Function af_resize

src/api/c/resize.cpp:34–82

}

af_err af_resize(af_array* out, const af_array in, const dim_t odim0,
                 const dim_t odim1, const af_interp_type method) {
    try {
        const ArrayInfo& info = getInfo(in);
        af_dtype type         = info.getType();

        ARG_ASSERT(4, method == AF_INTERP_NEAREST ||
                          method == AF_INTERP_BILINEAR ||
                          method == AF_INTERP_BILINEAR_COSINE ||
                          method == AF_INTERP_BICUBIC ||
                          method == AF_INTERP_BICUBIC_SPLINE ||
                          method == AF_INTERP_LOWER);

        DIM_ASSERT(2, odim0 > 0);
        DIM_ASSERT(3, odim1 > 0);

        bool is_resize_supported =
            (method == AF_INTERP_LOWER || method == AF_INTERP_NEAREST ||
             method == AF_INTERP_BILINEAR);

        if (!is_resize_supported) {
            // Fall back to scale for additional methods
            return af_scale(out, in, 0, 0, odim0, odim1, method);
        }

        af_array output;

        switch (type) {
            case f32: output = resize<float>(in, odim0, odim1, method); break;
            case f64: output = resize<double>(in, odim0, odim1, method); break;
            case c32: output = resize<cfloat>(in, odim0, odim1, method); break;
            case c64: output = resize<cdouble>(in, odim0, odim1, method); break;
            case s32: output = resize<int>(in, odim0, odim1, method); break;
            case u32: output = resize<uint>(in, odim0, odim1, method); break;
            case s64: output = resize<intl>(in, odim0, odim1, method); break;
            case u64: output = resize<uintl>(in, odim0, odim1, method); break;
            case s16: output = resize<short>(in, odim0, odim1, method); break;
            case u16: output = resize<ushort>(in, odim0, odim1, method); break;
            case s8: output = resize<schar>(in, odim0, odim1, method); break;
            case u8: output = resize<uchar>(in, odim0, odim1, method); break;
            case b8: output = resize<char>(in, odim0, odim1, method); break;
            default: TYPE_ERROR(1, type);
        }
        std::swap(*out, output);
    }
    CATCHALL;

    return AF_SUCCESS;
}