rtpg_summarystats_arg_init()

static rtpg_summarystats_arg rtpg_summarystats_arg_init ( )

static

Definition at line 522 of file rtpg_statistics.c.

References rtpg_summarystats_arg_t::band_index, rtpg_summarystats_arg_t::cK, rtpg_summarystats_arg_t::cM, rt_bandstats_t::count, rtpg_summarystats_arg_t::cQ, rtpg_summarystats_arg_t::exclude_nodata_value, rt_bandstats_t::max, rt_bandstats_t::mean, rt_bandstats_t::min, PG_FUNCTION_INFO_V1(), RASTER_summaryStats_transfn(), rtpg_summarystats_arg_destroy(), rtpg_summarystats_arg_t::sample, rt_bandstats_t::sample, rt_bandstats_t::sorted, rtpg_summarystats_arg_t::stats, rt_bandstats_t::stddev, rt_bandstats_t::sum, TRUE, and rt_bandstats_t::values.

Referenced by RASTER_summaryStats_transfn().

                             {
        rtpg_summarystats_arg arg = NULL;

        arg = palloc(sizeof(struct rtpg_summarystats_arg_t));
        if (arg == NULL) {
                elog(
                        ERROR,
                        "rtpg_summarystats_arg_init: Cannot allocate memory for function arguments"
                );
                return NULL;
        }

        arg->stats = (rt_bandstats) palloc(sizeof(struct rt_bandstats_t));
        if (arg->stats == NULL) {
                rtpg_summarystats_arg_destroy(arg);
                elog(
                        ERROR,
                        "rtpg_summarystats_arg_init: Cannot allocate memory for stats function argument"
                );
                return NULL;
        }

        arg->stats->sample = 0;
        arg->stats->count = 0;
        arg->stats->min = 0;
        arg->stats->max = 0;
        arg->stats->sum = 0;
        arg->stats->mean = 0;
        arg->stats->stddev = -1;
        arg->stats->values = NULL;
        arg->stats->sorted = 0;

        arg->cK = 0;
        arg->cM = 0;
        arg->cQ = 0;

        arg->band_index = 1;
        arg->exclude_nodata_value = TRUE;
        arg->sample = 1;

        return arg;
}

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