POSITIVE_INFINITY)); 103 expectApproxEquals(Float.MAX_VALUE, $opt$Rem(Float.MAX_VALUE, Float.NEGATIVE_INFINITY)); 104 expectApproxEquals(Float.MAX_VALUE, $opt$Rem(Float.MAX_VALUE, Float.POSITIVE_INFINITY)); 105 106 expectNaN($opt$Rem(Float.NaN, 3F)); 107 expectNaN($opt$Rem(3F, Float.NaN)); 108 expectNaN($opt$Rem(3F, 0F)); 109 expectNaN($opt$Rem(1F, 0F)); 110 expectNaN($opt$Rem(-1F, 0F)); 111 expectNaN($opt$Rem(Float.NEGATIVE_INFINITY, Float.MIN_VALUE)); 112 expectNaN($opt$Rem(Float.NEGATIVE_INFINITY, Float.MAX_VALUE)); 113 expectNaN($opt$Rem(Float.NEGATIVE_INFINITY, Float.MIN_NORMAL)); 114 expectNaN($opt$Rem(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY)); 115 expectNaN($opt$Rem(Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY)); 116 expectNaN($opt$Rem(Float.POSITIVE_INFINITY, Float.MIN_VALUE)); 117 expectNaN($opt$Rem(Float.POSITIVE_INFINITY, Float.MAX_VALUE)); 118 expectNaN($opt$Rem(Float.POSITIVE_INFINITY, Float.MIN_NORMAL)); 119 expectNaN($opt$Rem(Float.POSITIVE_INFINITY, Float.NEGATIVE_INFINITY)); 120 expectNaN($opt$Rem(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY)); 121 } 122 123 private static void remDouble() { 124 expectApproxEquals(1.98D, $opt$Rem(1.98D, 2D)); 125 expectApproxEquals(0D, $opt$Rem(2D, 0.5D)); 126 expectApproxEquals(0.09999D, $opt$Rem(1.0D, 0.1D)); 127 expectApproxEquals(1.9D, $opt$Rem(6.5D, 2.3D)); 128 expectApproxEquals(0.48D, $opt$Rem(1.98D, 1.5D)); 129 expectApproxEquals(0.9999D, $opt$Rem(0.9999D, 1.222D)); 130 expectApproxEquals(0.9999D, $opt$Rem(0.9999D, 1.0001D)); 131 expectApproxEquals(-1.98D, $opt$Rem(-1.98D, 2D)); 132 expectApproxEquals(-0D, $opt$Rem(-2D, 0.5D)); 133 expectApproxEquals(-0.09999D, $opt$Rem(-1.0D, 0.1D)); 134 expectApproxEquals(-1.9D, $opt$Rem(-6.5D, 2.3D)); 135 expectApproxEquals(-0.48D, $opt$Rem(-1.98D, 1.5D)); 136 expectApproxEquals(-0.9999D, $opt$Rem(-0.9999D, 1.222D)); 137 expectApproxEquals(-0.9999D, $opt$Rem(-0.9999D, 1.0001D)); 138 expectApproxEquals(1.98D, $opt$Rem(1.98D, -2D)); 139 expectApproxEquals(0D, $opt$Rem(2D, -0.5D)); 140 expectApproxEquals(0.09999D, $opt$Rem(1.0D, -0.1D)); 141 expectApproxEquals(1.9D, $opt$Rem(6.5D, -2.3D)); 142 expectApproxEquals(0.48D, $opt$Rem(1.98D, -1.5D)); 143 expectApproxEquals(0.9999D, $opt$Rem(0.9999D, -1.222D)); 144 expectApproxEquals(0.9999D, $opt$Rem(0.9999D, -1.0001D)); 145 expectApproxEquals(-1.98D, $opt$Rem(-1.98D, -2D)); 146 expectApproxEquals(-0D, $opt$Rem(-2D, -0.5D)); 147 expectApproxEquals(-0.09999D, $opt$Rem(-1.0D, -0.1D)); 148 expectApproxEquals(-1.9D, $opt$Rem(-6.5D, -2.3D)); 149 expectApproxEquals(-0.48D, $opt$Rem(-1.98D, -1.5D)); 150 