INFO->DEBUG for sys2x2 and sys3x3_with_tol

Numeric/Numeric.cpp

-// $Id: Numeric.cpp,v 1.15 2004-05-07 18:42:49 geuzaine Exp $
+// $Id: Numeric.cpp,v 1.16 2004-05-08 00:36:00 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -130,7 +130,7 @@ int sys2x2(double mat[2][2], double b[2], double res[2])
   // TOLERANCE ! WARNING WARNING
   if(norm == 0.0 || fabs(det) / norm < 1.e-12) {
     if(norm)
-      Msg(INFO, "Assuming 2x2 matrix is singular (det/norm == %g)",
+      Msg(DEBUG, "Assuming 2x2 matrix is singular (det/norm == %.16g)",
           fabs(det) / norm);
     res[0] = res[1] = 0.0;
     return 0;
@@ -194,7 +194,7 @@ int sys3x3_with_tol(double mat[3][3], double b[3], double res[3], double *det)
   // TOLERANCE ! WARNING WARNING
   if(norm == 0.0 || fabs(*det) / norm < 1.e-12) {
     if(norm)
-      Msg(INFO, "Assuming 3x3 matrix is singular (det/norm == %g)",
+      Msg(DEBUG, "Assuming 3x3 matrix is singular (det/norm == %.16g)",
           fabs(*det) / norm);
     res[0] = res[1] = res[2] = 0.0;
     return 0;