From: Denis Davydov Date: Fri, 15 Jul 2016 06:23:22 +0000 (+0200) Subject: add a note on l1_norm() for complex-valued PETSc X-Git-Tag: v8.5.0-rc1~864^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=552db284abeadd3463e0976e04e4722c87bc89e0;p=dealii.git add a note on l1_norm() for complex-valued PETSc --- diff --git a/include/deal.II/lac/petsc_vector_base.h b/include/deal.II/lac/petsc_vector_base.h index 938e1ddd9c..62dbbc04db 100644 --- a/include/deal.II/lac/petsc_vector_base.h +++ b/include/deal.II/lac/petsc_vector_base.h @@ -465,6 +465,10 @@ namespace PETScWrappers /** * $l_1$-norm of the vector. The sum of the absolute values. + * + * @note In complex-valued PETSc priori to 3.7.0 this norm is implemented + * as the sum of absolute values of real and imaginary parts of elements + * of a complex vector. */ real_type l1_norm () const;