1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Google designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Google in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 */ 20 21 #include "jni.h" 22 #include "JNIHelp.h" 23 24 #include <stdlib.h> 25 #include <math.h> 26 27 #define NATIVE_METHOD(className, functionName, signature) \ 28 { #functionName, signature, (void*)(className ## _ ## functionName) } 29 30 JNIEXPORT jdouble JNICALL 31 Math_cos(JNIEnv *env, jclass unused, jdouble d) { 32 return cos(d); 33 } 34 35 JNIEXPORT jdouble JNICALL 36 Math_sin(JNIEnv *env, jclass unused, jdouble d) { 37 return sin(d); 38 } 39 40 JNIEXPORT jdouble JNICALL 41 Math_tan(JNIEnv *env, jclass unused, jdouble d) { 42 return tan(d); 43 } 44 45 JNIEXPORT jdouble JNICALL 46 Math_asin(JNIEnv *env, jclass unused, jdouble d) { 47 return asin(d); 48 } 49 50 JNIEXPORT jdouble JNICALL 51 Math_acos(JNIEnv *env, jclass unused, jdouble d) { 52 return acos(d); 53 } 54 55 JNIEXPORT jdouble JNICALL 56 Math_atan(JNIEnv *env, jclass unused, jdouble d) { 57 return atan(d); 58 } 59 60 JNIEXPORT jdouble JNICALL 61 Math_exp(JNIEnv *env, jclass unused, jdouble d) { 62 return exp(d); 63 } 64 65 JNIEXPORT jdouble JNICALL 66 Math_log(JNIEnv *env, jclass unused, jdouble d) { 67 return log(d); 68 } 69 70 JNIEXPORT jdouble JNICALL 71 Math_log10(JNIEnv *env, jclass unused, jdouble d) { 72 return log10(d); 73 } 74 75 JNIEXPORT jdouble JNICALL 76 Math_sqrt(JNIEnv *env, jclass unused, jdouble d) { 77 return sqrt(d); 78 } 79 80 JNIEXPORT jdouble JNICALL 81 Math_cbrt(JNIEnv *env, jclass unused, jdouble d) { 82 return cbrt(d); 83 } 84 85 JNIEXPORT jdouble JNICALL 86 Math_atan2(JNIEnv *env, jclass unused, jdouble d1, jdouble d2) { 87 return atan2(d1, d2); 88 } 89 90 JNIEXPORT jdouble JNICALL 91 Math_pow(JNIEnv *env, jclass unused, jdouble d1, jdouble d2) { 92 return pow(d1, d2); 93 } 94 95 JNIEXPORT jdouble JNICALL 96 Math_IEEEremainder(JNIEnv *env, jclass unused, 97 jdouble dividend, 98 jdouble divisor) { 99 return remainder(dividend, divisor); 100 } 101 102 JNIEXPORT jdouble JNICALL 103 Math_cosh(JNIEnv *env, jclass unused, jdouble d) { 104 return cosh(d); 105 } 106 107 JNIEXPORT jdouble JNICALL 108 Math_sinh(JNIEnv *env, jclass unused, jdouble d) { 109 return sinh(d); 110 } 111 112 JNIEXPORT jdouble JNICALL 113 Math_tanh(JNIEnv *env, jclass unused, jdouble d) { 114 return tanh(d); 115 } 116 117 JNIEXPORT jdouble JNICALL 118 Math_hypot(JNIEnv *env, jclass unused, jdouble x, jdouble y) { 119 return hypot(x, y); 120 } 121 122 JNIEXPORT jdouble JNICALL 123 Math_log1p(JNIEnv *env, jclass unused, jdouble d) { 124 return log1p(d); 125 } 126 127 JNIEXPORT jdouble JNICALL 128 Math_expm1(JNIEnv *env, jclass unused, jdouble d) { 129 return expm1(d); 130 } 131 132 JNIEXPORT jdouble JNICALL 133 Math_floor(JNIEnv *env, jclass unused, jdouble d) { 134 return floor(d); 135 } 136 137 JNIEXPORT jdouble JNICALL 138 Math_ceil(JNIEnv *env, jclass unused, jdouble d) { 139 return ceil(d); 140 } 141 142 JNIEXPORT jdouble JNICALL 143 Math_rint(JNIEnv *env, jclass unused, jdouble d) { 144 return rint(d); 145 } 146 147 static JNINativeMethod gMethods[] = { 148 NATIVE_METHOD(Math, IEEEremainder, "!(DD)D"), 149 NATIVE_METHOD(Math, acos, "!(D)D"), 150 NATIVE_METHOD(Math, asin, "!(D)D"), 151 NATIVE_METHOD(Math, atan, "!(D)D"), 152 NATIVE_METHOD(Math, atan2, "!(DD)D"), 153 NATIVE_METHOD(Math, cbrt, "!(D)D"), 154 NATIVE_METHOD(Math, cos, "!(D)D"), 155 NATIVE_METHOD(Math, ceil, "!(D)D"), 156 NATIVE_METHOD(Math, cosh, "!(D)D"), 157 NATIVE_METHOD(Math, exp, "!(D)D"), 158 NATIVE_METHOD(Math, expm1, "!(D)D"), 159 NATIVE_METHOD(Math, floor, "!(D)D"), 160 NATIVE_METHOD(Math, hypot, "!(DD)D"), 161 NATIVE_METHOD(Math, log, "!(D)D"), 162 NATIVE_METHOD(Math, log10, "!(D)D"), 163 NATIVE_METHOD(Math, log1p, "!(D)D"), 164 NATIVE_METHOD(Math, pow, "!(DD)D"), 165 NATIVE_METHOD(Math, rint, "!(D)D"), 166 NATIVE_METHOD(Math, sin, "!(D)D"), 167 NATIVE_METHOD(Math, sinh, "!(D)D"), 168 NATIVE_METHOD(Math, sqrt, "!(D)D"), 169 NATIVE_METHOD(Math, tan, "!(D)D"), 170 NATIVE_METHOD(Math, tanh, "!(D)D"), 171 }; 172 173 void register_java_lang_Math(JNIEnv* env) { 174 jniRegisterNativeMethods(env, "java/lang/Math", gMethods, NELEM(gMethods)); 175 } 176
