dtrtrs(3) on Linux
The text 2421386d4d83, as Debian 4.0 (Etch) shipped it.
solve a triangular system of the form A * X = B or A**T * X = B,
The text 2421386d4d83, as Debian 4.0 (Etch) shipped it.
solve a triangular system of the form A * X = B or A**T * X = B,