Lines Matching refs:upper
101 Curve::Curve( Curve& upper, REAL value, Curve *c )
106 lower.mapdesc = upper.mapdesc;
107 lower.needsSampling = upper.needsSampling;
108 lower.order = upper.order;
109 lower.stride = upper.stride;
110 lower.cullval = upper.cullval;
112 REAL d = (value - upper.range[0]) / upper.range[2];
115 mapdesc->subdivide( upper.spts, lower.spts, d, upper.stride, upper.order );
118 mapdesc->subdivide( upper.cpts, lower.cpts, d, upper.stride, upper.order );
120 lower.range[0] = upper.range[0];
122 lower.range[2] = value - upper.range[0];
123 upper.range[0] = value;
124 upper.range[2] = upper.range[1] - value;
160 // upper bound on path length between sample points
179 // t is upper bound on path (arc) length