- renamed test_petsc --> test_linearsolvers

- now HAVE_PETSC_H and HAVE_UMFPACK_H defined or not defined in lifeconfig.h
  handles the cases where petsc and umfpack may be installed or not installed
- preliminary work on adding test for umfpack (full commit soon)
- moved finite difference  matrices (mass matrix and convection/diffusion)
  to MatrixTest.{h,c}pp

configure.in.in

@@ -76,6 +76,8 @@ dnl libm
 AC_CHECK_LIB(m,cos,[LIBS="-lm ${LIBS}"],${LIBS})
 dnl umfpack
 AC_CHECK_UMFPACK(4.3.0) # at least umfpack 4.3
+AM_CONDITIONAL(HAVE_UMFPACK, test "x$umfpack_libs" != "x" )
+
 dnl aztec
 AC_CHECK_AZTEC
 dnl petsc

life/lifealg/SolverPETSC.cpp

@@ -4,7 +4,7 @@
  
   Author: Christophe Prud'homme <christophe.prudhomme@epfl.ch>
  
-  Copyright (C) 2004 EPFL, INRIA, Politecnico di Milano
+  Copyright (C) 2004 EPFL
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public

life/lifealg/SolverPETSC.hpp

@@ -4,7 +4,7 @@
 
   Author: Christophe Prud'homme <christophe.prudhomme@epfl.ch>
 
-  Copyright (C) 2004 EPFL, INRIA, Politecnico di Milano
+  Copyright (C) 2004 EPFL
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public