C++ (Cpp) oskar_imager_set_algorithm Examples

Example #1

File: oskar_imager_create.c Project: OxfordSKA/OSKAR

oskar_Imager* oskar_imager_create(int imager_precision, int* status)
{
    oskar_Imager* h = 0;
    h = (oskar_Imager*) calloc(1, sizeof(oskar_Imager));

    /* Create timers. */
    h->tmr_grid_finalise = oskar_timer_create(OSKAR_TIMER_NATIVE);
    h->tmr_grid_update = oskar_timer_create(OSKAR_TIMER_NATIVE);
    h->tmr_init = oskar_timer_create(OSKAR_TIMER_NATIVE);
    h->tmr_read = oskar_timer_create(OSKAR_TIMER_NATIVE);
    h->tmr_write = oskar_timer_create(OSKAR_TIMER_NATIVE);
    h->mutex = oskar_mutex_create();

    /* Create scratch arrays. */
    h->imager_prec = imager_precision;
    h->uu_im       = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->vv_im       = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->ww_im       = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->uu_tmp      = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->vv_tmp      = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->ww_tmp      = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->vis_im      = oskar_mem_create(imager_precision | OSKAR_COMPLEX,
            OSKAR_CPU, 0, status);
    h->weight_im   = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->weight_tmp  = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->time_im     = oskar_mem_create(OSKAR_DOUBLE, OSKAR_CPU, 0, status);

    /* Check data type. */
    if (imager_precision != OSKAR_SINGLE && imager_precision != OSKAR_DOUBLE)
    {
        *status = OSKAR_ERR_BAD_DATA_TYPE;
        return h;
    }

    /* Get number of devices available, and device location. */
    oskar_device_set_require_double_precision(imager_precision == OSKAR_DOUBLE);
    h->num_gpus_avail = oskar_device_count(0, &h->dev_loc);

    /* Set sensible defaults. */
    oskar_imager_set_gpus(h, -1, 0, status);
    oskar_imager_set_num_devices(h, -1);
    oskar_imager_set_algorithm(h, "FFT", status);
    oskar_imager_set_image_type(h, "I", status);
    oskar_imager_set_weighting(h, "Natural", status);
    oskar_imager_set_ms_column(h, "DATA", status);
    oskar_imager_set_default_direction(h);
    oskar_imager_set_generate_w_kernels_on_gpu(h, 1);
    oskar_imager_set_fov(h, 1.0);
    oskar_imager_set_size(h, 256, status);
    oskar_imager_set_uv_filter_max(h, DBL_MAX);
    return h;
}

Example #2

oskar_Imager* oskar_imager_create(int imager_precision, int* status)
{
    oskar_Imager* h = 0;
    h = (oskar_Imager*) calloc(1, sizeof(oskar_Imager));

    /* Create scratch arrays. */
    h->imager_prec = imager_precision;
    h->uu_im       = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->vv_im       = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->ww_im       = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->uu_tmp      = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->vv_tmp      = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->ww_tmp      = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->vis_im      = oskar_mem_create(imager_precision | OSKAR_COMPLEX,
            OSKAR_CPU, 0, status);
    h->weight_im   = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);
    h->weight_tmp  = oskar_mem_create(imager_precision, OSKAR_CPU, 0, status);

    /* Check data type. */
    if (imager_precision != OSKAR_SINGLE && imager_precision != OSKAR_DOUBLE)
    {
        *status = OSKAR_ERR_BAD_DATA_TYPE;
        return h;
    }

    /* Set sensible defaults. */
    oskar_imager_set_gpus(h, -1, 0, status);
    oskar_imager_set_fft_on_gpu(h, 0);
    oskar_imager_set_generate_w_kernels_on_gpu(h, 1);
    oskar_imager_set_fov(h, 1.0);
    oskar_imager_set_size(h, 256, status);
    oskar_imager_set_channel_start(h, 0);
    oskar_imager_set_channel_end(h, -1);
    oskar_imager_set_channel_snapshots(h, 1);
    oskar_imager_set_time_start(h, 0);
    oskar_imager_set_time_end(h, -1);
    oskar_imager_set_time_snapshots(h, 0);
    oskar_imager_set_uv_filter_max(h, -1.0);
    oskar_imager_set_image_type(h, "I", status);
    oskar_imager_set_algorithm(h, "FFT", status);
    oskar_imager_set_weighting(h, "Natural", status);
    oskar_imager_set_ms_column(h, "DATA", status);
    oskar_imager_set_default_direction(h);
    return h;
}