From 656f627df44ff9325a1b44fcca4bb68a668b9a8c Mon Sep 17 00:00:00 2001
From: William F Godoy <williamfgc@yahoo.com>
Date: Wed, 9 Aug 2017 17:14:20 -0400
Subject: [PATCH] ReadMe.md, tests and cmake infrastructure
Added GetVariableBase* in IO needed by C bindings and real-time
applications, nullptr is a valid state in return.
Added c bindings test under testing/adios2/bindings/c
Updating ReadMe.md to include ADIOS2_USE_C for C bindings
---
ReadMe.md | 2 +
bindings/c/Makefile | 17 ---
bindings/c/adios2/adios2_c_enums.h | 2 +
bindings/c/adios2_c.cpp | 14 +++
bindings/c/adios2_c.h | 49 ++++----
source/adios2/core/IO.cpp | 22 ++++
source/adios2/core/IO.h | 8 ++
testing/adios2/bindings/CMakeLists.txt | 4 +
testing/adios2/bindings/c/CMakeLists.txt | 17 +++
testing/adios2/bindings/c/SmallTestData_c.h | 36 ++++++
testing/adios2/bindings/c/TestBPWriteTypes.c | 106 ++++++++++++++++++
.../bindings/c/TestBPWriteTypes_nompi.c | 96 ++++++++++++++++
testing/adios2/engine/SmallTestData.h | 2 +
13 files changed, 338 insertions(+), 37 deletions(-)
delete mode 100644 bindings/c/Makefile
create mode 100644 testing/adios2/bindings/c/CMakeLists.txt
create mode 100644 testing/adios2/bindings/c/SmallTestData_c.h
create mode 100644 testing/adios2/bindings/c/TestBPWriteTypes.c
create mode 100644 testing/adios2/bindings/c/TestBPWriteTypes_nompi.c
diff --git a/ReadMe.md b/ReadMe.md
index 5781eadd3..273e623d1 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -72,6 +72,7 @@ ADIOS2 build configuration:
HDF5 : ON
ADIOS1 : OFF
Python : ON
+ C : ON
SysVShMem: ON
-- Configuring done
@@ -92,6 +93,7 @@ The following options can be specified with CMake's `-DVAR=VALUE` syntax to cont
| `ADIOS2_USE_HDF5` | **`AUTO`**/``ON``/``OFF`` | Enable the [HDF5](https://www.hdfgroup.org) engine. |
| `ADIOS2_USE_ADIOS1` | **`AUTO`**/``ON``/``OFF`` | Enable the [ADIOS 1.x](https://www.olcf.ornl.gov/center-projects/adios/) engine. |
| `ADIOS2_USE_Python` | **`AUTO`**/``ON``/``OFF`` | Enable the Python >= 2.7 bindings. |
+| `ADIOS2_USE_C` | **`AUTO`**/``ON``/``OFF`` | Enable the C bindings library libadios2_c.so or libadios2_c.a |
Note: The `ADIOS2_USE_HDF5` and `ADIOS2_USE_ADIOS1` options require the use of a matching serial or parallel version depending on whether `ADIOS2_USE_MPI` is enabled. SImilary, enabling MPI and Python bindings requires the presence of `mpi4py`.
