.TH "slasq6.f" 3 "Wed Oct 15 2014" "Version 3.4.2" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
slasq6.f \- 
.SH SYNOPSIS
.br
.PP
.SS "Functions/Subroutines"

.in +1c
.ti -1c
.RI "subroutine \fBslasq6\fP (I0, N0, Z, PP, DMIN, DMIN1, DMIN2, DN, DNM1, DNM2)"
.br
.RI "\fI\fBSLASQ6\fP computes one dqd transform in ping-pong form\&. Used by sbdsqr and sstegr\&. \fP"
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine slasq6 (integerI0, integerN0, real, dimension( * )Z, integerPP, realDMIN, realDMIN1, realDMIN2, realDN, realDNM1, realDNM2)"

.PP
\fBSLASQ6\fP computes one dqd transform in ping-pong form\&. Used by sbdsqr and sstegr\&.  
.PP
\fBPurpose: \fP
.RS 4

.PP
.nf
 SLASQ6 computes one dqd (shift equal to zero) transform in
 ping-pong form, with protection against underflow and overflow.
.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
\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
 
.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 119 of file slasq6\&.f\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.