.TH "slasq5.f" 3 "Wed Oct 15 2014" "Version 3.4.2" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
slasq5.f \- 
.SH SYNOPSIS
.br
.PP
.SS "Functions/Subroutines"

.in +1c
.ti -1c
.RI "subroutine \fBslasq5\fP (I0, N0, Z, PP, TAU, SIGMA, DMIN, DMIN1, DMIN2, DN, DNM1, DNM2, IEEE, EPS)"
.br
.RI "\fI\fBSLASQ5\fP computes one dqds transform in ping-pong form\&. Used by sbdsqr and sstegr\&. \fP"
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine slasq5 (integerI0, integerN0, real, dimension( * )Z, integerPP, realTAU, realSIGMA, realDMIN, realDMIN1, realDMIN2, realDN, realDNM1, realDNM2, logicalIEEE, realEPS)"

.PP
\fBSLASQ5\fP computes one dqds transform in ping-pong form\&. Used by sbdsqr and sstegr\&.  
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
 SLASQ5 computes one dqds transform in ping-pong form, one
 version for IEEE machines another for non IEEE machines.
.fi
.PP
 
.RE
.PP
\fBParameters:\fP
.RS 4
\fII0\fP 
.PP
.nf
          I0 is INTEGER
        First index.
.fi
.PP
.br
\fIN0\fP 
.PP
.nf
          N0 is INTEGER
        Last index.
.fi
.PP
.br
\fIZ\fP 
.PP
.nf
          Z is REAL array, dimension ( 4*N )
        Z holds the qd array. EMIN is stored in Z(4*N0) to avoid
        an extra argument.
.fi
.PP
.br
\fIPP\fP 
.PP
.nf
          PP is INTEGER
        PP=0 for ping, PP=1 for pong.
.fi
.PP
.br
\fITAU\fP 
.PP
.nf
          TAU is REAL
        This is the shift.
.fi
.PP
.br
\fIDMIN\fP 
.PP
.nf
          DMIN is REAL
        Minimum value of d.
.fi
.PP
.br
\fIDMIN1\fP 
.PP
.nf
          DMIN1 is REAL
        Minimum value of d, excluding D( N0 ).
.fi
.PP
.br
\fIDMIN2\fP 
.PP
.nf
          DMIN2 is REAL
        Minimum value of d, excluding D( N0 ) and D( N0-1 ).
.fi
.PP
.br
\fIDN\fP 
.PP
.nf
          DN is REAL
        d(N0), the last value of d.
.fi
.PP
.br
\fIDNM1\fP 
.PP
.nf
          DNM1 is REAL
        d(N0-1).
.fi
.PP
.br
\fIDNM2\fP 
.PP
.nf
          DNM2 is REAL
        d(N0-2).
.fi
.PP
.br
\fIIEEE\fP 
.PP
.nf
          IEEE is LOGICAL
        Flag for IEEE or non IEEE arithmetic.
.fi
.PP
 
.RE
.PP
\fBAuthor:\fP
.RS 4
Univ\&. of Tennessee 
.PP
Univ\&. of California Berkeley 
.PP
Univ\&. of Colorado Denver 
.PP
NAG Ltd\&. 
.RE
.PP
\fBDate:\fP
.RS 4
September 2012 
.RE
.PP

.PP
Definition at line 132 of file slasq5\&.f\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.