gbox_is_valid()

int gbox_is_valid

(

const GBOX *

gbox

)

Return false if any of the dimensions is NaN or infinite.

Definition at line 197 of file gbox.c.

{
        /* X */
        if ( ! isfinite(gbox->xmin) || isnan(gbox->xmin) ||
             ! isfinite(gbox->xmax) || isnan(gbox->xmax) )
                return LW_FALSE;
 
        /* Y */
        if ( ! isfinite(gbox->ymin) || isnan(gbox->ymin) ||
             ! isfinite(gbox->ymax) || isnan(gbox->ymax) )
                return LW_FALSE;
 
        /* Z */
        if ( FLAGS_GET_GEODETIC(gbox->flags) || FLAGS_GET_Z(gbox->flags) )
        {
                if ( ! isfinite(gbox->zmin) || isnan(gbox->zmin) ||
                     ! isfinite(gbox->zmax) || isnan(gbox->zmax) )
                        return LW_FALSE;
        }
 
        /* M */
        if ( FLAGS_GET_M(gbox->flags) )
        {
                if ( ! isfinite(gbox->mmin) || isnan(gbox->mmin) ||
                     ! isfinite(gbox->mmax) || isnan(gbox->mmax) )
                        return LW_FALSE;
        }
 
        return LW_TRUE;
}

References GBOX::flags, FLAGS_GET_GEODETIC, FLAGS_GET_M, FLAGS_GET_Z, LW_FALSE, LW_TRUE, GBOX::mmax, GBOX::mmin, GBOX::xmax, GBOX::xmin, GBOX::ymax, GBOX::ymin, GBOX::zmax, and GBOX::zmin.

Referenced by compute_gserialized_stats_mode(), and lwgeom_cluster_kmeans().

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