cher - perform the hermitian rank 1 operation A := alpha*x*conjg( x' ) + A
SUBROUTINE CHER( UPLO, N, ALPHA, X, INCX, A, LDA) CHARACTER * 1 UPLO COMPLEX X(*), A(LDA,*) INTEGER N, INCX, LDA REAL ALPHA
SUBROUTINE CHER_64( UPLO, N, ALPHA, X, INCX, A, LDA) CHARACTER * 1 UPLO COMPLEX X(*), A(LDA,*) INTEGER*8 N, INCX, LDA REAL ALPHA
SUBROUTINE HER( UPLO, [N], ALPHA, X, [INCX], A, [LDA]) CHARACTER(LEN=1) :: UPLO COMPLEX, DIMENSION(:) :: X COMPLEX, DIMENSION(:,:) :: A INTEGER :: N, INCX, LDA REAL :: ALPHA
SUBROUTINE HER_64( UPLO, [N], ALPHA, X, [INCX], A, [LDA]) CHARACTER(LEN=1) :: UPLO COMPLEX, DIMENSION(:) :: X COMPLEX, DIMENSION(:,:) :: A INTEGER(8) :: N, INCX, LDA REAL :: ALPHA
#include <sunperf.h>
void cher(char uplo, int n, float alpha, complex *x, int incx, complex *a, int lda);
void cher_64(char uplo, long n, float alpha, complex *x, long incx, complex *a, long lda);
cher performs the hermitian rank 1 operation A := alpha*x*conjg( x' ) + A where alpha is a real scalar, x is an n element vector 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.