expectApproxEquals(-0.9999D, $opt$Rem(-0.9999D, -1.222D)); 151 expectApproxEquals(-0.9999D, $opt$Rem(-0.9999D, -1.0001D)); 152 153 expectApproxEquals(2D, $opt$RemConst(6D)); 154 expectApproxEquals(2D, $opt$Rem(5.1D, 3.1D)); 155 expectApproxEquals(2.1D, $opt$Rem(5.1D, 3D)); 156 expectApproxEquals(-2D, $opt$Rem(-5.1D, 3.1D)); 157 expectApproxEquals(-2.1D, $opt$Rem(-5.1D, -3D)); 158 expectApproxEquals(2D, $opt$Rem(6D, 4D)); 159 expectApproxEquals(2D, $opt$Rem(6D, -4D)); 160 expectApproxEquals(0D, $opt$Rem(6D, 3D)); 161 expectApproxEquals(0D, $opt$Rem(6D, -3D)); 162 expectApproxEquals(0D, $opt$Rem(6D, 1D)); 163 expectApproxEquals(0D, $opt$Rem(6D, -1D)); 164 expectApproxEquals(-1D, $opt$Rem(-7D, 3D)); 165 expectApproxEquals(-1D, $opt$Rem(-7D, -3D)); 166 expectApproxEquals(0D, $opt$Rem(6D, 6D)); 167 expectApproxEquals(0D, $opt$Rem(-6D, -6D)); 168 expectApproxEquals(7D, $opt$Rem(7D, 9D)); 169 expectApproxEquals(7D, $opt$Rem(7D, -9D)); 170 expectApproxEquals(-7D, $opt$Rem(-7D, 9D)); 171 expectApproxEquals(-7D, $opt$Rem(-7D, -9D)); 172 expectApproxEquals(0D, $opt$Rem(Double.MAX_VALUE, 1D)); 173 expectApproxEquals(0D, $opt$Rem(Double.MAX_VALUE, -1D)); 174 expectApproxEquals(0D, $opt$Rem(Double.MIN_VALUE, 1D)); 175 expectApproxEquals(0D, $opt$Rem(Double.MIN_VALUE, -1D)); 176 expectApproxEquals(0D, $opt$Rem(0D, 7D)); 177 expectApproxEquals(0D, $opt$Rem(0D, Double.MAX_VALUE)); 178 expectApproxEquals(0D, $opt$Rem(0D, Double.MIN_VALUE)); 179 expectApproxEquals(0D, $opt$Rem(0D, Double.POSITIVE_INFINITY)); 180 expectApproxEquals(0D, $opt$Rem(0D, Double.NEGATIVE_INFINITY)); 181 expectApproxEquals(4D, $opt$Rem(4D, Double.POSITIVE_INFINITY)); 182 expectApproxEquals(4D, $opt$Rem(4D, Double.NEGATIVE_INFINITY)); 183 expectApproxEquals(-4D, $opt$Rem(-4D, Double.POSITIVE_INFINITY)); 184 expectApproxEquals(-4D, $opt$Rem(-4D, Double.NEGATIVE_INFINITY)); 185 expectApproxEquals(0D, $opt$Rem(Double.MIN_NORMAL, Double.MIN_VALUE)); 186 expectApproxEquals(0D, $opt$Rem(Double.MIN_NORMAL, Double.MIN_NORMAL)); 187 expectApproxEquals(0D, $opt$Rem(Double.MIN_VALUE, Double.MIN_VALUE)); 188 expectApproxEquals(0D, $opt$Rem(Double.MAX_VALUE, Double.MIN_VALUE)); 189 expectApproxEquals(0D, $opt$Rem(Double.MAX_VALUE, Double.MAX_VALUE)); 190 expectApproxEquals(0D, $opt$Rem(Double.MAX_VALUE, Double.MIN_NORMAL)); 191 expectApproxEquals(Double.MIN_NORMAL, $opt$Rem(Double.MIN_NORMAL, Double.MAX_VALUE)); 192 expectApproxEquals(Double.MIN_NORMAL, $opt$Rem(Double.MIN_NORMAL, Double.NEGATIVE_INFINITY)); 193 expectApproxEquals(Double.MIN_NORMAL, $opt$Rem(Double.MIN_NORMAL, Double.POSITIVE_INFINITY)); 194 expectApproxEquals(Double.MIN_VALUE, $opt$Rem(Double.MIN_VALUE, Double.MAX_VALUE)); 