0024510: Remove unused local variables

When warnings are enabled, compilers report lots of occurrences
of unused local variables, which makes it harder to find other
meaningful warnings.
This commit does not fix all unused local variables.

Fix new type conversion warning

Code cleaned to avoid MSVC compiler warnings on unused function arguments.
Several useless pieces of code are removed.
Changes in IntTools_EdgeFace.cxx, Blend_Walking_1.gxx, Bnd_BoundSortBox.cxx, ProjLib_ProjectedCurve.cxx are reverted (separated to specific issue for more in-depth analysis).

src/GeometryTest/GeometryTest_APICommands.cxx

@@ -562,14 +562,9 @@ void GeometryTest::APICommands(Draw_Interpretor& theCommands)
   if (done) return;
 
   done = Standard_True;
-  const char* g;
-
-  g = "GEOMETRY curves and surfaces analysis";
 
   theCommands.Add("proj", "proj curve/surf x y z [extrema algo: g(grad)/t(tree)]",__FILE__, proj);
 
-  g = "GEOMETRY approximations";
-
   theCommands.Add("appro", "appro result nbpoint [curve]",__FILE__, appro);
   theCommands.Add("surfapp","surfapp result nbupoint nbvpoint x y z ....",
 		  __FILE__,
@@ -578,8 +573,6 @@ void GeometryTest::APICommands(Draw_Interpretor& theCommands)
        "grilapp result nbupoint nbvpoint X0 dX Y0 dY z11 z12 .. z1nu ....  ",
         __FILE__,grilapp);
 
-  g = "GEOMETRY curves and surfaces analysis";
-
   theCommands.Add("extrema", "extrema curve/surface curve/surface",__FILE__,extrema);
   theCommands.Add("totalextcc", "totalextcc curve curve",__FILE__,totalextcc);
 }

src/GeometryTest/GeometryTest_CurveCommands.cxx

@@ -418,7 +418,7 @@ static Standard_Integer project (Draw_Interpretor& di,
   Standard_Real U1,U2,V1,V2;
   GS->Bounds(U1,U2,V1,V2);
 
-  Standard_Boolean Verif = Standard_False, Extent = Standard_False;
+  Standard_Boolean Verif = Standard_False;
   Standard_Integer NbPoints=0;
 
   Standard_Integer index = 4;
@@ -430,7 +430,6 @@ static Standard_Integer project (Draw_Interpretor& di,
       Standard_Real dU = p * (U2 - U1) / 100.;
       Standard_Real dV = p * (V2 - V1) / 100.;
       U1 -= dU; U2 += dU; V1 -= dV; V2 += dV;
-      Extent = Standard_True;
     }
     else if ( a[index][1] == 'v') {
       Verif = Standard_True;
@@ -762,7 +761,7 @@ static Standard_Integer bisec (Draw_Interpretor& di,
 
 static Standard_Integer movelaw (Draw_Interpretor& di, Standard_Integer n, const char** a)
 {
-  Standard_Integer dimension,
+  Standard_Integer 
   ii,
   condition=0,
   error_status ;
@@ -774,7 +773,6 @@ static Standard_Integer movelaw (Draw_Interpretor& di, Standard_Integer n, const
   u = Draw::Atof(a[2]);
   x = Draw::Atof(a[3]);
   tolerance = 1.0e-5 ;
-  dimension = 2 ;
   if (n < 5) {
       return 1 ;
   }

src/GeometryTest/GeometryTest_FairCurveCommands.cxx

@@ -56,7 +56,6 @@ BattenCurve(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
   const char *cheigth = argv[5];
   const char *BattenName = argv[6];
 
-  Standard_Boolean Ok;
   FairCurve_AnalysisCode Iana;
   Standard_Real a1 = Draw::Atof(cangle1),
                 a2 = Draw::Atof(cangle2),
@@ -71,7 +70,7 @@ BattenCurve(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
   Bat->SetAngle1(a1*M_PI/180);
   Bat->SetAngle2(a2*M_PI/180);
   
-  Ok = Bat->Compute(Iana);
+  Bat->Compute(Iana);
   
   Handle(DrawFairCurve_Batten) aBatten = new DrawFairCurve_Batten(Bat);
 
@@ -100,7 +99,6 @@ MVCurve(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
   const char *cheigth = argv[5];
   const char *MVCName = argv[6];
 
-  Standard_Boolean Ok;
   FairCurve_AnalysisCode Iana;
   Standard_Real a1 = Draw::Atof(cangle1),
                 a2 = Draw::Atof(cangle2),
@@ -115,7 +113,7 @@ MVCurve(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
   MVC->SetAngle1(a1*M_PI/180);
   MVC->SetAngle2(a2*M_PI/180);
   
-  Ok = MVC->Compute(Iana);
+  MVC->Compute(Iana);
   
   Handle(DrawFairCurve_MinimalVariation) aMVC = new DrawFairCurve_MinimalVariation(MVC);
 

src/GeometryTest/GeometryTest_SurfaceCommands.cxx

@@ -81,9 +81,6 @@ static Standard_Integer sweep (Draw_Interpretor&,
   GeomFill_Trihedron Option = GeomFill_IsCorrectedFrenet;
   Standard_Integer ipath =2, isection =4 , NbSeg=30, MaxDegree = 10;
   Standard_Real Tol = 1.e-4;
-#if DEB
-  static Standard_Boolean AdvApprox_Debug = 1; 
-#endif
 
   if (n < 4 ) return 1;
   
@@ -161,9 +158,6 @@ static Standard_Integer tuyau (Draw_Interpretor&,
                                Standard_Integer n, const char** a)
 {
   if ( n < 4) return 1;
-#if DEB
-  static Standard_Boolean AdvApprox_Debug = 1;
-#endif 
 
   GeomAbs_Shape Cont = GeomAbs_C2;
   GeomFill_Pipe Pipe;