{he,sy}gst: reduction to standard form

Functions
subroutine	chegst (itype, uplo, n, a, lda, b, ldb, info)
	CHEGST
subroutine	dsygst (itype, uplo, n, a, lda, b, ldb, info)
	DSYGST
subroutine	ssygst (itype, uplo, n, a, lda, b, ldb, info)
	SSYGST
subroutine	zhegst (itype, uplo, n, a, lda, b, ldb, info)
	ZHEGST

Detailed Description