From d7a5a82bc5fe0e7b33aa1a59929be22764570f84 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Thu, 16 Nov 2017 19:33:57 +0100
Subject: [PATCH] Warning when there are no unknowns in the parametrization
process: fixes #319
---
Geo/discreteDiskFace.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Geo/discreteDiskFace.cpp b/Geo/discreteDiskFace.cpp
index eff590d77e..758b8ccb18 100644
--- a/Geo/discreteDiskFace.cpp
+++ b/Geo/discreteDiskFace.cpp
@@ -377,6 +377,13 @@ bool discreteDiskFace::parametrize() const
double t2 = Cpu();
Msg::Debug("Assembly done in %8.3f seconds", t2 - t1);
+
+
+ if(!myAssemblerU.sizeOfR() || !myAssemblerV.sizeOfR()){
+ Msg::Warning("No unknowns in systems to compute parametrization - skipping");
+ return false;
+ }
+
lsys_u->systemSolve();
lsys_v->systemSolve();
Msg::Debug("Systems solved");
--
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