Input Instructions for RECONR

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     *                                                                *
     * card 1                                                         *
     *    nendf    unit for endf/b tape                               *
     *    npend    unit for pendf tape                                *
     * card 2                                                         *
     *    tlabel   66 character label for new pendf tape              *
     *             delimited with quotes, ended with /.               *
     * card 3                                                         *
     *    mat      material to be reconstructed                       *
     *    ncards   number of cards of descriptive data for new mf1    *
     *             (default=0.)                                       *
     *    ngrid    number of user energy grid points to be added.     *
     *             (default=0.)                                       *
     * card 4                                                         *
     *    err      fractional reconstruction tolerance used when      *
     *             resonance-integral error criterion (see errint)    *
     *             is not satisfied.                                  *
     *    tempr    reconstruction temperature (deg kelvin)            *
     *             (default=0.)                                       *
     *    errmax   fractional reconstruction tolerance used when      *
     *             resonance-integral error criterion is satisfied    *
     *             (errmax.ge.err, default=20.*err)                   *
     *    errint   maximum resonance-integral error (in barns)        *
     *             per grid point (default=err/10000)                 *
     *             (note: the max cross section difference for        *
     *             linearization, errlim, and for reconstruction,     *
     *             errmin, are also tied to errint.  to get maximum   *
     *             accuracy, set errint to a very small number.       *
     *             for economical production, use the defaults.)      *
     * card 5                                                         *
     *    cards    ncards of descriptive comments for mt451           *
     *             each card delimited with quotes, ended with /.     *
     * card 6                                                         *
     *    enode    users energy grid points                           *
     *                                                                *
     *     cards 3, 4, 5, 6 must be input for each material desired   *
     *     mat=0/ terminates execution of reconr.                     *
     *                                                                *
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