dlamchtst man page on Scientific
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DLAMCHTST(1) LAPACK test routine (version 3.2) DLAMCHTST(1)
NAME
SYNOPSIS
PROGRAM TEST3
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
LAPACK test routine (version 3.2November 2008 DLAMCHTST(1)
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