QFFTW3.cc

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#include "QFFTW3.hh"
#ifdef _HAVE_FFTW3_
#include <fftw3.h>
#endif
 
ClassImp(Diana::QFFTW3)
 
Q_BEGIN_NAMESPACE
 
QFFTW3Wisdom *QFFTW3Wisdom::fInstance=NULL;
 
QFFTW3Wisdom *QFFTW3Wisdom::Get() {
  if(fInstance==NULL)
    fInstance=new QFFTW3Wisdom();
  return fInstance;
}
QFFTW3Wisdom::QFFTW3Wisdom() :
  fLocalWisdom(false),
  fSavingWisdom(false),
  fWisdomFile(""),
  fLocalFile("")
{
 
  // Have some search directories that one looks for the local wisdom.
 
 
  // If found, load from a local directory and set local file flag
  // true
 
  // If not found, try global wisdom, and set local file flag false
  ImportSystemWisdom();
}
QFFTW3Wisdom::~QFFTW3Wisdom() {
  if(fSavingWisdom && fLocalWisdom)
    ExportWisdomToFile(fWisdomFile.c_str());
}
bool QFFTW3Wisdom::ExportWisdomToFile(const char *outFile){
#ifdef _HAVE_FFTW3_
  FILE *out=fopen(outFile,"w");
  if(out==NULL)
    return false;
  fftw_export_wisdom_to_file(out);
  fclose(out);
#endif
  return true;
}
bool QFFTW3Wisdom::ImportWisdomFromFile(const char *inFile){
#ifdef _HAVE_FFTW3_
  FILE *in=fopen(inFile,"r");
  if(in==NULL)
    return false;
  bool ret=(bool)fftw_import_wisdom_from_file(in);
  fclose(in);
  return ret;
#else
  return true;
#endif
}
bool QFFTW3Wisdom::ImportSystemWisdom() {
#ifdef _HAVE_FFTW3_
  return (bool)fftw_import_system_wisdom();
#else
  return true;
#endif
}
bool QFFTW3Wisdom::ForgetWisdom(void) {
#ifdef _HAVE_FFTW3_
  fftw_forget_wisdom();
#endif
  return true;
}
 
Q_END_NAMESPACE