value()

int datrw::mseed::SEED::Steim2Word::value

(

const int &

i

)

const

return value

• i index in word

Definition at line 317 of file seedstructs.cc.

References DATRW_abort, DATRW_assert, dnib(), extract(), Fbyte, Fdnib00, Fdnib01, Fdnib1, Fdnib10, Fdnib11, Fdnib2, Fspecial, Mctrl, Mword, and nval().

Referenced by datrw::mseed::SEED::Steim2Frame::diff(), datrw::mseed::SEED::dump(), and extract().

      {
        int nval=this->nval();
        DATRW_assert((i<nval),
                       "ERROR (Steim2Word::value): "
                       "illegal value index");
        int retval=0;
        --nval;
        switch (Mctrl) {
          case Steim2Word::Fspecial:
            retval=Mword;
            break;
          case Steim2Word::Fbyte:
            // bytes must be read in a different order
            // since we do not swap this word
            // which is consistent with decode_steim2.c in rdseed
            retval=this->extract(8,i);
            break;
          case Steim2Word::Fdnib1:
            switch (this->dnib()) {
              case Steim2Word::Fdnib01:
                retval=this->extract(30,0);
                break;
              case Steim2Word::Fdnib10:
                retval=this->extract(15,nval-i);
                break;
              case Steim2Word::Fdnib11:
                retval=this->extract(10,nval-i);
                break;
              default:
                DATRW_abort("ERROR (Steim2Word::value): "
                              "illegal decode nibble");
            }
            break;
          case Steim2Word::Fdnib2:
            switch (this->dnib()) {
              case Steim2Word::Fdnib00:
                retval=this->extract(6,nval-i);
                break;
              case Steim2Word::Fdnib01:
                retval=this->extract(5,nval-i);
                break;
              case Steim2Word::Fdnib10:
                retval=this->extract(4,nval-i);
                break;
              default:
                DATRW_abort("ERROR (Steim2Word::value): "
                              "illegal decode nibble");
            }
            break;
          default:
            DATRW_abort("ERROR (Steim2Word::value): illegal ctrl code");
        }
        return(retval);
      } // int Steim2Word::value(const int& p) const

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