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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++/sections-1.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++/sections-1.C')
-rw-r--r-- | gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c++/sections-1.C | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c++/sections-1.C b/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c++/sections-1.C new file mode 100644 index 000000000..32c93dbde --- /dev/null +++ b/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c++/sections-1.C @@ -0,0 +1,64 @@ +/****************************************************************************** +* FILE: omp_workshare2.c +* DESCRIPTION: +* OpenMP Example - Sections Work-sharing - C/C++ Version +* In this example, the OpenMP SECTION directive is used to assign +* different array operations to threads that execute a SECTION. Each +* thread receives its own copy of the result array to work with. +* AUTHOR: Blaise Barney 5/99 +* LAST REVISED: 04/06/05 +******************************************************************************/ +#include <omp.h> +#include <stdio.h> +#include <stdlib.h> +#define N 50 + +int main (int argc, char *argv[]) { + +int i, nthreads, tid; +float a[N], b[N], c[N]; + +/* Some initializations */ +for (i=0; i<N; i++) + a[i] = b[i] = i * 1.0; + +#pragma omp parallel shared(a,b,nthreads) private(c,i,tid) + { + tid = omp_get_thread_num(); + if (tid == 0) + { + nthreads = omp_get_num_threads(); + printf("Number of threads = %d\n", nthreads); + } + printf("Thread %d starting...\n",tid); + + #pragma omp sections nowait + { + #pragma omp section + { + printf("Thread %d doing section 1\n",tid); + for (i=0; i<N; i++) + { + c[i] = a[i] + b[i]; + printf("Thread %d: c[%d]= %f\n",tid,i,c[i]); + } + } + + #pragma omp section + { + printf("Thread %d doing section 2\n",tid); + for (i=0; i<N; i++) + { + c[i] = a[i] * b[i]; + printf("Thread %d: c[%d]= %f\n",tid,i,c[i]); + } + } + + } /* end of sections */ + + printf("Thread %d done.\n",tid); + + } /* end of parallel section */ + + return 0; +} |