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
Math_cos(JNIEnv * env,jclass unused,jdouble d)31 Math_cos(JNIEnv *env, jclass unused, jdouble d) {
32 return cos(d);
33 }
34
35 JNIEXPORT jdouble JNICALL
Math_sin(JNIEnv * env,jclass unused,jdouble d)36 Math_sin(JNIEnv *env, jclass unused, jdouble d) {
37 return sin(d);
38 }
39
40 JNIEXPORT jdouble JNICALL
Math_tan(JNIEnv * env,jclass unused,jdouble d)41 Math_tan(JNIEnv *env, jclass unused, jdouble d) {
42 return tan(d);
43 }
44
45 JNIEXPORT jdouble JNICALL
Math_asin(JNIEnv * env,jclass unused,jdouble d)46 Math_asin(JNIEnv *env, jclass unused, jdouble d) {
47 return asin(d);
48 }
49
50 JNIEXPORT jdouble JNICALL
Math_acos(JNIEnv * env,jclass unused,jdouble d)51 Math_acos(JNIEnv *env, jclass unused, jdouble d) {
52 return acos(d);
53 }
54
55 JNIEXPORT jdouble JNICALL
Math_atan(JNIEnv * env,jclass unused,jdouble d)56 Math_atan(JNIEnv *env, jclass unused, jdouble d) {
57 return atan(d);
58 }
59
60 JNIEXPORT jdouble JNICALL
Math_exp(JNIEnv * env,jclass unused,jdouble d)61 Math_exp(JNIEnv *env, jclass unused, jdouble d) {
62 return exp(d);
63 }
64
65 JNIEXPORT jdouble JNICALL
Math_log(JNIEnv * env,jclass unused,jdouble d)66 Math_log(JNIEnv *env, jclass unused, jdouble d) {
67 return log(d);
68 }
69
70 JNIEXPORT jdouble JNICALL
Math_log10(JNIEnv * env,jclass unused,jdouble d)71 Math_log10(JNIEnv *env, jclass unused, jdouble d) {
72 return log10(d);
73 }
74
75 JNIEXPORT jdouble JNICALL
Math_sqrt(JNIEnv * env,jclass unused,jdouble d)76 Math_sqrt(JNIEnv *env, jclass unused, jdouble d) {
77 return sqrt(d);
78 }
79
80 JNIEXPORT jdouble JNICALL
Math_cbrt(JNIEnv * env,jclass unused,jdouble d)81 Math_cbrt(JNIEnv *env, jclass unused, jdouble d) {
82 return cbrt(d);
83 }
84
85 JNIEXPORT jdouble JNICALL
Math_atan2(JNIEnv * env,jclass unused,jdouble d1,jdouble d2)86 Math_atan2(JNIEnv *env, jclass unused, jdouble d1, jdouble d2) {
87 return atan2(d1, d2);
88 }
89
90 JNIEXPORT jdouble JNICALL
Math_pow(JNIEnv * env,jclass unused,jdouble d1,jdouble d2)91 Math_pow(JNIEnv *env, jclass unused, jdouble d1, jdouble d2) {
92 return pow(d1, d2);
93 }
94
95 JNIEXPORT jdouble JNICALL
Math_IEEEremainder(JNIEnv * env,jclass unused,jdouble dividend,jdouble divisor)96 Math_IEEEremainder(JNIEnv *env, jclass unused,
97 jdouble dividend,
98 jdouble divisor) {
99 return remainder(dividend, divisor);
100 }
101
102 JNIEXPORT jdouble JNICALL
Math_cosh(JNIEnv * env,jclass unused,jdouble d)103 Math_cosh(JNIEnv *env, jclass unused, jdouble d) {
104 return cosh(d);
105 }
106
107 JNIEXPORT jdouble JNICALL
Math_sinh(JNIEnv * env,jclass unused,jdouble d)108 Math_sinh(JNIEnv *env, jclass unused, jdouble d) {
109 return sinh(d);
110 }
111
112 JNIEXPORT jdouble JNICALL
Math_tanh(JNIEnv * env,jclass unused,jdouble d)113 Math_tanh(JNIEnv *env, jclass unused, jdouble d) {
114 return tanh(d);
115 }
116
117 JNIEXPORT jdouble JNICALL
Math_hypot(JNIEnv * env,jclass unused,jdouble x,jdouble y)118 Math_hypot(JNIEnv *env, jclass unused, jdouble x, jdouble y) {
119 return hypot(x, y);
120 }
121
122 JNIEXPORT jdouble JNICALL
Math_log1p(JNIEnv * env,jclass unused,jdouble d)123 Math_log1p(JNIEnv *env, jclass unused, jdouble d) {
124 return log1p(d);
125 }
126
127 JNIEXPORT jdouble JNICALL
Math_expm1(JNIEnv * env,jclass unused,jdouble d)128 Math_expm1(JNIEnv *env, jclass unused, jdouble d) {
129 return expm1(d);
130 }
131
132 JNIEXPORT jdouble JNICALL
Math_floor(JNIEnv * env,jclass unused,jdouble d)133 Math_floor(JNIEnv *env, jclass unused, jdouble d) {
134 return floor(d);
135 }
136
137 JNIEXPORT jdouble JNICALL
Math_ceil(JNIEnv * env,jclass unused,jdouble d)138 Math_ceil(JNIEnv *env, jclass unused, jdouble d) {
139 return ceil(d);
140 }
141
142 JNIEXPORT jdouble JNICALL
Math_rint(JNIEnv * env,jclass unused,jdouble d)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
register_java_lang_Math(JNIEnv * env)173 void register_java_lang_Math(JNIEnv* env) {
174 jniRegisterNativeMethods(env, "java/lang/Math", gMethods, NELEM(gMethods));
175 }
176