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0031407: [Regression to 7.3.0] Extrema does not process parallel circles correctly

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Use correct ranges of circles when processing the concentric case. Repeat the range comparison 3 times shifting each time for a half-period to process the extrema between boundary points of arcs.
This commit is contained in:
azv
2020-03-05 11:07:37 +03:00
committed by bugmaster
parent e5c11edd7b
commit d6e18114eb
4 changed files with 53 additions and 5 deletions
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13
tests/bugs/modalg_7/bug31407_1 Normal file
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puts "========"
puts "0031407: Extrema does not process parallel circles correctly"
puts "========"
puts ""
circle c1 0 0 0 0 0 1 5
circle c2 0 0 0 0 0 1 10
if { [regexp "Infinite number of extremas" [extrema c1 c2]] == 1} {
puts "OK : Circles are treated as concentric"
} else {
puts "Error : Extrema does not find the circles are parallel"
}

13
tests/bugs/modalg_7/bug31407_2 Normal file
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puts "========"
puts "0031407: Extrema does not process parallel circles correctly"
puts "========"
puts ""
circle c1 0 0 0 0 0 -1 5
circle c2 0 0 0 0 0 1 10
if { [regexp "Infinite number of extremas" [extrema c1 c2]] == 1} {
puts "OK : Circles are treated as concentric"
} else {
puts "Error : Extrema does not find the circles are parallel"
}

20
tests/bugs/modalg_7/bug31407_3 Normal file
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puts "========"
puts "0031407: Extrema does not process parallel circles correctly"
puts "========"
puts ""
circle c1 0 0 0 0 0 1 5
circle c2 0 0 0 0 0 1 10
trim cc1 c1 0 2
trim cc2 c2 2 4
set res_extrema [extrema cc1 cc2]
if { [regexp "Infinite number of extremas" $res_extrema] == 0} {
if {[llength $res_extrema] != 1} {
puts "Error : expected 1 extrema, but found [llength $res_extrema]"
}
} else {
puts "Error : Infinite number of extremas is found"
}