.TH "rscl" 3 "Wed Feb 7 2024 11:30:40" "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
rscl \- rscl: scale vector by reciprocal
.SH SYNOPSIS
.br
.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "subroutine \fBcsrscl\fP (n, sa, sx, incx)"
.br
.RI "\fBCSRSCL\fP multiplies a vector by the reciprocal of a real scalar\&. "
.ti -1c
.RI "subroutine \fBdrscl\fP (n, sa, sx, incx)"
.br
.RI "\fBDRSCL\fP multiplies a vector by the reciprocal of a real scalar\&. "
.ti -1c
.RI "subroutine \fBsrscl\fP (n, sa, sx, incx)"
.br
.RI "\fBSRSCL\fP multiplies a vector by the reciprocal of a real scalar\&. "
.ti -1c
.RI "subroutine \fBzdrscl\fP (n, sa, sx, incx)"
.br
.RI "\fBZDRSCL\fP multiplies a vector by the reciprocal of a real scalar\&. "
.in -1c
.SH "Detailed Description"
.PP 

.SH "Function Documentation"
.PP 
.SS "subroutine csrscl (integer n, real sa, complex, dimension( * ) sx, integer incx)"

.PP
\fBCSRSCL\fP multiplies a vector by the reciprocal of a real scalar\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 CSRSCL multiplies an n-element complex vector x by the real scalar
 1/a\&.  This is done without overflow or underflow as long as
 the final result x/a does not overflow or underflow\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
          The number of components of the vector x\&.
.fi
.PP
.br
\fISA\fP 
.PP
.nf
          SA is REAL
          The scalar a which is used to divide each component of x\&.
          SA must be >= 0, or the subroutine will divide by zero\&.
.fi
.PP
.br
\fISX\fP 
.PP
.nf
          SX is COMPLEX array, dimension
                         (1+(N-1)*abs(INCX))
          The n-element vector x\&.
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
          The increment between successive values of the vector SX\&.
          > 0:  SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i),     1< i<= n
.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 drscl (integer n, double precision sa, double precision, dimension( * ) sx, integer incx)"

.PP
\fBDRSCL\fP multiplies a vector by the reciprocal of a real scalar\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 DRSCL multiplies an n-element real vector x by the real scalar 1/a\&.
 This is done without overflow or underflow as long as
 the final result x/a does not overflow or underflow\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
          The number of components of the vector x\&.
.fi
.PP
.br
\fISA\fP 
.PP
.nf
          SA is DOUBLE PRECISION
          The scalar a which is used to divide each component of x\&.
          SA must be >= 0, or the subroutine will divide by zero\&.
.fi
.PP
.br
\fISX\fP 
.PP
.nf
          SX is DOUBLE PRECISION array, dimension
                         (1+(N-1)*abs(INCX))
          The n-element vector x\&.
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
          The increment between successive values of the vector SX\&.
          > 0:  SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i),     1< i<= n
.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 srscl (integer n, real sa, real, dimension( * ) sx, integer incx)"

.PP
\fBSRSCL\fP multiplies a vector by the reciprocal of a real scalar\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 SRSCL multiplies an n-element real vector x by the real scalar 1/a\&.
 This is done without overflow or underflow as long as
 the final result x/a does not overflow or underflow\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
          The number of components of the vector x\&.
.fi
.PP
.br
\fISA\fP 
.PP
.nf
          SA is REAL
          The scalar a which is used to divide each component of x\&.
          SA must be >= 0, or the subroutine will divide by zero\&.
.fi
.PP
.br
\fISX\fP 
.PP
.nf
          SX is REAL array, dimension
                         (1+(N-1)*abs(INCX))
          The n-element vector x\&.
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
          The increment between successive values of the vector SX\&.
          > 0:  SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i),     1< i<= n
.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 zdrscl (integer n, double precision sa, complex*16, dimension( * ) sx, integer incx)"

.PP
\fBZDRSCL\fP multiplies a vector by the reciprocal of a real scalar\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 ZDRSCL multiplies an n-element complex vector x by the real scalar
 1/a\&.  This is done without overflow or underflow as long as
 the final result x/a does not overflow or underflow\&.
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
          N is INTEGER
          The number of components of the vector x\&.
.fi
.PP
.br
\fISA\fP 
.PP
.nf
          SA is DOUBLE PRECISION
          The scalar a which is used to divide each component of x\&.
          SA must be >= 0, or the subroutine will divide by zero\&.
.fi
.PP
.br
\fISX\fP 
.PP
.nf
          SX is COMPLEX*16 array, dimension
                         (1+(N-1)*abs(INCX))
          The n-element vector x\&.
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
          INCX is INTEGER
          The increment between successive values of the vector SX\&.
          > 0:  SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i),     1< i<= n
.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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