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Diffstat (limited to 'Source/Diagnostics/ReducedDiags/ReducedDiags.cpp')
-rw-r--r--Source/Diagnostics/ReducedDiags/ReducedDiags.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/Diagnostics/ReducedDiags/ReducedDiags.cpp b/Source/Diagnostics/ReducedDiags/ReducedDiags.cpp
index cb9448870..afc44dd74 100644
--- a/Source/Diagnostics/ReducedDiags/ReducedDiags.cpp
+++ b/Source/Diagnostics/ReducedDiags/ReducedDiags.cpp
@@ -77,7 +77,7 @@ void ReducedDiags::WriteToFile (int step) const
ofs << WarpX::GetInstance().gett_new(0);
// loop over data size and write
- for (int i = 0; i < m_data.size(); ++i)
+ for (int i = 0; i < static_cast<int>(m_data.size()); ++i)
{
ofs << m_sep;
ofs << m_data[i];