diff --git a/bindings/c/Makefile b/bindings/c/Makefile
deleted file mode 100644
index 2ee447c4b..000000000
--- a/bindings/c/Makefile
+++ /dev/null
@@ -1,17 +0,0 @@
-
-
-CXX=mpic++
-CXXFLAGS=-O0 -g -Wall -std=c++11 -fPIC
-BASE=adios2_c
-
-ADIOS2_DIR=/home/wfg/tmp/adios2
-
-all: $(BASE).h $(BASE).o $(BASE)_enums.h
- $(CXX) -shared $(BASE).o -o libadios2_c.so -I./ -I$(ADIOS2_DIR)/include -L$(ADIOS2_DIR)/lib -ladios2 -ldataman
-
-
-$(BASE).o: $(BASE).cpp
- $(CXX) $(CXXFLAGS) $(BASE).cpp -c -I./ -I$(ADIOS2_DIR)/include
-
-clean:
- rm libadios2_c.so $(BASE).o
\ No newline at end of file
diff --git a/bindings/c/adios2/adios2_c_enums.h b/bindings/c/adios2/adios2_c_enums.h
index c10474464..4e00527ef 100644
--- a/bindings/c/adios2/adios2_c_enums.h
+++ b/bindings/c/adios2/adios2_c_enums.h
@@ -29,6 +29,8 @@ typedef enum {
adios2_type_string,
adios2_type_char,
+ adios2_type_signed_char,
+
adios2_type_short,
adios2_type_int,
adios2_type_long_int,
diff --git a/bindings/c/adios2_c.cpp b/bindings/c/adios2_c.cpp
index 432a3dac4..0e282216a 100644
--- a/bindings/c/adios2_c.cpp
+++ b/bindings/c/adios2_c.cpp
@@ -91,6 +91,12 @@ adios2_define_variable(adios2_IO *io, const char *name, const adios2_type type,
name, shapeV, startV, countV, constantSizeBool));
break;
+ case (adios2_type_signed_char):
+ variable = dynamic_cast<adios2::Variable<signed char> *>(
+ &ioCpp.DefineVariable<char>(name, shapeV, startV, countV,
+ constantSizeBool));
+ break;
+
case (adios2_type_short):
variable = dynamic_cast<adios2::Variable<short> *>(
&ioCpp.DefineVariable<short>(name, shapeV, startV, countV,
@@ -222,6 +228,14 @@ adios2_define_variable(adios2_IO *io, const char *name, const adios2_type type,
return reinterpret_cast<adios2_Variable *>(variable);
}
+adios2_Variable *adios2_get_variable(adios2_IO *io, const char *name)
+{
+ adios2::VariableBase *variable =
+ reinterpret_cast<adios2::IO *>(io)->GetVariableBase(name);
+
+ return reinterpret_cast<adios2_Variable *>(variable);
+}
+
void adios2_set_engine(adios2_IO *io, const char *engine_type)
{
reinterpret_cast<adios2::IO *>(io)->SetEngine(engine_type);
diff --git a/bindings/c/adios2_c.h b/bindings/c/adios2_c.h
index c0d94164e..2e85b9dc4 100644
--- a/bindings/c/adios2_c.h
+++ b/bindings/c/adios2_c.h
@@ -76,26 +76,6 @@ adios2_ADIOS *adios2_init_nompi(const adios2_debug_mode debug_mode);
*/
adios2_IO *adios2_declare_io(adios2_ADIOS *adios, const char *io_name);
-/**
- *
- * @param io handler that owns the variable
- * @param name unique variable name inside IO handler
- * @param type primitive type
- * @param ndims number of dimensions
- * @param shape total MPI dimensions
- * @param start local MPI start (offset)
- * @param count local MPI count
- * @param constant_size adios2_constant_dims_true: shape, start and count are
- * constant, or
- * adios2_constant_size_false
- * @return variable handler
- */
-adios2_Variable *
-adios2_define_variable(adios2_IO *io, const char *name, const adios2_type type,
- const size_t ndims, const size_t *shape,
- const size_t *start, const size_t *count,
- const adios2_constant_dims constant_dims);
-
/**
* Sets engine type for current io handler
* @param io handler
@@ -132,6 +112,35 @@ void adios2_set_transport_param(adios2_IO *io,
const unsigned int transport_index,
const char *key, const char *value);
+/**
+ *
+ * @param io handler that owns the variable
+ * @param name unique variable name inside IO handler
+ * @param type primitive type
+ * @param ndims number of dimensions
+ * @param shape total MPI dimensions
+ * @param start local MPI start (offset)
+ * @param count local MPI count
+ * @param constant_size adios2_constant_dims_true: shape, start and count are
+ * constant, or
+ * adios2_constant_size_false
+ * @return variable handler
+ */
+adios2_Variable *
+adios2_define_variable(adios2_IO *io, const char *name, const adios2_type type,
+ const size_t ndims, const size_t *shape,
+ const size_t *start, const size_t *count,
+ const adios2_constant_dims constant_dims);
+
+/**
+ * Returns a handler to a previously defined variable identified by a unique
+ * name
+ * @param io handler to variable io owner
+ * @param name unique name input
+ * @return variable handler if found
+ */
+adios2_Variable *adios2_get_variable(adios2_IO *io, const char *name);
+
/**
* Create an adios2_Engine, from adios2_IO, that executes all IO operations.
