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123 double xx = x;125 double magmag = sqrt(xx * xx + yy * yy);142 double xx = dx;144 return (float)sqrt(xx * xx + yy * yy);169 double xx = x;171 scale = (float)(length / sqrt(xx * xx + yy * yy));195 double xx = x;197 scale = (float)(length / sqrt(xx * xx + yy * yy));