TODO: compression works, but need to have a selection mechanism

- minor bug in ADIOS prevents checking the available transforms at the
  moment

BUILD.md

-Build dependencies: 2016-07-28
+Build dependencies: 2016-11-15
 ---
 
 Adios
-- adios github version.
+- adios github version or 1.11.0 .
 
 OpenFOAM
-- develop branch.
+- develop branch (or 1612).
 
 ---

src/adiosFoam/adiosCoreWriteTemplates.C

@@ -63,7 +63,17 @@ int64_t Foam::adiosCoreWrite::putListVariable
 
     if (fileID_)
     {
-        // adios_set_transform(varid, transform);
+        if (floatingPoint<cmptType>())
+        {
+            // floating point data:
+            // adios_set_transform(varid, "zfp:accuracy=0.0001");
+        }
+        else
+        {
+            // int data:  adios_set_transform(varid, "zlib");
+            // adios_set_transform(varid, "bzip2");
+        }
+
         adios_write_byid(fileID_, varid, list.cdata());
     }
     else

src/adiosFoam/adiosTraits.H

@@ -59,6 +59,16 @@ public:
 };
 
 
+//- Assume the data associated with type T are not floating-point values
+template<class T>
+inline bool floatingPoint()             {return false;}
+
+template<>
+inline bool floatingPoint<float>()      {return true;}
+template<>
+inline bool floatingPoint<double>()     {return true;}
+
+
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 } // End namespace Foam