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# cgeru.f

Section: LAPACK (3)
Updated: Wed Oct 17 2018
Index

cgeru.f -

## SYNOPSIS

### Functions/Subroutines

subroutine CGERU (M, N, ALPHA, X, INCX, Y, INCY, A, LDA)
CGERU

## Function/Subroutine Documentation

### subroutine CGERU (integerM, integerN, complexALPHA, complex, dimension(*)X, integerINCX, complex, dimension(*)Y, integerINCY, complex, dimension(lda,*)A, integerLDA)

CGERU Purpose:

` CGERU  performs the rank 1 operation    A := alpha*x*y**T + A, where alpha is a scalar, x is an m element vector, y is an n element vector and A is an m by n matrix.`

Parameters:

M

`          M is INTEGER           On entry, M specifies the number of rows of the matrix A.           M must be at least zero.`

N

`          N is INTEGER           On entry, N specifies the number of columns of the matrix A.           N must be at least zero.`

ALPHA

`          ALPHA is COMPLEX           On entry, ALPHA specifies the scalar alpha.`

X

`          X is COMPLEX array of dimension at least           ( 1 + ( m - 1 )*abs( INCX ) ).           Before entry, the incremented array X must contain the m           element vector x.`

INCX

`          INCX is INTEGER           On entry, INCX specifies the increment for the elements of           X. INCX must not be zero.`

Y

`          Y is COMPLEX array of dimension at least           ( 1 + ( n - 1 )*abs( INCY ) ).           Before entry, the incremented array Y must contain the n           element vector y.`

INCY

`          INCY is INTEGER           On entry, INCY specifies the increment for the elements of           Y. INCY must not be zero.`

A

`          A is COMPLEX array of DIMENSION ( LDA, n ).           Before entry, the leading m by n part of the array A must           contain the matrix of coefficients. On exit, A is           overwritten by the updated matrix.`

LDA

`          LDA is INTEGER           On entry, LDA specifies the first dimension of A as declared           in the calling (sub) program. LDA must be at least           max( 1, m ).`

Author:

Univ. of Tennessee

Univ. of California Berkeley

NAG Ltd.

Date:

November 2011

Further Details:

`  Level 2 Blas routine.  -- Written on 22-October-1986.     Jack Dongarra, Argonne National Lab.     Jeremy Du Croz, Nag Central Office.     Sven Hammarling, Nag Central Office.     Richard Hanson, Sandia National Labs.`

Definition at line 131 of file cgeru.f.

## Author

Generated automatically by Doxygen for LAPACK from the source code.

## Index

NAME
SYNOPSIS
Functions/Subroutines
Function/Subroutine Documentation
subroutine CGERU (integerM, integerN, complexALPHA, complex, dimension(*)X, integerINCX, complex, dimension(*)Y, integerINCY, complex, dimension(lda,*)A, integerLDA)
Author

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