Add routines for estimating the condition number

[mateogianolio]

• ?gecon(norm, n, a, lda, anorm, rcond)
• ?gbcon(norm, n, kl, ku, ab, ldab, ipiv, anorm, rcond)
• ?gtcon(norm, n, dl, d, du, du2, ipiv, anorm, rcond)
• ?pocon(uplo, n, a, lda, anorm, rcond)
• ?ppcon(uplo, n, ap, anorm, rcond)
• ?pbcon(uplo, n, kd, ab, ldab, anorm, rcond)
• ?ptcon(n, d, e, anorm, rcond)
• ?sycon(uplo, n, a, lda, ipiv, anorm, rcond)
• ?sycon_rook(uplo, n, a, lda, ipiv, anorm, rcond)
• ?hecon(uplo, n, a, lda, ipiv, anorm, rcond)
• ?hecon_rook(uplo, n, a, lda, ipiv, anorm, rcond)
• ?spcon(uplo, n, ap, ipiv, anorm, rcond)
• ?hpcon(uplo, n, ap, ipiv, anorm, rcond)
• ?trcon(norm, uplo, diag, n, a, lda, rcond)
• ?tpcon(norm, uplo, diag, n, ap, rcond)
• ?tbcon(norm, uplo, diag, n, kd, ab, ldab, rcond)