| /* |
| * Copyright (c) 2018 Red Hat, Inc. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <jni.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Fletcher checksum. This is a nonlinear function which detects both */ |
| /* missing or otherwise incorrect arguments and arguments in the wrong */ |
| /* order. */ |
| static jfloat fcombine(jfloat f[], int len) { |
| int i; |
| jfloat sum = 0, sum_of_sums = 0; |
| for (i = 0; i < len; i++) { |
| sum += f[i]; |
| sum_of_sums += sum; |
| } |
| return sum + sum_of_sums * sum; |
| } |
| |
| static jdouble combine(jdouble f[], int len) { |
| int i; |
| double sum = 0, sum_of_sums = 0; |
| for (i = 0; i < len; i++) { |
| sum += f[i]; |
| sum_of_sums += sum; |
| } |
| return sum + sum_of_sums * sum; |
| } |
| |
| JNIEXPORT jfloat JNICALL Java_compiler_floatingpoint_TestFloatSyncJNIArgs_combine15floats |
| (JNIEnv *env, jclass cls, |
| jfloat f1, jfloat f2, jfloat f3, jfloat f4, |
| jfloat f5, jfloat f6, jfloat f7, jfloat f8, |
| jfloat f9, jfloat f10, jfloat f11, jfloat f12, |
| jfloat f13, jfloat f14, jfloat f15) { |
| |
| jfloat f[15]; |
| f[0] = f1; f[1] = f2; f[2] = f3; f[3] = f4; f[4] = f5; |
| f[5] = f6; f[6] = f7; f[7] = f8; f[8] = f9; f[9] = f10; |
| f[10] = f11; f[11] = f12; f[12] = f13; f[13] = f14; f[14] = f15; |
| |
| return fcombine(f, sizeof f / sizeof f[0]); |
| } |
| |
| JNIEXPORT jdouble JNICALL Java_compiler_floatingpoint_TestFloatSyncJNIArgs_combine15doubles |
| (JNIEnv *env, jclass cls, |
| jdouble f1, jdouble f2, jdouble f3, jdouble f4, |
| jdouble f5, jdouble f6, jdouble f7, jdouble f8, |
| jdouble f9, jdouble f10, jdouble f11, jdouble f12, |
| jdouble f13, jdouble f14, jdouble f15) { |
| |
| jdouble f[15]; |
| f[0] = f1; f[1] = f2; f[2] = f3; f[3] = f4; f[4] = f5; |
| f[5] = f6; f[6] = f7; f[7] = f8; f[8] = f9; f[9] = f10; |
| f[10] = f11; f[11] = f12; f[12] = f13; f[13] = f14; f[14] = f15; |
| |
| return combine(f, sizeof f / sizeof f[0]); |
| } |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
