void TestDeterministicReduction () {
typedef typename Op::Type Type;
const tbb::blocked_range<int> range(0, N);
ReduceBody<Op> body;
tbb::parallel_deterministic_reduce( range,body );
Type R = body.my_value;
for ( int i=0; i<100; ++i ) {
ReduceBody<Op> body2;
tbb::parallel_deterministic_reduce( range,body2 );
ASSERT( body2.my_value == R, NULL );
#if __TBB_LAMBDAS_PRESENT
Type r = tbb::parallel_deterministic_reduce( range, Type(),
[](const tbb::blocked_range<int>& br, Type value) -> Type {
Harness::ConcurrencyTracker ct;
for ( int ii = br.begin(); ii != br.end(); ++ii ) {
Op op;
value = op(value, ii);
}
return value;
},
[](const Type& v1, const Type& v2) -> Type {
Op op;
return op.join(v1,v2);
}
);
ASSERT( r == R, NULL );
#endif /* LAMBDAS */
}
ASSERT_WARNING((Harness::ConcurrencyTracker::PeakParallelism() > 1), "no parallel execution\n");
}
void join( const ReduceBody& y ) {
Op op;
my_value = op.join(my_value, y.my_value);
}