x06ahf, for multithreaded implementations, tests whether the nesting of OpenMP parallel regions has been enabled as if with a call to
x06agf. The return value will be
if nesting is enabled or
if it is disabled.
Note the equivalent OpenMP routine omp_get_nested() returns a logical value.
In serial implementations of the NAG Library
x06ahf will always return
. See the
X06 Chapter Introduction for a discussion of the behaviour of these routines when called in serial.
None.
None.
Not applicable.
None.
See
Section 10 in
x06agf for a demonstration of how to use
x06ahf.