5 #################################################
6 # Extrema algorithm raises exception
7 #################################################
9 # Extrema between parallel lines
15 regexp {Infinite number of extremas, distance = +([-0-9.+eE]+)} [extrema c1 c2] full aDist1
16 checkreal Distance $aDist1 [expr sqrt(106.0)] 0.0 1.0e-8
18 regexp {Infinite number of extremas, distance = +([-0-9.+eE]+)} [extrema c2 c1] full aDist2
19 checkreal Distance $aDist2 [expr sqrt(106.0)] 0.0 1.0e-8