dtbtrs(3) on Linux
The text 18d26f0fa603, as Debian 3.0 (Woody) shipped it.
solve a triangular system of the form A * X = B or A**T * X = B,
The text 18d26f0fa603, as Debian 3.0 (Woody) shipped it.
solve a triangular system of the form A * X = B or A**T * X = B,