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Diffstat (limited to 'pod/perldelta.pod')
| -rw-r--r-- | pod/perldelta.pod | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 052162b49e..8fc8efe2b7 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -1678,6 +1678,22 @@ and C<~> are now supported on bigints. The accessor methods Re, Im, arg, abs, rho, and theta can now also act as mutators (accessor $z->Re(), mutator $z->Re(3)). +The class method C<display_format> and the corresponding object method +C<display_format>, in addition to accepting just one argument, now can +also accept a parameter hash. Recognized keys of a parameter hash are +C<"style">, which corresponds to the old one parameter case, and two +new parameters: C<"format">, which is a printf()-style format string +(defaults usually to C<"%.15g">, you can revert to the default by +setting the format string to C<undef>) used for both parts of a +complex number, and C<"polar_pretty_print"> (defaults to true), +which controls whether an attempt is made to try to recognize small +multiples and rationals of pi (2pi, pi/2) at the argument (angle) of a +polar complex number. + +The potentially disruptive change is that in list context both methods +now I<return the parameter hash>, instead of only the value of the +C<"style"> parameter. + =item Math::Trig A little bit of radial trigonometry (cylindrical and spherical), |