From: young Date: Fri, 17 Aug 2012 12:29:31 +0000 (+0000) Subject: Second piecewise removal support for PETSc < 3.x. Align comments. X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b91115f377edb066bcef9a91f5b17c2a40b8092e;p=dealii-svn.git Second piecewise removal support for PETSc < 3.x. Align comments. git-svn-id: https://svn.dealii.org/trunk@26006 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/source/lac/petsc_vector_base.cc b/deal.II/source/lac/petsc_vector_base.cc index 77bff1b40d..1369aa84c7 100644 --- a/deal.II/source/lac/petsc_vector_base.cc +++ b/deal.II/source/lac/petsc_vector_base.cc @@ -238,12 +238,7 @@ namespace PETScWrappers // (see test bits/petsc_65) compress (); -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecSet (&s, vector); -#else const int ierr = VecSet (vector, s); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); return *this; @@ -407,20 +402,29 @@ namespace PETScWrappers void VectorBase::compress (::dealii::VectorOperation::values operation) { - // note that one may think that we only need to do something - // if in fact the state is anything but last_action::unknown. but - // that's not true: one frequently gets into situations where - // only one processor (or a subset of processors) actually writes - // something into a vector, but we still need to call - // VecAssemblyBegin/End on all processors. + // note that one may think that + // we only need to do something + // if in fact the state is + // anything but + // last_action::unknown. but + // that's not true: one + // frequently gets into + // situations where only one + // processor (or a subset of + // processors) actually writes + // something into a vector, but + // we still need to call + // VecAssemblyBegin/End on all + // processors. int ierr; ierr = VecAssemblyBegin(vector); AssertThrow (ierr == 0, ExcPETScError(ierr)); ierr = VecAssemblyEnd(vector); AssertThrow (ierr == 0, ExcPETScError(ierr)); - // reset the last action field to indicate that we're back to - // a pristine state + // reset the last action field to + // indicate that we're back to a + // pristine state last_action = ::dealii::VectorOperation::unknown; } @@ -757,12 +761,7 @@ namespace PETScWrappers Assert (numbers::is_finite(a), ExcNumberNotFinite()); -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecScale (&a, vector); -#else const int ierr = VecScale (vector, a); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); return *this; @@ -777,15 +776,9 @@ namespace PETScWrappers Assert (numbers::is_finite(a), ExcNumberNotFinite()); const PetscScalar factor = 1./a; - Assert (numbers::is_finite(factor), ExcNumberNotFinite()); -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecScale (&factor, vector); -#else const int ierr = VecScale (vector, factor); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); return *this; @@ -796,13 +789,7 @@ namespace PETScWrappers VectorBase & VectorBase::operator += (const VectorBase &v) { -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const PetscScalar one = 1.0; - const int ierr = VecAXPY (&one, v, vector); -#else const int ierr = VecAXPY (vector, 1, v); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); return *this; @@ -813,13 +800,7 @@ namespace PETScWrappers VectorBase & VectorBase::operator -= (const VectorBase &v) { -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const PetscScalar minus_one = -1.0; - const int ierr = VecAXPY (&minus_one, v, vector); -#else const int ierr = VecAXPY (vector, -1, v); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); return *this; @@ -830,15 +811,9 @@ namespace PETScWrappers void VectorBase::add (const PetscScalar s) { - Assert (numbers::is_finite(s), ExcNumberNotFinite()); -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecShift (&s, vector); -#else const int ierr = VecShift (vector, s); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); } @@ -856,15 +831,9 @@ namespace PETScWrappers VectorBase::add (const PetscScalar a, const VectorBase &v) { - Assert (numbers::is_finite(a), ExcNumberNotFinite()); -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecAXPY (&a, v, vector); -#else const int ierr = VecAXPY (vector, a, v); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); } @@ -876,19 +845,13 @@ namespace PETScWrappers const PetscScalar b, const VectorBase &w) { - Assert (numbers::is_finite(a), ExcNumberNotFinite()); Assert (numbers::is_finite(b), ExcNumberNotFinite()); const PetscScalar weights[2] = {a,b}; Vec addends[2] = {v.vector, w.vector}; -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecMAXPY (2, weights, vector, addends); -#else const int ierr = VecMAXPY (vector, 2, weights, addends); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); } @@ -898,15 +861,9 @@ namespace PETScWrappers VectorBase::sadd (const PetscScalar s, const VectorBase &v) { - Assert (numbers::is_finite(s), ExcNumberNotFinite()); -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecAYPX (&s, v, vector); -#else const int ierr = VecAYPX (vector, s, v); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); } @@ -937,7 +894,6 @@ namespace PETScWrappers const PetscScalar b, const VectorBase &w) { - Assert (numbers::is_finite(s), ExcNumberNotFinite()); Assert (numbers::is_finite(a), ExcNumberNotFinite()); Assert (numbers::is_finite(b), ExcNumberNotFinite()); @@ -949,12 +905,7 @@ namespace PETScWrappers const PetscScalar weights[2] = {a,b}; Vec addends[2] = {v.vector,w.vector}; -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecMAXPY (2, weights, vector, addends); -#else const int ierr = VecMAXPY (vector, 2, weights, addends); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); } @@ -982,12 +933,7 @@ namespace PETScWrappers const PetscScalar weights[3] = {a,b,c}; Vec addends[3] = {v.vector, w.vector, x.vector}; -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecMAXPY (3, weights, vector, addends); -#else const int ierr = VecMAXPY (vector, 3, weights, addends); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); } @@ -1052,12 +998,7 @@ namespace PETScWrappers VectorBase::ratio (const VectorBase &a, const VectorBase &b) { -#if DEAL_II_PETSC_VERSION_LT(2,3,0) - const int ierr = VecPointwiseDivide (a, b, vector); -#else const int ierr = VecPointwiseDivide (vector, a, b); -#endif - AssertThrow (ierr == 0, ExcPETScError(ierr)); }