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author | Andrew Hsieh <andrewhsieh@google.com> | 2012-11-08 09:43:39 -0800 |
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committer | Andrew Hsieh <andrewhsieh@google.com> | 2012-11-08 09:43:39 -0800 |
commit | 3c56f697e112c79fb5457538fdc373e348beca24 (patch) | |
tree | 91987aa2182421ebead7f3bc3e14ae0effd4ba88 /gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/omp_reduction.c | |
parent | 8add91f46171be1526e9b37fffcdb7683ad27d77 (diff) | |
download | toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.tar.gz toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.tar.bz2 toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.zip |
Initial checkin of unmodified gcc-5666.3.tar.gz
This is the source to build gcc-4.2 for MacOSX
gcc version 4.2.1 (Apple Inc. build 5666) (dot 3)
http://opensource.apple.com/tarballs/gcc/gcc-5666.3.tar.gz
Change-Id: I69540223f018e9d07f861fca04bd3833fc138f8b
Diffstat (limited to 'gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/omp_reduction.c')
-rw-r--r-- | gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/omp_reduction.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/omp_reduction.c b/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/omp_reduction.c new file mode 100644 index 000000000..5c9c41ec7 --- /dev/null +++ b/gcc-4.2.1-5666.3/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; +} |