[opengm] 01/04: support big endian

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch debian/master
in repository opengm.

commit 109ab4d49eb86359d07d5c6b88cc0c119f0fc230
Author: Joerg Kappes <kappes at math.uni-heidelberg.de>
Date:   Mon Sep 5 21:48:05 2016 +0200

    support big endian
---
 CMakeLists.txt                                     |  6 +++
 .../opengm/datastructures/marray/marray_hdf5.hxx   | 47 ++++++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb57029..cb68cb8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -97,6 +97,12 @@ OPTION(BUILD_MATLAB_WRAPPER "Build matlab wrapper" OFF)
 OPTION(WITH_MEMINFO "Use memory logging in visitor" OFF)
 
 
+INCLUDE(TestBigEndian)
+TEST_BIG_ENDIAN(BIGENDIAN)
+IF(${BIGENDIAN})
+     ADD_DEFINITIONS(-DBIGENDIAN)
+ENDIF(${BIGENDIAN})
+
 #--------------------------------------------------------------
 # MEMINFO
 #--------------------------------------------------------------
diff --git a/include/opengm/datastructures/marray/marray_hdf5.hxx b/include/opengm/datastructures/marray/marray_hdf5.hxx
index 8e292f1..fb8ab88 100644
--- a/include/opengm/datastructures/marray/marray_hdf5.hxx
+++ b/include/opengm/datastructures/marray/marray_hdf5.hxx
@@ -82,6 +82,52 @@ template<class T, class BaseIterator, class ShapeIterator>
 
 // type conversion from C++ to HDF5
 
+#ifdef BIGENDIAN
+// \cond suppress doxygen
+template<class T>
+inline hid_t uintTypeHelper() {
+   switch(sizeof(T)) {
+       case 1:
+           return H5T_STD_U8BE;
+       case 2:
+           return H5T_STD_U16BE;
+       case 4:
+           return H5T_STD_U32BE;
+       case 8:
+           return H5T_STD_U64BE;
+       default:
+           throw std::runtime_error("No matching HDF5 type.");
+   }
+}
+
+template<class T>
+inline hid_t intTypeHelper() {
+   switch(sizeof(T)) {
+       case 1:
+           return H5T_STD_I8BE;
+       case 2:
+           return H5T_STD_I16BE;
+       case 4:
+           return H5T_STD_I32BE;
+       case 8:
+           return H5T_STD_I64BE;
+       default:
+           throw std::runtime_error("No matching HDF5 type.");
+   }
+}
+
+template<class T>
+inline hid_t floatingTypeHelper() {
+   switch(sizeof(T)) {
+       case 4:
+           return H5T_IEEE_F32BE;
+       case 8:
+           return H5T_IEEE_F64BE;
+       default:
+           throw std::runtime_error("No matching HDF5 type.");
+   }
+}
+#else
 // \cond suppress doxygen
 template<class T>
 inline hid_t uintTypeHelper() {
@@ -126,6 +172,7 @@ inline hid_t floatingTypeHelper() {
            throw std::runtime_error("No matching HDF5 type.");
    }
 }
+#endif
 
 template<class T>
 inline hid_t hdf5Type();

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