ENH: Added vlErroMacro().

src/Mat4x4.cc

@@ -73,8 +73,7 @@ void vlMatrix4x4::Invert (vlMatrix4x4 in,vlMatrix4x4 & out)
 
   det = in.Determinant(in);
   if ( fabs( det ) < SMALL_NUMBER) {
-    cerr << "Singular matrix, no inverse! Determinant = ";
-    cerr << det;
+    vlErrorMacro(<< "Singular matrix, no inverse! Determinant= " << det <<"\n");
     det = 0.0;
     return;
   }

src/RenderC.cc

@@ -58,7 +58,7 @@ vlRenderer *vlRendererCollection::GetMember(int num)
 
   if (num > this->NumberOfItems)
     {
-    cerr << "Renderer: Requesting illegal index\n";
+    vlErrorMacro(<< "Renderer: Requesting illegal index\n");
     return this->Top->Renderer;
     }
 

src/Trans.cc

@@ -258,19 +258,19 @@ void vlTransform::Scale ( float x, float y, float z)
 
     ctm.Element[0][0] = x;
     if (ctm.Element[0][0] == 0.0) {
-      cerr <<  "vlTransform::scale: x scale is 0.0, reset to 1.0\n";
+      vlErrorMacro(<< "scale: x scale is 0.0, reset to 1.0\n");
       ctm.Element[0][0] = 1.0;
     }
 
     ctm.Element[1][1] = y;
     if (ctm.Element[1][1] == 0.0) {
-      cerr <<  "vlTransform::scale: y scale is 0.0, reset to 1.0\n";
+      vlErrorMacro(<<  "scale: y scale is 0.0, reset to 1.0\n");
       ctm.Element[1][1] = 1.0;
     }
 
     ctm.Element[2][2] = z;
     if (ctm.Element[2][2] == 0.0) {
-      cerr <<  "vlTransform::scale: z scale is 0.0, reset to 1.0\n";
+      vlErrorMacro(<< "scale: z scale is 0.0, reset to 1.0\n");
       ctm.Element[2][2] = 1.0;
     }