Function TEST

test/index.cpp:588–645

}

TEST(Index, Docs_Util_C_API) {
    // clang-format off
    ASSERT_EQ(0, ([]() -> int {
    //![ex_index_util_0]
    af_index_t *indexers = 0;
    af_err err = af_create_indexers(&indexers); // Memory is allocated on heap by the callee
                                                // by default all the indexers span all the elements along
                                                // the given dimension

    // Create array
    af_array a;
    unsigned ndims = 2;
    dim_t dim[]    = {10, 10};
    af_randu(&a, ndims, dim, f32);

    // Create index array
    af_array idx;
    unsigned n = 1;
    dim_t d[]  = {5};
    af_range(&idx, n, d, 0, s32);

    af_print_array(a);
    af_print_array(idx);

    // create array indexer
    err = af_set_array_indexer(indexers, idx, 1);

    // index with indexers
    af_array out;
    err = af_index_gen(&out, a, 2, indexers);  // number of indexers should be two since
                                               // we have set only second af_index_t
    if (err != AF_SUCCESS) {
        printf("Failed in af_index_gen: %d\n", err);
        return 1;
    }
    af_print_array(out);
    af_release_array(out);

    af_seq zeroIndices = af_make_seq(0.0, 9.0, 2.0);

    err = af_set_seq_indexer(indexers, &zeroIndices, 0, false);

    err = af_index_gen(&out, a, 2, indexers);
    if (err != AF_SUCCESS) {
        printf("Failed in af_index_gen: %d\n", err);
        return 1;
    }
    af_print_array(out);

    af_release_indexers(indexers);
    af_release_array(a);
    af_release_array(idx);
    af_release_array(out);
    return 0;
    //![ex_index_util_0]
    }()));
    // clang-format on
}