From 299e7b2d06452066c02fdff042080a21d4f19e7f Mon Sep 17 00:00:00 2001
From: Dmitri Naumov <github@naumov.de>
Date: Tue, 6 Apr 2021 22:42:53 +0200
Subject: [PATCH] [NL] Use faster algorithm for copying.
---
NumLib/ODESolver/TimeDiscretizedODESystem.cpp | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/NumLib/ODESolver/TimeDiscretizedODESystem.cpp b/NumLib/ODESolver/TimeDiscretizedODESystem.cpp
index 227a044611b..fb0d2ed7ced 100644
--- a/NumLib/ODESolver/TimeDiscretizedODESystem.cpp
+++ b/NumLib/ODESolver/TimeDiscretizedODESystem.cpp
@@ -177,7 +177,7 @@ void TimeDiscretizedODESystem<ODESystemTag::FirstOrderImplicitQuasilinear,
std::vector<IndexType> ids;
for (auto const& bc : *_known_solutions)
{
- std::copy(bc.ids.cbegin(), bc.ids.cend(), std::back_inserter(ids));
+ ids.insert(end(ids), begin(bc.ids), end(bc.ids));
}
// For the Newton method the values must be zero
@@ -280,9 +280,8 @@ void TimeDiscretizedODESystem<ODESystemTag::FirstOrderImplicitQuasilinear,
std::vector<double> values;
for (auto const& bc : *_known_solutions)
{
- std::copy(bc.ids.cbegin(), bc.ids.cend(), std::back_inserter(ids));
- std::copy(bc.values.cbegin(), bc.values.cend(),
- std::back_inserter(values));
+ ids.insert(end(ids), begin(bc.ids), end(bc.ids));
+ values.insert(end(values), begin(bc.values), end(bc.values));
}
MathLib::applyKnownSolution(A, rhs, x, ids, values);
}
--
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