* Resuse MPI_Comm passed to adios2_ADIOS that created adios2_IO io
diff --git a/source/adios2/core/IO.cpp b/source/adios2/core/IO.cpp
index 55146f100..6a6d0d776 100644
--- a/source/adios2/core/IO.cpp
+++ b/source/adios2/core/IO.cpp
@@ -112,6 +112,28 @@ VariableCompound &IO::GetVariableCompound(const std::string &name)
return m_Compound.at(GetMapIndex(name, m_Variables, "VariableCompound"));
}
+VariableBase *IO::GetVariableBase(const std::string &name) noexcept
+{
+ VariableBase *variableBase = nullptr;
+ auto itVariable = m_Variables.find(name);
+ if (itVariable == m_Variables.end())
+ {
+ return variableBase;
+ }
+
+ const std::string type(itVariable->second.first);
+ if (type == "compound")
+ {
+ variableBase = &GetVariableCompound(name);
+ }
+#define declare_type(T) \
+ else if (type == GetType<T>()) { variableBase = &GetVariable<T>(name); }
+ ADIOS2_FOREACH_TYPE_1ARG(declare_type)
+#undef declare_type
+
+ return variableBase;
+}
+
std::string IO::GetVariableType(const std::string &name) const
{
std::string type;
diff --git a/source/adios2/core/IO.h b/source/adios2/core/IO.h
index 01c7ad427..7a3d689ca 100644
--- a/source/adios2/core/IO.h
+++ b/source/adios2/core/IO.h
@@ -206,6 +206,14 @@ public:
template <class T>
Variable<T> &GetVariable(const std::string &name);
+ /**
+ * Runtime function: return a pointer to VariableBase
+ * @param name unique variable identifier
+ * @return nullptr if not found, pointer to VariableBase if variable is
+ * found
+ */
+ VariableBase *GetVariableBase(const std::string &name) noexcept;
+
/**
* Gets an existing variable of compound type by name
* @param name of variable to be retrieved
diff --git a/testing/adios2/bindings/CMakeLists.txt b/testing/adios2/bindings/CMakeLists.txt
index 8aa1ecd22..e7b873c60 100644
--- a/testing/adios2/bindings/CMakeLists.txt
+++ b/testing/adios2/bindings/CMakeLists.txt
@@ -6,3 +6,7 @@
if(ADIOS2_HAVE_Python)
add_subdirectory(python)
endif()
+
+if(ADIOS2_HAVE_C)
+ add_subdirectory(c)
+endif()
\ No newline at end of file
diff --git a/testing/adios2/bindings/c/CMakeLists.txt b/testing/adios2/bindings/c/CMakeLists.txt
new file mode 100644
index 000000000..ce9b7301f
--- /dev/null
+++ b/testing/adios2/bindings/c/CMakeLists.txt
@@ -0,0 +1,17 @@
+#------------------------------------------------------------------------------#
+# Distributed under the OSI-approved Apache License, Version 2.0. See
+# accompanying file Copyright.txt for details.
