Fix

It was not compiling on BGQ

CHANGES/v2.0.txt

@@ -105,6 +105,7 @@ Unreleased changes (will be included in 2.0.3)
 See <a href="http://github.com/plumed/plumed2/tree/v2.0">branch v2.0 on git repository</a>.
 
 For users:
+- Now compiles on Blue Gene Q with IBM compilers.
 - Several small fixes in documentation and log file.
 
 For developers:

src/analysis/Analysis.cpp

@@ -133,7 +133,7 @@ ofmt("%f")
           parse("RUN",freq );
           log.printf("  running analysis every %u steps\n",freq);
           if( freq%getStride()!= 0 ) error("Frequncy of running is not a multiple of the stride");
-          ndata=std::floor(freq/getStride() );
+          ndata=freq/getStride();
           data.resize( ndata );
           for(unsigned i=0;i<ndata;++i){ data[i].resize( getNumberOfArguments() ); }
           logweights.resize( ndata );