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test for thread safty of CGAL::Residue

This commit is contained in:
Michael Hemmer 2008-09-16 11:28:48 +00:00
parent 57b0329dac
commit 41e2d1e3f2
2 changed files with 36 additions and 0 deletions
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.gitattributes vendored
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@ -2518,6 +2518,7 @@ Modular_arithmetic/doc_tex/Modular_arithmetic_ref/main.tex -text
Modular_arithmetic/examples/Modular_arithmetic/modular_filter.cpp -text
Modular_arithmetic/include/CGAL/Modular_arithmetic/Residue_type.h -text
Modular_arithmetic/test/Modular_arithmetic/Modular_traits.cpp -text
Modular_arithmetic/test/Modular_arithmetic/multi_threads.cpp -text
Nef_2/demo/Nef_2/filtered_homogeneous_data/complex.nef -text svneol=native#application/octet-stream
Nef_2/demo/Nef_2/filtered_homogeneous_data/symmdif.nef -text svneol=native#application/octet-stream
Nef_2/demo/Nef_2/help/index.html svneol=native#text/html

35
Modular_arithmetic/test/Modular_arithmetic/multi_threads.cpp Normal file
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// Author(s) : Michael Hemmer <mhemmer@uni-mainz.de>
#include <CGAL/basic.h>
#include <cassert>
#include <CGAL/Residue.h>
#include <CGAL/primes.h>
#include <CGAL/Test/_test_algebraic_structure.h>
#ifdef _OPENMP
#include <omp.h>
// This file needs Open MP.
// Use ,e.g. , gcc-4.3.1 with -fopenmp and -lgomp
int main () {
int tid;
//Beginning of parallel section. Fork a team of threads.
//Specify variable scoping
#pragma omp parallel private(tid)
{
tid = omp_get_thread_num();
int old_prime = CGAL::CGALi::primes[0];
int new_prime = CGAL::CGALi::primes[tid+1];
assert(CGAL::Residue::get_current_prime() == old_prime);
CGAL::Residue::set_current_prime(new_prime);
assert(CGAL::Residue::get_current_prime() == new_prime);
typedef CGAL::Residue NT;
typedef CGAL::Field_tag Tag;
typedef CGAL::Tag_true Is_exact;
CGAL::test_algebraic_structure<NT,Tag, Is_exact>();
}
}
#else
int main (){}
#endif