HP MLIB User's Guide Vol. 2 7th Ed.

Chapter 9 LAPACK Auxiliary Subprograms 655
Return machine-dependent parameters Auxiliary subprograms
Auxiliary subprograms
Following are the auxiliary subprograms included with LAPACK.
Name SLAMCH/DLAMCH
Return machine-dependent parameters
Purpose These subprograms return machine-dependent parameters, thus promoting
machine independence in LAPACK.
Usage :
CHARACTER*1 name
REAL*4 SLAMCH, value
value = SLAMCH(name)
CHARACTER*1 name
REAL*8 DLAMCH, value
value = DLAMCH(name)
Input name Specifies which machine-dependent parameter is to be
returned, as follows: