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author | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
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committer | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
commit | b094d6c4bf572654a031ecc4afe675154c886dc5 (patch) | |
tree | 89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_reduction.c | |
parent | dc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff) | |
download | toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.gz toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.bz2 toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.zip |
commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which
are recorded in gcc-4.4.3/README.google.
Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_reduction.c')
-rw-r--r-- | gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_reduction.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_reduction.c b/gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_reduction.c new file mode 100644 index 000000000..5c9c41ec7 --- /dev/null +++ b/gcc-4.4.3/libgomp/testsuite/libgomp.c/omp_reduction.c @@ -0,0 +1,35 @@ +/****************************************************************************** +* FILE: omp_reduction.c +* DESCRIPTION: +* OpenMP Example - Combined Parallel Loop Reduction - C/C++ Version +* This example demonstrates a sum reduction within a combined parallel loop +* construct. Notice that default data element scoping is assumed - there +* are no clauses specifying shared or private variables. OpenMP will +* automatically make loop index variables private within team threads, and +* global variables shared. +* AUTHOR: Blaise Barney 5/99 +* LAST REVISED: 04/06/05 +******************************************************************************/ +#include <omp.h> +#include <stdio.h> +#include <stdlib.h> + +int main (int argc, char *argv[]) { + +int i, n; +float a[100], b[100], sum; + +/* Some initializations */ +n = 100; +for (i=0; i < n; i++) + a[i] = b[i] = i * 1.0; +sum = 0.0; + +#pragma omp parallel for reduction(+:sum) + for (i=0; i < n; i++) + sum = sum + (a[i] * b[i]); + +printf(" Sum = %f\n",sum); + + return 0; +} |