{he,sy}r2: Hermitian/symmetric rank-2 update

Functions
subroutine	cher2 (UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA)
	CHER2 More...
subroutine	dsyr2 (UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA)
	DSYR2 More...
subroutine	ssyr2 (UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA)
	SSYR2 More...
subroutine	zher2 (UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA)
	ZHER2 More...

Detailed Description