2. EL 6 ELS
  3. lapack
  4. dlamchtst(l)

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DLAMCHTST(1) LAPACK test routine (version 3.2) DLAMCHTST(1)

NAME

SYNOPSIS

DOUBLE PRECISION BASE, EMAX, EMIN, EPS, PREC, RMAX, RMIN, RND, SFMIN, T DOUBLE PRECISION DLAMCH EXTERNAL DLAMCH EPS = DLAMCH( 'Epsilon' ) SFMIN = DLAMCH( 'Safe minimum' ) BASE = DLAMCH( 'Base' ) PREC = DLAMCH( 'Precision' ) T = DLAMCH( 'Number of digits in mantissa' ) RND = DLAMCH( 'Rounding mode' ) EMIN = DLAMCH( 'Minimum exponent' ) RMIN = DLAMCH( 'Underflow threshold' ) EMAX = DLAMCH( 'Largest exponent' ) RMAX = DLAMCH( 'Overflow threshold' ) WRITE( 6, * )' Epsilon = ', EPS WRITE( 6, * )' Safe minimum = ', SFMIN WRITE( 6, * )' Base = ', BASE WRITE( 6, * )' Precision = ', PREC WRITE( 6, * )' Number of digits in mantissa = ', T WRITE( 6, * )' Rounding mode = ', RND WRITE( 6, * )' Minimum exponent = ', EMIN WRITE( 6, * )' Underflow threshold = ', RMIN WRITE( 6, * )' Largest exponent = ', EMAX WRITE( 6, * )' Overflow threshold = ', RMAX WRITE( 6, * )' Reciprocal of safe minimum = ', 1 / SFMIN END

PURPOSE

November 2008 LAPACK test routine (version 3.2)