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Add API call to reset memory selection #4169

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Merged
merged 2 commits into from
May 24, 2024
Merged

Add API call to reset memory selection #4169

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9761783
Add API to reset memory selection
franzpoeschel May 21, 2024
591f017
clang-format
franzpoeschel May 22, 2024
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2 changes: 1 addition & 1 deletion bindings/CXX11/adios2/cxx11/Variable.h
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Expand Up @@ -214,7 +214,7 @@ class Variable
* variable.Count() = {Ny,Nx}, then memoryCount = {Ny+2,Nx+2}
* </pre>
*/
void SetMemorySelection(const adios2::Box<adios2::Dims> &memorySelection);
void SetMemorySelection(const adios2::Box<adios2::Dims> &memorySelection = {{}, {}});

/**
* Sets a step selection modifying current startStep, countStep
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7 changes: 7 additions & 0 deletions source/adios2/core/VariableBase.cpp
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Expand Up @@ -221,6 +221,13 @@ void VariableBase::SetMemorySelection(const Box<Dims> &memorySelection)
const Dims &memoryStart = memorySelection.first;
const Dims &memoryCount = memorySelection.second;

if (memoryStart.empty() && memoryCount.empty())
{
m_MemoryStart.clear();
m_MemoryCount.clear();
return;
}

if (m_SingleValue)
{
helper::Throw<std::invalid_argument>("Core", "VariableBase", "SetMemorySelection",
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