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dlamc2 examples
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Man Page Details
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  -- LAPACK auxiliary routine (version 1.1) -- 
     Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd., 
     Courant Institute, Argonne National Lab, and Rice University 
     October 31, 1992 

     .. Scalar Arguments .. 
<       LOGICAL            RND >
<       INTEGER            BETA, EMAX, EMIN, T >
<       DOUBLE PRECISION   EPS, RMAX, RMIN >
     .. 

  Purpose 
  ======= 

  DLAMC2 determines the machine parameters specified in its argument 
  list. 

  Arguments 
  ========= 

  BETA    (output) INTEGER 
          The base of the machine. 

  T       (output) INTEGER 
          The number of ( BETA ) digits in the mantissa. 

  RND     (output) LOGICAL 
          Specifies whether proper rounding  ( RND = .TRUE. )  or 
          chopping  ( RND = .FALSE. )  occurs in addition. This may not 
          be a reliable guide to the way in which the machine performs 
          its arithmetic. 

  EPS     (output) DOUBLE PRECISION 
          The smallest positive number such that 

             fl( 1.0 - EPS ) .LT. 1.0, 

          where fl denotes the computed value. 

  EMIN    (output) INTEGER 
          The minimum exponent before (gradual) underflow occurs. 

  RMIN    (output) DOUBLE PRECISION 
          The smallest normalized number for the machine, given by 
          BASE**( EMIN - 1 ), where  BASE  is the floating point value 
          of BETA. 

  EMAX    (output) INTEGER 
          The maximum exponent before overflow occurs. 

  RMAX    (output) DOUBLE PRECISION 
          The largest positive number for the machine, given by 
          BASE**EMAX * ( 1 - EPS ), where  BASE  is the floating point 
          value of BETA. 

  Further Details 
  =============== 

  The computation of  EPS  is based on a routine PARANOIA by 
  W. Kahan of the University of California at Berkeley. 

