From b5c9663a16980cef9cb7d9f1f46f87effb15f7d6 Mon Sep 17 00:00:00 2001
From: Elias Pipping <elias.pipping@fu-berlin.de>
Date: Mon, 11 Jul 2016 21:37:37 +0200
Subject: [PATCH] Tests: Use C++11 random facilities
---
dune/solvers/test/common.hh | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/dune/solvers/test/common.hh b/dune/solvers/test/common.hh
index de788e3e..6dcaacdb 100644
--- a/dune/solvers/test/common.hh
+++ b/dune/solvers/test/common.hh
@@ -3,6 +3,7 @@
#ifndef DUNE_SOLVERS_TESTS_COMMON_HH
#define DUNE_SOLVERS_TESTS_COMMON_HH
+#include <random>
#include <dune/common/fvector.hh>
#include <dune/common/fmatrix.hh>
@@ -393,6 +394,9 @@ public:
}
void randomize() {
+ std::default_random_engine generator;
+ std::uniform_real_distribution<double> distribution(-1, 1);
+
// Set up a random 'solution'
u = 0;
for (size_t i = 0; i < u.size(); ++i)
@@ -400,7 +404,7 @@ public:
// Make the matrix positive-definitive
if (not trivialDirichletOnly)
A[i][i][j][j] += 0.5*std::abs(A[0][0][0][0]);
- u_ex[i][j] = (1.0 * rand()) / RAND_MAX;
+ u_ex[i][j] = distribution(generator);
}
// Construct right hand side corresponding to the 'solution'
--
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