some small changes in FileWriter

AMDiS/src/Functors.h

@@ -27,7 +27,7 @@ template<typename T=double>
 struct Factor : public AbstractFunction<T,T>
 {
   Factor(double fac_) : AbstractFunction<T,T>(1), fac(fac_) {}
-  T operator()(const T& x) const { return fac*x; };
+  T operator()(const T& x) const { return fac*x; }
 private:
   double fac;
 };

AMDiS/src/io/FileWriter.cc

@@ -69,7 +69,7 @@ namespace AMDiS {
     FUNCNAME("FileWriterTemplated<T>::writeFiles()");
 
     if (timeModulo > 0.0) {
-      if ((adaptInfo->getTime() < lastWriteTime + timeModulo) && !force)
+      if ((lastWriteTime != 0.0 && adaptInfo->getTime() < lastWriteTime + timeModulo) && !force)
 	return;
     } else {
       if ((adaptInfo->getTimestepNumber() % tsModulo != 0) && !force) 

AMDiS/src/io/FileWriter.hh

@@ -180,7 +180,7 @@ namespace AMDiS {
     FUNCNAME("FileWriterTemplated<T>::writeFiles()");
 
     if (timeModulo > 0.0) {
-      if ((adaptInfo->getTime() < lastWriteTime + timeModulo) && !force)
+      if ((lastWriteTime != 0.0 && adaptInfo->getTime() < lastWriteTime + timeModulo) && !force)
 	return;
     } else {
       if ((adaptInfo->getTimestepNumber() % tsModulo != 0) && !force)