x06ahc, for multithreaded implementations, tests whether the nesting of OpenMP parallel regions has been enabled as if with a call to
x06agc. The return value will be
if nesting is enabled or
if it is disabled.
In serial implementations of the NAG Library
x06ahc will always return
. See the
X06 Chapter Introduction for a discussion of the behaviour of these functions when called in serial.
None.
None.
Not applicable.
None.
See
Section 10 in
x06agc for a demonstration of how to use
x06ahc.