Function af_create_sparse_array_from_dense

src/api/c/sparse.cpp:303–344

}

af_err af_create_sparse_array_from_dense(af_array *out, const af_array in,
                                         const af_storage stype) {
    try {
        // Checks:
        // stype is within acceptable range
        // values is of floating point type

        const ArrayInfo &info = getInfo(in);

        if (!(stype == AF_STORAGE_CSR || stype == AF_STORAGE_CSC ||
              stype == AF_STORAGE_COO)) {
            AF_ERROR("Storage type is out of range/unsupported", AF_ERR_ARG);
        }

        // Only matrices allowed
        DIM_ASSERT(1, info.ndims() == 2);

        TYPE_ASSERT(info.isFloating());

        af_array output = 0;

        switch (info.getType()) {
            case f32:
                output = createSparseArrayFromDense<float>(in, stype);
                break;
            case f64:
                output = createSparseArrayFromDense<double>(in, stype);
                break;
            case c32:
                output = createSparseArrayFromDense<cfloat>(in, stype);
                break;
            case c64:
                output = createSparseArrayFromDense<cdouble>(in, stype);
                break;
            default: TYPE_ERROR(1, info.getType());
        }
        std::swap(*out, output);
    }
    CATCHALL;

    return AF_SUCCESS;
}

af_err af_sparse_convert_to(af_array *out, const af_array in,
                            const af_storage destStorage) {