+#------------------------------------------------------------------------------#
+
+if(NOT ADIOS2_HAVE_MPI)
+ add_executable(TestBPWriteTypes_c TestBPWriteTypes_nompi.c)
+ target_link_libraries(TestBPWriteTypes_c adios2_c adios2)
+endif()
+
+if(ADIOS2_HAVE_MPI)
+ add_executable(TestBPWriteTypes_c TestBPWriteTypes.c)
+ target_include_directories(TestBPWriteTypes_c PRIVATE ${MPI_C_INCLUDE_PATH})
+ target_link_libraries(TestBPWriteTypes_c adios2_c adios2 ${MPI_C_LIBRARIES})
+endif()
+
+add_test(NAME BPWrite_c COMMAND TestBPWriteTypes_c)
\ No newline at end of file
diff --git a/testing/adios2/bindings/c/SmallTestData_c.h b/testing/adios2/bindings/c/SmallTestData_c.h
new file mode 100644
index 000000000..09ad0b7c3
--- /dev/null
+++ b/testing/adios2/bindings/c/SmallTestData_c.h
@@ -0,0 +1,36 @@
+/*
+ * Distributed under the OSI-approved Apache License, Version 2.0. See
+ * accompanying file Copyright.txt for details.
+ */
+
+#ifndef TESTING_ADIOS2_BINDINGS_C_SMALLTESTDATA_C_H_
+#define TESTING_ADIOS2_BINDINGS_C_SMALLTESTDATA_C_H_
+
+size_t data_Nx = 10;
+char data_I8[10] = {0, 1, -2, 3, -4, 5, -6, 7, -8, 9};
+signed char data_SI8[10] = {0, -1, 2, -3, 4, -5, 6, -7, 8, -9};
+short data_I16[10] = {512, 513, -510, 515, -508, 517, -506, 519, -504, 521};
+int data_I32[10] = {131072, 131073, -131070, 131075, -131068,
+ 131077, -131066, 131079, -131064, 131081};
+long int data_I64[10] = {8589934592, 8589934593, -8589934590, 8589934595,
+ -8589934588, 8589934597, -8589934586, 8589934599,
+ -8589934584, 8589934601};
+
+unsigned char data_U8[10] = {128, 129, 130, 131, 132, 133, 134, 135, 136, 137};
+
+unsigned short data_U16[10] = {32768, 32769, 32770, 32771, 32772,
+ 32773, 32774, 32775, 32776, 32777};
+
+unsigned int data_U32[10] = {2147483648, 2147483649, 2147483650, 2147483651,
+ 2147483652, 2147483653, 2147483654, 2147483655,
+ 2147483656, 2147483657};
+
+unsigned long int data_U64[10] = {9223372036854775808UL, 9223372036854775809UL,
+ 9223372036854775810UL, 9223372036854775811UL,
+ 9223372036854775812UL, 9223372036854775813UL,
+ 9223372036854775814UL, 9223372036854775815UL,
+ 9223372036854775816UL, 9223372036854775817UL};
+float data_R32[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+double data_R64[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+
+#endif /* TESTING_ADIOS2_BINDINGS_C_SMALLTESTDATA_C_H_ */
diff --git a/testing/adios2/bindings/c/TestBPWriteTypes.c b/testing/adios2/bindings/c/TestBPWriteTypes.c
new file mode 100644
index 000000000..4adf7122f
--- /dev/null
+++ b/testing/adios2/bindings/c/TestBPWriteTypes.c
@@ -0,0 +1,106 @@
+/*
+ * Distributed under the OSI-approved Apache License, Version 2.0. See
+ * accompanying file Copyright.txt for details.
