On exit: the referenced elements are overwritten by details of the real elementary reflection.
4: – IntegerInput
On entry: the increment in the subscripts of x between successive elements of .
5: – Real (Kind=nag_wp)Input
On entry: the value .
If tol is not in the range , the value is used for .
6: – Real (Kind=nag_wp)Output
On exit: the scalar .
6Error Indicators and Warnings
8Parallelism and Performance
f06fsf 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 routine. Please also consult the Users' Note for your implementation for any additional implementation-specific information.