1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
PROGRAM TEST3
*
* -- LAPACK test routine (version 3.0) --
* Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd.,
* Courant Institute, Argonne National Lab, and Rice University
* March 31, 1993
*
* .. Local Scalars ..
DOUBLE PRECISION BASE, EMAX, EMIN, EPS, PREC, RMAX, RMIN, RND,
$ SFMIN, T
* ..
* .. External Functions ..
DOUBLE PRECISION DLAMCH
EXTERNAL DLAMCH
* ..
* .. Executable Statements ..
*
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
|
