On exit: the updated vector , stored in the same array elements used to supply the original vector.
On entry: the increment in the subscripts of x between successive elements of .
Error Indicators and Warnings
Parallelism and Performance
nag_drscl (f06fec) makes calls to BLAS and/or LAPACK routines, which may be threaded within the vendor library used by this implementation. Consult the documentation for the vendor library for further information.
Please consult the x06 Chapter Introduction for information on how to control and interrogate the OpenMP environment used within this function. Please also consult the Users' Note for your implementation for any additional implementation-specific information.