195 expectApproxEquals(Double.MIN_VALUE, $opt$Rem(Double.MIN_VALUE, Double.MIN_NORMAL)); 196 expectApproxEquals(Double.MIN_VALUE, $opt$Rem(Double.MIN_VALUE, Double.NEGATIVE_INFINITY)); 197 expectApproxEquals(Double.MIN_VALUE, $opt$Rem(Double.MIN_VALUE, Double.POSITIVE_INFINITY)); 198 expectApproxEquals(Double.MAX_VALUE, $opt$Rem(Double.MAX_VALUE, Double.NEGATIVE_INFINITY)); 199 expectApproxEquals(Double.MAX_VALUE, $opt$Rem(Double.MAX_VALUE, Double.POSITIVE_INFINITY)); 200 201 expectNaN($opt$Rem(Double.NaN, 3D)); 202 expectNaN($opt$Rem(3D, Double.NaN)); 203 expectNaN($opt$Rem(3D, 0D)); 204 expectNaN($opt$Rem(1D, 0D)); 205 expectNaN($opt$Rem(-1D, 0D)); 206 expectNaN($opt$Rem(Double.NEGATIVE_INFINITY, Double.MIN_VALUE)); 207 expectNaN($opt$Rem(Double.NEGATIVE_INFINITY, Double.MAX_VALUE)); 208 expectNaN($opt$Rem(Double.NEGATIVE_INFINITY, Double.MIN_NORMAL)); 209 expectNaN($opt$Rem(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY)); 210 expectNaN($opt$Rem(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY)); 211 expectNaN($opt$Rem(Double.POSITIVE_INFINITY, Double.MIN_VALUE)); 212 expectNaN($opt$Rem(Double.POSITIVE_INFINITY, Double.MAX_VALUE)); 213 expectNaN($opt$Rem(Double.POSITIVE_INFINITY, Double.MIN_NORMAL)); 214 expectNaN($opt$Rem(Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY)); 215 expectNaN($opt$Rem(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY)); 216 } 217 218 static float $opt$Rem(float a, float b) { 219 return a % b; 220 } 221 222 static float $opt$RemConst(float a) { 223 return a % 4F; 224 } 225 226 static double $opt$Rem(double a, double b) { 227 return a % b; 228 } 229 230 static double $opt$RemConst(double a) { 231 return a % 4D; 232 } 233 234 public static void expectApproxEquals(float a, float b) { 235 float maxDelta = 0.00001F; 236 boolean aproxEquals = (a > b) ? ((a - b) < maxDelta) : ((b - a) < maxDelta); 237 if (!aproxEquals) { 238 throw new Error("Expected: " + a + ", found: " + b 239 + ", with delta: " + maxDelta + " " + (a - b)); 240 } 241 } 242 243 public static void expectApproxEquals(double a, double b) { 244 double maxDelta = 0.00001D; 245 boolean aproxEquals = (a > b) ? ((a - b) < maxDelta) : ((b - a) < maxDelta); 246 if (!aproxEquals) { 247 throw new Error("Expected: " + a + ", found: " 248 + b + ", with delta: " + maxDelta + " " + (a - b)); 249 } 250 } 251 252 public static void expectNaN(float a) { 253 if (a == a) { 254 throw new Error("Expected NaN: " + a); 255 } 256 } 257 258 public static void expectNaN(double a) { 259 if (a == a) { 260 throw new Error("Expected NaN: " + a); 261 } 262 } 263 264} 265