box2df_size()

static float box2df_size ( const BOX2DF *  a )

static

Definition at line 226 of file gserialized_gist_2d.c.

{
        float result;
 
        if ( a == NULL || box2df_is_empty(a) )
                return (float)0.0;
 
        if ( (a->xmax <= a->xmin) || (a->ymax <= a->ymin) )
        {
                result =  (float) 0.0;
        }
        else
        {
                result = (((double) a->xmax)-((double) a->xmin)) * (((double) a->ymax)-((double) a->ymin));
        }
 
        return result;
}

References box2df_is_empty().

Referenced by box2df_union_size(), and gserialized_gist_penalty_2d().

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