cher2 - perform the hermitian rank 2 operation A := alpha*x*conjg( y' ) + conjg( alpha )*y*conjg( x' ) + A
SUBROUTINE CHER2( UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA) CHARACTER * 1 UPLO COMPLEX ALPHA COMPLEX X(*), Y(*), A(LDA,*) INTEGER N, INCX, INCY, LDA
SUBROUTINE CHER2_64( UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA) CHARACTER * 1 UPLO COMPLEX ALPHA COMPLEX X(*), Y(*), A(LDA,*) INTEGER*8 N, INCX, INCY, LDA
SUBROUTINE HER2( UPLO, [N], ALPHA, X, [INCX], Y, [INCY], A, [LDA]) CHARACTER(LEN=1) :: UPLO COMPLEX :: ALPHA COMPLEX, DIMENSION(:) :: X, Y COMPLEX, DIMENSION(:,:) :: A INTEGER :: N, INCX, INCY, LDA
SUBROUTINE HER2_64( UPLO, [N], ALPHA, X, [INCX], Y, [INCY], A, [LDA]) CHARACTER(LEN=1) :: UPLO COMPLEX :: ALPHA COMPLEX, DIMENSION(:) :: X, Y COMPLEX, DIMENSION(:,:) :: A INTEGER(8) :: N, INCX, INCY, LDA
#include <sunperf.h>
void cher2(char uplo, int n, complex alpha, complex *x, int incx, complex *y, int incy, complex *a, int lda);
void cher2_64(char uplo, long n, complex alpha, complex *x, long incx, complex *y, long incy, complex *a, long lda);
cher2 performs the hermitian rank 2 operation A := alpha*x*conjg( y' ) + conjg( alpha )*y*conjg( x' ) + A where alpha is a scalar, x and y are n element vectors and A is an n by n hermitian matrix.
UPLO = 'U' or 'u' Only the upper triangular part of A is to be referenced.
UPLO = 'L' or 'l' Only the lower triangular part of A is to be referenced.
Unchanged on exit.