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slasq6
Langue: en
Version: 325622 (ubuntu - 08/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
SLASQ6 - compute one dqd (shift equal to zero) transform in ping-pong form, with protection against underflow and overflowSYNOPSIS
- SUBROUTINE SLASQ6(
- I0, N0, Z, PP, DMIN, DMIN1, DMIN2, DN, DNM1, DNM2 )
- INTEGER I0, N0, PP
- REAL DMIN, DMIN1, DMIN2, DN, DNM1, DNM2
- REAL Z( * )
PURPOSE
SLASQ6 computes one dqd (shift equal to zero) transform in ping-pong form, with protection against underflow and overflow.ARGUMENTS
- I0 (input) INTEGER
- First index.
- N0 (input) INTEGER
- Last index.
- Z (input) REAL array, dimension ( 4*N )
- Z holds the qd array. EMIN is stored in Z(4*N0) to avoid an extra argument.
- PP (input) INTEGER
- PP=0 for ping, PP=1 for pong.
- DMIN (output) REAL
- Minimum value of d.
DMIN1 (output) REAL Minimum value of d, excluding D( N0 ).
DMIN2 (output) REAL Minimum value of d, excluding D( N0 ) and D( N0-1 ).
- DN (output) REAL
- d(N0), the last value of d.
- DNM1 (output) REAL
- d(N0-1).
- DNM2 (output) REAL
- d(N0-2).
Contenus ©2006-2024 Benjamin Poulain
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