+ *
+ * TestBPWriteTypes.c
+ *
+ * Created on: Aug 9, 2017
+ * Author: wgodoy
+ */
+
+#include <mpi.h>
+
+#include <adios2_c.h>
+
+#include "SmallTestData_c.h"
+
+int main(int argc, char *argv[])
+{
+ MPI_Init(&argc, &argv);
+ int rank, size;
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+ MPI_Comm_size(MPI_COMM_WORLD, &size);
+
+ adios2_ADIOS *adiosH = adios2_init(MPI_COMM_WORLD, adios2_debug_mode_on);
+
+ // IO
+ adios2_IO *ioH = adios2_declare_io(adiosH, "CArrayTypes");
+ // Set engine parameters
+ adios2_set_engine(ioH, "BPFileWriter");
+ adios2_set_param(ioH, "ProfileUnits", "Microseconds");
+ adios2_set_param(ioH, "Threads", "1");
+
+ // Set transport and parameters
+ const unsigned int transportID = adios2_add_transport(ioH, "File");
+ adios2_set_transport_param(ioH, transportID, "library", "fstream");
+
+ // count dims are allocated in stack
+ size_t count[1];
+ count[0] = data_Nx;
+
+ // Define variables in ioH
+ {
+
+ adios2_define_variable(ioH, "varI8", adios2_type_char, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varSI8", adios2_type_signed_char, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varI16", adios2_type_short, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varI32", adios2_type_int, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varI64", adios2_type_long_int, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+
+ adios2_define_variable(ioH, "varU8", adios2_type_unsigned_char, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varU16", adios2_type_unsigned_short, 1,
+ NULL, NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varU32", adios2_type_unsigned_int, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varU64", adios2_type_unsigned_long_int, 1,
+ NULL, NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varR32", adios2_type_float, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varR64", adios2_type_double, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ }
+ // get variables
+ adios2_Variable *varI8 = adios2_get_variable(ioH, "varI8");
+ adios2_Variable *varSI8 = adios2_get_variable(ioH, "varSI8");
+ adios2_Variable *varI16 = adios2_get_variable(ioH, "varI16");
+ adios2_Variable *varI32 = adios2_get_variable(ioH, "varI32");
+ adios2_Variable *varI64 = adios2_get_variable(ioH, "varI64");
+ adios2_Variable *varU8 = adios2_get_variable(ioH, "varU8");
+ adios2_Variable *varU16 = adios2_get_variable(ioH, "varU16");
+ adios2_Variable *varU32 = adios2_get_variable(ioH, "varU32");
+ adios2_Variable *varU64 = adios2_get_variable(ioH, "varU64");
+ adios2_Variable *varR32 = adios2_get_variable(ioH, "varR32");
+ adios2_Variable *varR64 = adios2_get_variable(ioH, "varR64");
+
+ // Open Engine handler, Write and Close
+ adios2_Engine *engineH =
+ adios2_open(ioH, "ctypes.bp", adios2_open_mode_write);
+
+ adios2_write(engineH, varI8, data_I8);
+ adios2_write(engineH, varSI8, data_SI8);
+ adios2_write(engineH, varI16, data_I16);
+ adios2_write(engineH, varI32, data_I32);
+ adios2_write(engineH, varI64, data_I64);
+
+ adios2_write(engineH, varU8, data_U8);
+ adios2_write(engineH, varU16, data_U16);
+ adios2_write(engineH, varU32, data_U32);
+ adios2_write(engineH, varU64, data_U64);
+
+ adios2_write(engineH, varR32, data_R32);
+ adios2_write(engineH, varR64, data_R64);
+
+ adios2_close(engineH);
+
+ // deallocate adiosH
+ adios2_finalize(adiosH);
+
+ MPI_Finalize();
+ return 0;
+}
diff --git a/testing/adios2/bindings/c/TestBPWriteTypes_nompi.c b/testing/adios2/bindings/c/TestBPWriteTypes_nompi.c
new file mode 100644
index 000000000..8f4a2f147
--- /dev/null
+++ b/testing/adios2/bindings/c/TestBPWriteTypes_nompi.c
@@ -0,0 +1,96 @@
+/*
+ * Distributed under the OSI-approved Apache License, Version 2.0. See
+ * accompanying file Copyright.txt for details.
