Method convertFromNativeDoubleFormat

Src/Base/AMReX_FabConv.cpp:1144–1179

//

void
RealDescriptor::convertFromNativeDoubleFormat (std::ostream&         os,
                                               Long                  nitems,
                                               const double*         in,
                                               const RealDescriptor& od)
{
//  BL_PROFILE("RD:convertFromNativeDoubleFormat");
  Long nitemsSave(nitems);
  Long buffSize(std::min(Long(writeBufferSize), nitems));
  const double *inSave(in);
  amrex::StreamRetry sr(os, "RD_cFNF", 4);

  while(sr.TryOutput()) {
    nitems = nitemsSave;
    in = inSave;

    char *bufr = new char[buffSize * od.numBytes()];

    while (nitems > 0)
    {
        Long put = std::min(static_cast<Long>(writeBufferSize), nitems);
        PD_convert(bufr,
                   in,
                   put,
                   0,
                   od,
                   FPC::Native64RealDescriptor(),
                   FPC::NativeLongDescriptor());
        os.write(bufr, od.numBytes()*put);
        nitems -= put;
        in     += put;
    }

    delete [] bufr;
  }
}

//
// Read nitems from istream in RealDescriptor format to native float format.