| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "StrictMath" |
| |
| #include "../../external/fdlibm/fdlibm.h" |
| |
| #include "jni.h" |
| #include "JNIHelp.h" |
| #include "JniConstants.h" |
| |
| static jdouble StrictMath_sin(JNIEnv*, jclass, jdouble a) { |
| return ieee_sin(a); |
| } |
| |
| static jdouble StrictMath_cos(JNIEnv*, jclass, jdouble a) { |
| return ieee_cos(a); |
| } |
| |
| static jdouble StrictMath_tan(JNIEnv*, jclass, jdouble a) { |
| return ieee_tan(a); |
| } |
| |
| static jdouble StrictMath_asin(JNIEnv*, jclass, jdouble a) { |
| return ieee_asin(a); |
| } |
| |
| static jdouble StrictMath_acos(JNIEnv*, jclass, jdouble a) { |
| return ieee_acos(a); |
| } |
| |
| static jdouble StrictMath_atan(JNIEnv*, jclass, jdouble a) { |
| return ieee_atan(a); |
| } |
| |
| static jdouble StrictMath_exp(JNIEnv*, jclass, jdouble a) { |
| return ieee_exp(a); |
| } |
| |
| static jdouble StrictMath_log(JNIEnv*, jclass, jdouble a) { |
| return ieee_log(a); |
| } |
| |
| static jdouble StrictMath_sqrt(JNIEnv*, jclass, jdouble a) { |
| return ieee_sqrt(a); |
| } |
| |
| static jdouble StrictMath_IEEEremainder(JNIEnv*, jclass, jdouble a, jdouble b) { |
| return ieee_remainder(a, b); |
| } |
| |
| static jdouble StrictMath_floor(JNIEnv*, jclass, jdouble a) { |
| return ieee_floor(a); |
| } |
| |
| static jdouble StrictMath_ceil(JNIEnv*, jclass, jdouble a) { |
| return ieee_ceil(a); |
| } |
| |
| static jdouble StrictMath_rint(JNIEnv*, jclass, jdouble a) { |
| return ieee_rint(a); |
| } |
| |
| static jdouble StrictMath_atan2(JNIEnv*, jclass, jdouble a, jdouble b) { |
| return ieee_atan2(a, b); |
| } |
| |
| static jdouble StrictMath_pow(JNIEnv*, jclass, jdouble a, jdouble b) { |
| return ieee_pow(a,b); |
| } |
| |
| static jdouble StrictMath_sinh(JNIEnv*, jclass, jdouble a) { |
| return ieee_sinh(a); |
| } |
| |
| static jdouble StrictMath_tanh(JNIEnv*, jclass, jdouble a) { |
| return ieee_tanh(a); |
| } |
| |
| static jdouble StrictMath_cosh(JNIEnv*, jclass, jdouble a) { |
| return ieee_cosh(a); |
| } |
| |
| static jdouble StrictMath_log10(JNIEnv*, jclass, jdouble a) { |
| return ieee_log10(a); |
| } |
| |
| static jdouble StrictMath_cbrt(JNIEnv*, jclass, jdouble a) { |
| return ieee_cbrt(a); |
| } |
| |
| static jdouble StrictMath_expm1(JNIEnv*, jclass, jdouble a) { |
| return ieee_expm1(a); |
| } |
| |
| static jdouble StrictMath_hypot(JNIEnv*, jclass, jdouble a, jdouble b) { |
| return ieee_hypot(a, b); |
| } |
| |
| static jdouble StrictMath_log1p(JNIEnv*, jclass, jdouble a) { |
| return ieee_log1p(a); |
| } |
| |
| static jdouble StrictMath_nextafter(JNIEnv*, jclass, jdouble a, jdouble b) { |
| return ieee_nextafter(a, b); |
| } |
| |
| extern jint Float_floatToRawIntBits(JNIEnv*, jclass, jfloat); |
| extern jfloat Float_intBitsToFloat(JNIEnv*, jclass, jint val); |
| |
| // TODO: we should make Float.floatToRawBits and Float.intBitsToFloat intrinsics, and move |
| // this kind of code into Java. |
| static jfloat StrictMath_nextafterf(JNIEnv*, jclass, jfloat arg1, jfloat arg2) { |
| jint hx = Float_floatToRawIntBits(NULL, NULL, arg1); |
| jint hy = Float_floatToRawIntBits(NULL, NULL, arg2); |
| |
| if (!(hx & 0x7fffffff)) { /* arg1 == 0 */ |
| return Float_intBitsToFloat(NULL, NULL, (hy & 0x80000000) | 0x1); |
| } |
| |
| if ((hx > 0) ^ (hx > hy)) { /* |arg1| < |arg2| */ |
| hx += 1; |
| } else { |
| hx -= 1; |
| } |
| return Float_intBitsToFloat(NULL, NULL, hx); |
| } |
| |
| static JNINativeMethod gMethods[] = { |
| NATIVE_METHOD(StrictMath, IEEEremainder, "(DD)D"), |
| NATIVE_METHOD(StrictMath, acos, "(D)D"), |
| NATIVE_METHOD(StrictMath, asin, "(D)D"), |
| NATIVE_METHOD(StrictMath, atan, "(D)D"), |
| NATIVE_METHOD(StrictMath, atan2, "(DD)D"), |
| NATIVE_METHOD(StrictMath, cbrt, "(D)D"), |
| NATIVE_METHOD(StrictMath, ceil, "(D)D"), |
| NATIVE_METHOD(StrictMath, cos, "(D)D"), |
| NATIVE_METHOD(StrictMath, cosh, "(D)D"), |
| NATIVE_METHOD(StrictMath, exp, "(D)D"), |
| NATIVE_METHOD(StrictMath, expm1, "(D)D"), |
| NATIVE_METHOD(StrictMath, floor, "(D)D"), |
| NATIVE_METHOD(StrictMath, hypot, "(DD)D"), |
| NATIVE_METHOD(StrictMath, log, "(D)D"), |
| NATIVE_METHOD(StrictMath, log10, "(D)D"), |
| NATIVE_METHOD(StrictMath, log1p, "(D)D"), |
| NATIVE_METHOD(StrictMath, nextafter, "(DD)D"), |
| NATIVE_METHOD(StrictMath, nextafterf, "(FF)F"), |
| NATIVE_METHOD(StrictMath, pow, "(DD)D"), |
| NATIVE_METHOD(StrictMath, rint, "(D)D"), |
| NATIVE_METHOD(StrictMath, sin, "(D)D"), |
| NATIVE_METHOD(StrictMath, sinh, "(D)D"), |
| NATIVE_METHOD(StrictMath, sqrt, "(D)D"), |
| NATIVE_METHOD(StrictMath, tan, "(D)D"), |
| NATIVE_METHOD(StrictMath, tanh, "(D)D"), |
| }; |
| |
| int register_java_lang_StrictMath(JNIEnv* env) { |
| return jniRegisterNativeMethods(env, "java/lang/StrictMath", gMethods, NELEM(gMethods)); |
| } |