C Library Functions  - zaxpy (3)

NAME

zaxpy(3f) - [BLAS:COMPLEX16_BLAS_LEVEL1] ZY := ZY+ZA*ZX complex constant times a complex vector plus a complex vector.

CONTENTS

Synopsis
Definition
Options
Authors
     Further Details
See Also

SYNOPSIS

subroutine zaxpy(n,za,zx,incx,zy,incy)

      ! .. Scalar Arguments ..
      complex(kind=real64),intent(in)    :: za
      integer,intent(in)                 :: incx,incy,n
      ! ..
      ! .. Array Arguments ..
      complex(kind=real64),intent(in)    :: zx(*)
      complex(kind=real64),intent(inout) :: zy(*)
      ! ..

DEFINITION

ZAXPY constant times a vector plus a vector.

        ZY := ZY+ZA*ZX

OPTIONS

N number of elements in input vector(s)
ZA On entry, ZA specifies the scalar alpha.
ZX ZX is complex(kind=real64) array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX storage spacing between elements of ZX
ZY ZY is complex(kind=real64) array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
INCY storage spacing between elements of ZY

AUTHORS

o Univ. of Tennessee
o Univ. of California Berkeley
o Univ. of Colorado Denver
o NAG Ltd.

 date:November 2017

    FURTHER DETAILS

jack dongarra, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)

SEE ALSO

Online html documentation available at http://www.netlib.org/lapack/explore-html/


Nemo Release 3.1 zaxpy (3) July 22, 2023
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