static int arc_classify	(	Arc_ptr	jarc,
		int	param,
		REAL	value
	)		`[static]`

Definition at line 404 of file intersect.cc.

Referenced by Subdivider::classify_headonleft_s(), Subdivider::classify_headonleft_t(), Subdivider::classify_headonright_s(), Subdivider::classify_headonright_t(), Subdivider::classify_tailonleft_s(), Subdivider::classify_tailonleft_t(), Subdivider::classify_tailonright_s(), and Subdivider::classify_tailonright_t().

{
    REAL tdiff, hdiff;
    if( param == 0 ) {
    tdiff = jarc->tail()[0] - value;
    hdiff = jarc->head()[0] - value;
    } else {
    tdiff = jarc->tail()[1] - value;
    hdiff = jarc->head()[1] - value;
    }

    if( tdiff > 0.0 ) {
    if( hdiff > 0.0 ) {
        return 0x11;
    } else if( hdiff == 0.0 ) {
        return 0x12;
    } else {
        return 0x10;
    }
    } else if( tdiff == 0.0 ) {
    if( hdiff > 0.0 ) {
        return 0x21;
    } else if( hdiff == 0.0 ) {
        return 0x22;
    } else {
        return 0x20;
    }
    } else {
    if( hdiff > 0.0 ) {
        return 0x01;
    } else if( hdiff == 0.0 ) {
        return 0x02;
    } else {
        return 0;
    }
    }
}

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