table of contents
lamc1(3) | Library Functions Manual | lamc1(3) |
NAME¶
lamc1 - lamc1: ??
SYNOPSIS¶
Functions¶
subroutine DLAMC1 (beta, t, rnd, ieee1)
DLAMC1 subroutine SLAMC1 (beta, t, rnd, ieee1)
SLAMC1
Detailed Description¶
Function Documentation¶
subroutine DLAMC1 (integer beta, integer t, logical rnd, logical ieee1)¶
DLAMC1 Purpose:
!> DLAMC1 determines the machine parameters given by BETA, T, RND, and !> IEEE1. !>
Parameters
BETA
!> The base of the machine. !>
T
!> The number of ( BETA ) digits in the mantissa. !>
RND
!> 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. !>
IEEE1
!> Specifies whether rounding appears to be done in the IEEE !> 'round to nearest' style. !>
Author
LAPACK is a software package provided by Univ. of
Tennessee, Univ. of California Berkeley, Univ. of Colorado Denver and NAG
Ltd..
Further Details
!> !> The routine is based on the routine ENVRON by Malcolm and !> incorporates suggestions by Gentleman and Marovich. See !> !> Malcolm M. A. (1972) Algorithms to reveal properties of !> floating-point arithmetic. Comms. of the ACM, 15, 949-951. !> !> Gentleman W. M. and Marovich S. B. (1974) More on algorithms !> that reveal properties of floating point arithmetic units. !> Comms. of the ACM, 17, 276-277. !>
Definition at line 207 of file dlamchf77.f.
subroutine SLAMC1 (integer beta, integer t, logical rnd, logical ieee1)¶
SLAMC1 Purpose:
!> SLAMC1 determines the machine parameters given by BETA, T, RND, and !> IEEE1. !>
Parameters
BETA
!> The base of the machine. !>
T
!> The number of ( BETA ) digits in the mantissa. !>
RND
!> 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. !>
IEEE1
!> Specifies whether rounding appears to be done in the IEEE !> 'round to nearest' style. !>
Author
LAPACK is a software package provided by Univ. of
Tennessee, Univ. of California Berkeley, Univ. of Colorado Denver and NAG
Ltd..
Further Details
!> !> The routine is based on the routine ENVRON by Malcolm and !> incorporates suggestions by Gentleman and Marovich. See !> !> Malcolm M. A. (1972) Algorithms to reveal properties of !> floating-point arithmetic. Comms. of the ACM, 15, 949-951. !> !> Gentleman W. M. and Marovich S. B. (1974) More on algorithms !> that reveal properties of floating point arithmetic units. !> Comms. of the ACM, 17, 276-277. !>
Definition at line 206 of file slamchf77.f.
Author¶
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