From: Daniel Arndt Date: Tue, 23 Jun 2020 16:07:47 +0000 (-0400) Subject: Add missing forward declaration in slepc_spectral_transformation.h X-Git-Tag: v9.3.0-rc1~1392^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff745e29723024da8e6363161424102535709483;p=dealii.git Add missing forward declaration in slepc_spectral_transformation.h Co-authored-by: Alex Kokomov --- diff --git a/include/deal.II/lac/slepc_spectral_transformation.h b/include/deal.II/lac/slepc_spectral_transformation.h index 12ed606d84..da6a94767d 100644 --- a/include/deal.II/lac/slepc_spectral_transformation.h +++ b/include/deal.II/lac/slepc_spectral_transformation.h @@ -44,6 +44,9 @@ namespace PETScWrappers namespace SLEPcWrappers { + // forward declaration + class SolverBase; + /** * Base class for spectral transformation classes using the SLEPc solvers * which are selected based on flags passed to the spectral transformation.