.TH "scal" 3 "Wed Feb 7 2024 11:30:40" "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
scal \- scal: x = alpha x
.SH SYNOPSIS
.br
.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "subroutine \fBcscal\fP (n, ca, cx, incx)"
.br
.RI "\fBCSCAL\fP "
.ti -1c
.RI "subroutine \fBcsscal\fP (n, sa, cx, incx)"
.br
.RI "\fBCSSCAL\fP "
.ti -1c
.RI "subroutine \fBdscal\fP (n, da, dx, incx)"
.br
.RI "\fBDSCAL\fP "
.ti -1c
.RI "subroutine \fBsscal\fP (n, sa, sx, incx)"
.br
.RI "\fBSSCAL\fP "
.ti -1c
.RI "subroutine \fBzdscal\fP (n, da, zx, incx)"
.br
.RI "\fBZDSCAL\fP "
.ti -1c
.RI "subroutine \fBzscal\fP (n, za, zx, incx)"
.br
.RI "\fBZSCAL\fP "
.in -1c
.SH "Detailed Description"
.PP 

.SH "Function Documentation"
.PP 
.SS "subroutine cscal (integer n, complex ca, complex, dimension(*) cx, integer incx)"

.PP
\fBCSCAL\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
    CSCAL scales a vector by a constant\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
         number of elements in input vector(s)
.fi
.PP
.br
\fICA\fP 
.PP
.nf
          CA is COMPLEX
           On entry, CA specifies the scalar alpha\&.
.fi
.PP
.br
\fICX\fP 
.PP
.nf
          CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
         storage spacing between elements of CX
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
     jack dongarra, linpack,  3/11/78\&.
     modified 3/93 to return if incx \&.le\&. 0\&.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine csscal (integer n, real sa, complex, dimension(*) cx, integer incx)"

.PP
\fBCSSCAL\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
    CSSCAL scales a complex vector by a real constant\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
         number of elements in input vector(s)
.fi
.PP
.br
\fISA\fP 
.PP
.nf
          SA is REAL
           On entry, SA specifies the scalar alpha\&.
.fi
.PP
.br
\fICX\fP 
.PP
.nf
          CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
         storage spacing between elements of CX
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
     jack dongarra, linpack, 3/11/78\&.
     modified 3/93 to return if incx \&.le\&. 0\&.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine dscal (integer n, double precision da, double precision, dimension(*) dx, integer incx)"

.PP
\fBDSCAL\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
    DSCAL scales a vector by a constant\&.
    uses unrolled loops for increment equal to 1\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
         number of elements in input vector(s)
.fi
.PP
.br
\fIDA\fP 
.PP
.nf
          DA is DOUBLE PRECISION
           On entry, DA specifies the scalar alpha\&.
.fi
.PP
.br
\fIDX\fP 
.PP
.nf
          DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
         storage spacing between elements of DX
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
     jack dongarra, linpack, 3/11/78\&.
     modified 3/93 to return if incx \&.le\&. 0\&.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine sscal (integer n, real sa, real, dimension(*) sx, integer incx)"

.PP
\fBSSCAL\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
    SSCAL scales a vector by a constant\&.
    uses unrolled loops for increment equal to 1\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
         number of elements in input vector(s)
.fi
.PP
.br
\fISA\fP 
.PP
.nf
          SA is REAL
           On entry, SA specifies the scalar alpha\&.
.fi
.PP
.br
\fISX\fP 
.PP
.nf
          SX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
         storage spacing between elements of SX
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
     jack dongarra, linpack, 3/11/78\&.
     modified 3/93 to return if incx \&.le\&. 0\&.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine zdscal (integer n, double precision da, complex*16, dimension(*) zx, integer incx)"

.PP
\fBZDSCAL\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
    ZDSCAL scales a vector by a constant\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
         number of elements in input vector(s)
.fi
.PP
.br
\fIDA\fP 
.PP
.nf
          DA is DOUBLE PRECISION
           On entry, DA specifies the scalar alpha\&.
.fi
.PP
.br
\fIZX\fP 
.PP
.nf
          ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
         storage spacing between elements of ZX
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
     jack dongarra, 3/11/78\&.
     modified 3/93 to return if incx \&.le\&. 0\&.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SS "subroutine zscal (integer n, complex*16 za, complex*16, dimension(*) zx, integer incx)"

.PP
\fBZSCAL\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
    ZSCAL scales a vector by a constant\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
         number of elements in input vector(s)
.fi
.PP
.br
\fIZA\fP 
.PP
.nf
          ZA is COMPLEX*16
           On entry, ZA specifies the scalar alpha\&.
.fi
.PP
.br
\fIZX\fP 
.PP
.nf
          ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
         storage spacing between elements of ZX
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
     jack dongarra, 3/11/78\&.
     modified 3/93 to return if incx \&.le\&. 0\&.
     modified 12/3/93, array(1) declarations changed to array(*)
.fi
.PP
 
.RE
.PP

.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.