.TH "larscl2" 3 "Wed Feb 7 2024 11:30:40" "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
larscl2 \- larscl2: reciprocal diagonal scale matrix, A = D^{-1} A
.SH SYNOPSIS
.br
.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "subroutine \fBclarscl2\fP (m, n, d, x, ldx)"
.br
.RI "\fBCLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&. "
.ti -1c
.RI "subroutine \fBdlarscl2\fP (m, n, d, x, ldx)"
.br
.RI "\fBDLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&. "
.ti -1c
.RI "subroutine \fBslarscl2\fP (m, n, d, x, ldx)"
.br
.RI "\fBSLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&. "
.ti -1c
.RI "subroutine \fBzlarscl2\fP (m, n, d, x, ldx)"
.br
.RI "\fBZLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&. "
.in -1c
.SH "Detailed Description"
.PP 

.SH "Function Documentation"
.PP 
.SS "subroutine clarscl2 (integer m, integer n, real, dimension( * ) d, complex, dimension( ldx, * ) x, integer ldx)"

.PP
\fBCLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 CLARSCL2 performs a reciprocal diagonal scaling on a matrix:
   x <-- inv(D) * x
 where the REAL diagonal matrix D is stored as a vector\&.

 Eventually to be replaced by BLAS_cge_diag_scale in the new BLAS
 standard\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIM\fP 
.PP
.nf
          M is INTEGER
     The number of rows of D and X\&. M >= 0\&.
.fi
.PP
.br
\fIN\fP 
.PP
.nf
          N is INTEGER
     The number of columns of X\&. N >= 0\&.
.fi
.PP
.br
\fID\fP 
.PP
.nf
          D is REAL array, length M
     Diagonal matrix D, stored as a vector of length M\&.
.fi
.PP
.br
\fIX\fP 
.PP
.nf
          X is COMPLEX array, dimension (LDX,N)
     On entry, the matrix X to be scaled by D\&.
     On exit, the scaled matrix\&.
.fi
.PP
.br
\fILDX\fP 
.PP
.nf
          LDX is INTEGER
     The leading dimension of the matrix X\&. LDX >= M\&.
.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

.SS "subroutine dlarscl2 (integer m, integer n, double precision, dimension( * ) d, double precision, dimension( ldx, * ) x, integer ldx)"

.PP
\fBDLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 DLARSCL2 performs a reciprocal diagonal scaling on a matrix:
   x <-- inv(D) * x
 where the diagonal matrix D is stored as a vector\&.

 Eventually to be replaced by BLAS_dge_diag_scale in the new BLAS
 standard\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIM\fP 
.PP
.nf
          M is INTEGER
     The number of rows of D and X\&. M >= 0\&.
.fi
.PP
.br
\fIN\fP 
.PP
.nf
          N is INTEGER
     The number of columns of X\&. N >= 0\&.
.fi
.PP
.br
\fID\fP 
.PP
.nf
          D is DOUBLE PRECISION array, dimension (M)
     Diagonal matrix D, stored as a vector of length M\&.
.fi
.PP
.br
\fIX\fP 
.PP
.nf
          X is DOUBLE PRECISION array, dimension (LDX,N)
     On entry, the matrix X to be scaled by D\&.
     On exit, the scaled matrix\&.
.fi
.PP
.br
\fILDX\fP 
.PP
.nf
          LDX is INTEGER
     The leading dimension of the matrix X\&. LDX >= M\&.
.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

.SS "subroutine slarscl2 (integer m, integer n, real, dimension( * ) d, real, dimension( ldx, * ) x, integer ldx)"

.PP
\fBSLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 SLARSCL2 performs a reciprocal diagonal scaling on a matrix:
   x <-- inv(D) * x
 where the diagonal matrix D is stored as a vector\&.

 Eventually to be replaced by BLAS_sge_diag_scale in the new BLAS
 standard\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIM\fP 
.PP
.nf
          M is INTEGER
     The number of rows of D and X\&. M >= 0\&.
.fi
.PP
.br
\fIN\fP 
.PP
.nf
          N is INTEGER
     The number of columns of X\&. N >= 0\&.
.fi
.PP
.br
\fID\fP 
.PP
.nf
          D is REAL array, length M
     Diagonal matrix D, stored as a vector of length M\&.
.fi
.PP
.br
\fIX\fP 
.PP
.nf
          X is REAL array, dimension (LDX,N)
     On entry, the matrix X to be scaled by D\&.
     On exit, the scaled matrix\&.
.fi
.PP
.br
\fILDX\fP 
.PP
.nf
          LDX is INTEGER
     The leading dimension of the matrix X\&. LDX >= M\&.
.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

.SS "subroutine zlarscl2 (integer m, integer n, double precision, dimension( * ) d, complex*16, dimension( ldx, * ) x, integer ldx)"

.PP
\fBZLARSCL2\fP performs reciprocal diagonal scaling on a matrix\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 ZLARSCL2 performs a reciprocal diagonal scaling on a matrix:
   x <-- inv(D) * x
 where the DOUBLE PRECISION diagonal matrix D is stored as a vector\&.

 Eventually to be replaced by BLAS_zge_diag_scale in the new BLAS
 standard\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIM\fP 
.PP
.nf
          M is INTEGER
     The number of rows of D and X\&. M >= 0\&.
.fi
.PP
.br
\fIN\fP 
.PP
.nf
          N is INTEGER
     The number of columns of X\&. N >= 0\&.
.fi
.PP
.br
\fID\fP 
.PP
.nf
          D is DOUBLE PRECISION array, length M
     Diagonal matrix D, stored as a vector of length M\&.
.fi
.PP
.br
\fIX\fP 
.PP
.nf
          X is COMPLEX*16 array, dimension (LDX,N)
     On entry, the matrix X to be scaled by D\&.
     On exit, the scaled matrix\&.
.fi
.PP
.br
\fILDX\fP 
.PP
.nf
          LDX is INTEGER
     The leading dimension of the matrix X\&. LDX >= M\&.
.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

.SH "Author"
.PP 
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