dtrmm(side, uplo, transa, diag, m, n, alpha, a, lda, b, ldb): void
computes a scalar-matrix-matrix product with one triangular matrix defined as
B := alpha * op(A) * B
or
B := alpha * B * op(A)
where A is a unit or non-unit upper or lower triangular matrix
computes a scalar-matrix-matrix product with one triangular matrix defined as B := alpha * op(A) * B or B := alpha * B * op(A) where A is a unit or non-unit upper or lower triangular matrix