ptarray_same()

char ptarray_same	(	const POINTARRAY *	pa1,
		const POINTARRAY *	pa2
	)

Definition at line 479 of file ptarray.c.

References POINTARRAY::flags, FLAGS_GET_ZM, getPoint_internal(), LW_FALSE, LW_TRUE, LWDEBUG, LWDEBUGF, POINTARRAY::npoints, and ptarray_point_size().

Referenced by lwcircstring_same(), lwline_same(), lwpoint_same(), lwpoly_same(), lwtriangle_is_repeated_points(), and lwtriangle_same().

{
        uint32_t i;
        size_t ptsize;

        if ( FLAGS_GET_ZM(pa1->flags) != FLAGS_GET_ZM(pa2->flags) ) return LW_FALSE;
        LWDEBUG(5,"dimensions are the same");

        if ( pa1->npoints != pa2->npoints ) return LW_FALSE;
        LWDEBUG(5,"npoints are the same");

        ptsize = ptarray_point_size(pa1);
        LWDEBUGF(5, "ptsize = %d", ptsize);

        for (i=0; i<pa1->npoints; i++)
        {
                if ( memcmp(getPoint_internal(pa1, i), getPoint_internal(pa2, i), ptsize) )
                        return LW_FALSE;
                LWDEBUGF(5,"point #%d is the same",i);
        }

        return LW_TRUE;
}

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