Merge pull request #1041 from williamfgc/set_shape (340ed86d) · Commits · Podhorszki, Norbert / ADIOS2

bindings/C/c/adios2_c_variable.cpp

+25 −0

Original line number	Diff line number	Diff line
		@@ -79,6 +79,31 @@ adios2_shapeid adios2_ToShapeID(const adios2::ShapeID shapeIDCpp,
		extern "C" {
		#endif

		adios2_error adios2_set_shape(adios2_variable *variable, const size_t ndims,
		const size_t *shape)
		{
		try
		{
		adios2::helper::CheckForNullptr(variable,
		"for adios2_variable, in call to "
		"adios2_set_shape");
		adios2::helper::CheckForNullptr(shape, "for start, in call to "
		"adios2_set_shape");

		adios2::core::VariableBase *variableBase =
		reinterpret_cast<adios2::core::VariableBase *>(variable);

		const adios2::Dims shapeV(shape, shape + ndims);
		variableBase->SetShape(shapeV);
		return adios2_error_none;
		}
		catch (...)
		{
		return static_cast<adios2_error>(
		adios2::helper::ExceptionToError("adios2_set_shape"));
		}
		}

		adios2_error adios2_set_selection(adios2_variable *variable, const size_t ndims,
		const size_t start, const size_t count)
		{

+11 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,17 @@
		extern "C" {
		#endif

		/**
		* Set new shape, care must be taken when reading back the variable for
		* different steps. Only applies to Global arrays.
		* @param variable handler for which new selection will be applied to
		* @param ndims number of dimensions for start and count
		* @param shape new shape dimensions array
		* @return adios2_error 0: success, see enum adios2_error for errors
		*/
		adios2_error adios2_set_shape(adios2_variable *variable, const size_t ndims,
		const size_t *shape);

		/**
		* Set new start and count dimensions
		* @param variable handler for which new selection will be applied to

+8 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,14 @@ namespace adios2
		} \
		\
		template <> \
		void Variable<T>::SetShape(const Dims &shape) \
		{ \
		helper::CheckForNullptr(m_Variable, \
		"in call to Variable<T>::SetShape"); \
		m_Variable->SetShape(shape); \
		} \
		\
		template <> \
		void Variable<T>::SetSelection(const Box<Dims> &selection) \
		{ \
		helper::CheckForNullptr(m_Variable, \

+7 −0

Original line number	Diff line number	Diff line
		@@ -52,6 +52,13 @@ public:
		/** Checks if object is valid, e.g. if( variable ) { //..valid } */
		explicit operator bool() const noexcept;

		/**
		* Set new shape, care must be taken when reading back the variable for
		* different steps. Only applies to Global arrays.
		* @param shape new shape dimensions array
		*/
		void SetShape(const adios2::Dims &shape);

		/**
		* Sets a variable selection modifying current {start, count}
		* Count is the dimension from Start point

+37 −0

Original line number	Diff line number	Diff line
		@@ -97,6 +97,43 @@ void FC_GLOBAL(adios2_variable_steps_f2c,
		}
		}

		void FC_GLOBAL(adios2_set_shape_f2c,
		ADIOS2_SET_SHAPE_F2C)(adios2_variable **variable,
		const int ndims, const int64_t shape,
		int *ierr)
		{
		auto lf_IntToSizeT = [](const int64_t *dimensions, const int size,
		std::vector<std::size_t> &output) {

		output.resize(size);

		for (auto d = 0; d < size; ++d)
		{
		output[d] = dimensions[d];
		}

		};

		try
		{
		if (shape == nullptr \|\| ndims == nullptr)
		{
		throw std::invalid_argument(
		"ERROR: either shape_dims, or ndims is a null pointer, in call "
		"to adios2_set_shape\n");
		}
		std::vector<std::size_t> shapeV;
		lf_IntToSizeT(shape, *ndims, shapeV);
		*ierr = static_cast<int>(
		adios2_set_shape(variable, ndims, shapeV.data()));
		}
		catch (...)
		{
		*ierr = static_cast<int>(
		adios2::helper::ExceptionToError("adios2_set_shape"));
		}
		}

		void FC_GLOBAL(adios2_set_selection_f2c,
		ADIOS2_SET_SELECTION_F2C)(adios2_variable **variable,
		const int ndims, const int64_t start,