+ *
+ * TestBPWriteTypes.c
+ *
+ * Created on: Aug 9, 2017
+ * Author: wgodoy
+ */
+
+#include <adios2_c.h>
+
+#include "SmallTestData_c.h"
+
+int main(int argc, char *argv[])
+{
+ adios2_ADIOS *adiosH = adios2_init_nompi(adios2_debug_mode_on);
+
+ // IO
+ adios2_IO *ioH = adios2_declare_io(adiosH, "CArrayTypes");
+ // Set engine parameters
+ adios2_set_engine(ioH, "BPFileWriter");
+ adios2_set_param(ioH, "ProfileUnits", "Microseconds");
+ adios2_set_param(ioH, "Threads", "1");
+
+ // Set transport and parameters
+ const unsigned int transportID = adios2_add_transport(ioH, "File");
+ adios2_set_transport_param(ioH, transportID, "library", "fstream");
+
+ // count dims are allocated in stack
+ size_t count[1];
+ count[0] = data_Nx;
+
+ // Define variables in ioH
+ {
+ adios2_define_variable(ioH, "varI8", adios2_type_char, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varSI8", adios2_type_signed_char, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varI16", adios2_type_short, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varI32", adios2_type_int, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varI64", adios2_type_long_int, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+
+ adios2_define_variable(ioH, "varU8", adios2_type_unsigned_char, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varU16", adios2_type_unsigned_short, 1,
+ NULL, NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varU32", adios2_type_unsigned_int, 1, NULL,
+ NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varU64", adios2_type_unsigned_long_int, 1,
+ NULL, NULL, count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varR32", adios2_type_float, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ adios2_define_variable(ioH, "varR64", adios2_type_double, 1, NULL, NULL,
+ count, adios2_constant_dims_true);
+ }
+ // get variables
+ adios2_Variable *varI8 = adios2_get_variable(ioH, "varI8");
+ adios2_Variable *varSI8 = adios2_get_variable(ioH, "varSI8");
+ adios2_Variable *varI16 = adios2_get_variable(ioH, "varI16");
+ adios2_Variable *varI32 = adios2_get_variable(ioH, "varI32");
+ adios2_Variable *varI64 = adios2_get_variable(ioH, "varI64");
+ adios2_Variable *varU8 = adios2_get_variable(ioH, "varU8");
+ adios2_Variable *varU16 = adios2_get_variable(ioH, "varU16");
+ adios2_Variable *varU32 = adios2_get_variable(ioH, "varU32");
+ adios2_Variable *varU64 = adios2_get_variable(ioH, "varU64");
+ adios2_Variable *varR32 = adios2_get_variable(ioH, "varR32");
+ adios2_Variable *varR64 = adios2_get_variable(ioH, "varR64");
+
+ // Open Engine handler, Write and Close
+ adios2_Engine *engineH =
+ adios2_open(ioH, "ctypes.bp", adios2_open_mode_write);
+
+ adios2_write(engineH, varI8, data_I8);
+ adios2_write(engineH, varSI8, data_SI8);
+ adios2_write(engineH, varI16, data_I16);
+ adios2_write(engineH, varI32, data_I32);
+ adios2_write(engineH, varI64, data_I64);
+
+ adios2_write(engineH, varU8, data_U8);
+ adios2_write(engineH, varU16, data_U16);
+ adios2_write(engineH, varU32, data_U32);
+ adios2_write(engineH, varU64, data_U64);
+
+ adios2_write(engineH, varR32, data_R32);
+ adios2_write(engineH, varR64, data_R64);
+
+ adios2_close(engineH);
+
+ // deallocate adiosH
+ adios2_finalize(adiosH);
+ return 0;
+}
diff --git a/testing/adios2/engine/SmallTestData.h b/testing/adios2/engine/SmallTestData.h
index b008d09f3..ba6b50244 100644
--- a/testing/adios2/engine/SmallTestData.h
+++ b/testing/adios2/engine/SmallTestData.h
@@ -5,6 +5,8 @@
#ifndef TESTING_ADIOS2_ENGINE_SMALLTESTDATA_H_
#define TESTING_ADIOS2_ENGINE_SMALLTESTDATA_H_
+#include <array>
+
// Test data for each type. Make sure our values exceed the range of the
// previous size to make sure we all bytes for each element
struct SmallTestData
--
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