C++ (Cpp) f_v Examples

Example #1

File: test_static.cpp Project: ContinuumIO/ispc

int main(int argc, char *argv[]) {
    int w = width();
    assert(w <= 16);

    float returned_result[16];
    for (int i = 0; i < 16; ++i)
        returned_result[i] = -1e20;
    float vfloat[16] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
    double vdouble[16] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
    int vint[16] = { 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32 };
    int vint2[16] = { 5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
    float b = 5.;

#if (TEST_SIG == 0)
    f_v(returned_result);
#elif (TEST_SIG == 1)
    f_f(returned_result, vfloat);
#elif (TEST_SIG == 2)
    f_fu(returned_result, vfloat, b);
#elif (TEST_SIG == 3)
    f_fi(returned_result, vfloat, vint);
#elif (TEST_SIG == 4)
    f_du(returned_result, vdouble, 5.);
#elif (TEST_SIG == 5)
    f_duf(returned_result, vdouble, 5.f);
#elif (TEST_SIG == 6)
    f_di(returned_result, vdouble, vint2);
#else
#error "Unknown or unset TEST_SIG value"
#endif    

    float expected_result[16];
    memset(expected_result, 0, 16*sizeof(float));
    result(expected_result);

    int errors = 0;
    for (int i = 0; i < w; ++i) {
        if (returned_result[i] != expected_result[i]) {
#ifdef EXPECT_FAILURE
            // bingo, failed
            return 1;
#else
            printf("%s: value %d disagrees: returned %f [%a], expected %f [%a]\n",
                   argv[0], i, returned_result[i], returned_result[i], 
                   expected_result[i], expected_result[i]);
            ++errors;
#endif // EXPECT_FAILURE
        }
    }

#ifdef EXPECT_FAILURE
    // Don't expect to get here
    return 0;
#else
    return errors > 0;
#endif
}

Example #2

File: test_static.cpp Project: josephwinston/ispc

int main(int argc, char *argv[]) {
    int w = width();
    assert(w <= 64);

    ALIGN float returned_result[64];
    ALIGN float vfloat[64];
    ALIGN double vdouble[64];
    ALIGN int vint[64];
    ALIGN int vint2[64];

    for (int i = 0; i < 64; ++i) {
        returned_result[i] = -1e20;
        vfloat[i] = i+1;
        vdouble[i] = i+1;
        vint[i] = 2*(i+1);
        vint2[i] = i+5;
    }

    float b = 5.;

#if (TEST_SIG == 0)
    f_v(returned_result);
#elif (TEST_SIG == 1)
    f_f(returned_result, vfloat);
#elif (TEST_SIG == 2)
    f_fu(returned_result, vfloat, b);
#elif (TEST_SIG == 3)
    f_fi(returned_result, vfloat, vint);
#elif (TEST_SIG == 4)
    f_du(returned_result, vdouble, 5.);
#elif (TEST_SIG == 5)
    f_duf(returned_result, vdouble, 5.f);
#elif (TEST_SIG == 6)
    f_di(returned_result, vdouble, vint2);
#elif (TEST_SIG == 7)
    *returned_result = sizeof(ispc::f_sz);
#else
#error "Unknown or unset TEST_SIG value"
#endif

    float expected_result[64];
    memset(expected_result, 0, 64*sizeof(float));
    result(expected_result);

    int errors = 0;
    for (int i = 0; i < w; ++i) {
        if (returned_result[i] != expected_result[i]) {
#ifdef EXPECT_FAILURE
            // bingo, failed
            return 1;
#else
            printf("%s: value %d disagrees: returned %f [%a], expected %f [%a]\n",
                   argv[0], i, returned_result[i], returned_result[i],
                   expected_result[i], expected_result[i]);
            ++errors;
#endif // EXPECT_FAILURE
        }
    }

#ifdef EXPECT_FAILURE
    // Don't expect to get here
    return 0;
#else
    return errors > 0;
#endif
}