.TH "asum" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
asum \- asum: sum | real( x_i ) | + | imag( x_i ) |
.SH SYNOPSIS
.br
.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "double precision function \fBdasum\fP (n, dx, incx)"
.br
.RI "\fBDASUM\fP "
.ti -1c
.RI "double precision function \fBdzasum\fP (n, zx, incx)"
.br
.RI "\fBDZASUM\fP "
.ti -1c
.RI "real function \fBsasum\fP (n, sx, incx)"
.br
.RI "\fBSASUM\fP "
.ti -1c
.RI "real function \fBscasum\fP (n, cx, incx)"
.br
.RI "\fBSCASUM\fP "
.in -1c
.SH "Detailed Description"
.PP 

.SH "Function Documentation"
.PP 
.SS "double precision function dasum (integer n, double precision, dimension(*) dx, integer incx)"

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

.PP
.nf
    DASUM takes the sum of the absolute values\&.
.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
\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

.PP
Definition at line \fB70\fP of file \fBdasum\&.f\fP\&.
.SS "double precision function dzasum (integer n, complex*16, dimension(*) zx, integer incx)"

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

.PP
.nf
    DZASUM takes the sum of the (|Re(\&.)| + |Im(\&.)|)'s of a complex vector and
    returns a double precision result\&.
.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
\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

.PP
Definition at line \fB71\fP of file \fBdzasum\&.f\fP\&.
.SS "real function sasum (integer n, real, dimension(*) sx, integer incx)"

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

.PP
.nf
    SASUM takes the sum of the absolute values\&.
    uses unrolled loops for increment equal to one\&.
.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
\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

.PP
Definition at line \fB71\fP of file \fBsasum\&.f\fP\&.
.SS "real function scasum (integer n, complex, dimension(*) cx, integer incx)"

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

.PP
.nf
    SCASUM takes the sum of the (|Re(\&.)| + |Im(\&.)|)'s of a complex vector and
    returns a single precision result\&.
.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
\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 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

.PP
Definition at line \fB71\fP of file \fBscasum\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.