From 511066ef9eb98c525a82775cb729ff28d789dfa8 Mon Sep 17 00:00:00 2001
From: Cristian C Lalescu <Cristian.Lalescu@ds.mpg.de>
Date: Tue, 29 May 2018 12:36:34 +0200
Subject: [PATCH] output more sensible error

---
 tests/misc/run.sh      | 2 +-
 tests/misc/test_fftw.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/misc/run.sh b/tests/misc/run.sh
index 48120912..ada649ca 100644
--- a/tests/misc/run.sh
+++ b/tests/misc/run.sh
@@ -1,2 +1,2 @@
 make
-mpirun -np 4 -x OMP_NUM_THREADS=1 test_fftw
+mpirun -np 2 -x OMP_NUM_THREADS=1 test_fftw
diff --git a/tests/misc/test_fftw.c b/tests/misc/test_fftw.c
index df4dc2eb..6da0099c 100644
--- a/tests/misc/test_fftw.c
+++ b/tests/misc/test_fftw.c
@@ -305,8 +305,8 @@ int main(
     //L2norm1 = sqrt(L2norm1 / (nx*ny*nz));
     //L2norm2 = sqrt(L2norm2 / (nx*ny*nz));
 
-    printf("L2normk = %g, L2norm1 = %g, normed_diff = %g\n",
-            L2normk, L2norm1, fabs(L2normk - L2norm1)/npoints);
+    printf("L2normk = %g, L2norm1 = %g, relative error = %g\n",
+            L2normk, L2norm1, fabs(L2normk - L2norm1) / (L2normk));
 
     // deallocate
     fftwf_destroy_plan(r2c_plan);
-- 
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