HP MLIB User's Guide Vol. 1 7th Ed.

Chapter 3 Basic Matrix Operations 361
Matrix transposition F_SGE_TRANS/F_DGE_TRANS/F_CGE_TRANS/F_ZGE_TRANS
Input CONJ Specifies conjugation. Use either BLAS_CONJ or
BLAS_NO_CONJ. When A is real the conj operator
argument has no effect.
N Number of rows and columns in matrix A, n > 0.
A Array containing the m-by-n matrix A.
LDA Leading dimension of array A. When lda < 1 or
lda < n, an error flag is set and passed to the error
handler.
Output A The transposed m-by-n matrix replaces the input
matrix A.