blis/gtestsuite/testsuite/level1/subv/ssubv_generic.cpp

/*

   BLIS
   An object-based framework for developing high-performance BLAS-like
   libraries.

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   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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*/

#include <gtest/gtest.h>
#include "test_subv.h"

class ssubvGeneric :
        // input params: x or conj(x), vector length, stride size of x, stride size of y
        public ::testing::TestWithParam<std::tuple<char, gtint_t, gtint_t, gtint_t>> {};

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ssubvGeneric);

TEST_P( ssubvGeneric, API )
{
    using T = float;
    //----------------------------------------------------------
    // Initialize values from the parameters passed through
    // test suite instantiation (INSTANTIATE_TEST_SUITE_P).
    //----------------------------------------------------------
    // denotes whether x or conj(x) will be added to y:
    char conj_x = std::get<0>(GetParam());
    // vector length:
    gtint_t n = std::get<1>(GetParam());
    // stride size for x:
    gtint_t incx = std::get<2>(GetParam());
    // stride size for y:
    gtint_t incy = std::get<3>(GetParam());

    // Set the threshold for the errors:
    // Check gtestsuite subv.h (no netlib version) for reminder of the
    // functionality from which we estimate operation count per element
    // of output, and hence the multipler for epsilon.
    double thresh;
    if (n == 0)
        thresh = 0.0;
    else
        thresh = testinghelpers::getEpsilon<T>();

    //----------------------------------------------------------
    //     Call generic test body using those parameters
    //----------------------------------------------------------

#ifdef OPENMP_NESTED_1diff
    #pragma omp parallel default(shared)
    {
	vary_num_threads();
        //std::cout << "Inside 1diff parallel regions\n";
        test_subv<T>( conj_x, n, incx, incy, thresh );
    }
#elif OPENMP_NESTED_2
    #pragma omp parallel default(shared)
    {
    #pragma omp parallel default(shared)
    {
        //std::cout << "Inside 2 parallel regions\n";
        test_subv<T>( conj_x, n, incx, incy, thresh );
    }
    }
#elif OPENMP_NESTED_1
    #pragma omp parallel default(shared)
    {
        //std::cout << "Inside 1 parallel region\n";
        test_subv<T>( conj_x, n, incx, incy, thresh );
    }
#else
        //std::cout << "Not inside parallel region\n";
        test_subv<T>( conj_x, n, incx, incy, thresh );
#endif
}

#ifdef TEST_BLIS_TYPED
INSTANTIATE_TEST_SUITE_P(
        PositiveIncrements,
        ssubvGeneric,
        ::testing::Combine(
            // n: use x, c: use conj(x)
            ::testing::Values('n'),
            // n: size of vector.
            // as don't have BLIS vectorized kernels for subv,
            // having fewer sizes or maybe a Range would be sufficient
            // to ensure code coverage of the reference kernel.
            ::testing::Values(
                gtint_t( 1),
                gtint_t( 2),
                gtint_t( 3),
                gtint_t( 5),
                gtint_t( 7),
                gtint_t( 9),
                gtint_t(10),
                gtint_t(15),
                gtint_t(20),
                gtint_t(55),
                gtint_t(99)
            ),
            // incx: stride of x vector.
            ::testing::Values(
                gtint_t(1),gtint_t(5)
            ),
            // incy: stride of y vector.
            ::testing::Values(
                gtint_t(1),gtint_t(5)
            )
        ),
        ::subvGenericPrint()
    );
#endif

#ifdef TEST_BLIS_TYPED
INSTANTIATE_TEST_SUITE_P(
        PositiveIncrementforConjugate,
        ssubvGeneric,
        ::testing::Combine(
            // c: conjugate for x
            ::testing::Values('c'),
            // n: size of vector.
            // as conjugate of a real number x is x,
            // so adding a single test that uses 'c' as an option for sanity check.
            ::testing::Values(
                gtint_t( 1),gtint_t( 7)
            ),
            // incx: stride of x vector.
            ::testing::Values(
                gtint_t(1),gtint_t(5)
            ),
            // incy: stride of y vector.
            ::testing::Values(
                gtint_t(1),gtint_t(5)
            )
        ),
        ::subvGenericPrint()
    );
#endif