0032882: Modeling Data - Extrema curve/curve cannot find all solutions (OCCT 7.6 backport)

Extrema/Extrema_GenExtCC.gxx - estimation of Lipchitz constant is improved
Extrema_GlobOptFuncCC.cxx - function value is changed

LocOpe/LocOpe_WiresOnShape.cxx - small correction to fix regression

lowalgos/extcc/bug32882 - new test case is added

some test were updated according new behavior of extrema algo

tests/bugs/modalg_5/bug23706_10

@@ -13,7 +13,7 @@ set info [extrema r3 r4]
 
 if {[regexp "ext_1" $info]} {
   set dist [lindex [length ext_1] end]
-  if { $dist > 4.0e-13 } {
+  if { $dist > 5.0e-11 } {
     puts "Error: Extrema distance is too big"
   }
 } else {

tests/bugs/modalg_5/bug23706_11

@@ -10,8 +10,11 @@ bsplinecurve r1 2 5 1 3 2 1 3 1 4 1 5 3 2 5 3 1 3 7 3 1 4 8 3 1 4 8 3 1 5 9 3 1
 bsplinecurve r2 2 5 2 3 2.5 1 3 1 3.5 1 4 3 -1 2 3 1 1 11 3 1 3 9 3 1 3 9 3 1 3 9 3 1 5 7 3 1 7 4 3 1
 set info [extrema r1 r2]
 
-if { [llength $info] != 1 } {
-    puts "Error : Extrema is wrong"
+if {[regexp "ext_1" $info]} {
+  set dist [lindex [length ext_1] end]
+  if { $dist > 1.0e-8 } {
+    puts "Error: Extrema distance is too big"
+  }
 } else {
-    puts "OK: Extrema is valid"
+  puts "Error: Extrema is not found"
 }

tests/bugs/modalg_6/bug27665

@@ -5,7 +5,7 @@ puts ""
 #################################################
 # BrepExrtrema_DistShapeShape bad performance on OCCT 6.7.0
 #################################################
-cpulimit 100
+cpulimit 500
 restore [locate_data_file bug27665_wircmpd.brep] w
 explode w