*> \param[out] B21D
*> \verbatim
*> B21D is REAL array, dimension (Q)
-*> When CBBCSD converges, B21D contains the negative sines of
-*> THETA(1), ..., THETA(Q). If CBBCSD fails to converge, then
+*> When SBBCSD converges, B21D contains the negative sines of
+*> THETA(1), ..., THETA(Q). If SBBCSD fails to converge, then
*> B21D contains the diagonal of the partially reduced bottom-left
*> block.
*> \endverbatim
*> \param[out] B21E
*> \verbatim
*> B21E is REAL array, dimension (Q-1)
-*> When CBBCSD converges, B21E contains zeros. If CBBCSD fails
+*> When SBBCSD converges, B21E contains zeros. If SBBCSD fails
*> to converge, then B21E contains the subdiagonal of the
*> partially reduced bottom-left block.
*> \endverbatim
*> \param[out] B22D
*> \verbatim
*> B22D is REAL array, dimension (Q)
-*> When CBBCSD converges, B22D contains the negative sines of
-*> THETA(1), ..., THETA(Q). If CBBCSD fails to converge, then
+*> When SBBCSD converges, B22D contains the negative sines of
+*> THETA(1), ..., THETA(Q). If SBBCSD fails to converge, then
*> B22D contains the diagonal of the partially reduced bottom-right
*> block.
*> \endverbatim
*> \param[out] B22E
*> \verbatim
*> B22E is REAL array, dimension (Q-1)
-*> When CBBCSD converges, B22E contains zeros. If CBBCSD fails
+*> When SBBCSD converges, B22E contains zeros. If SBBCSD fails
*> to converge, then B22E contains the subdiagonal of the
*> partially reduced bottom-right block.
*> \endverbatim