diff options
Diffstat (limited to 'lib/Math/Complex.pm')
| -rw-r--r-- | lib/Math/Complex.pm | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/Math/Complex.pm b/lib/Math/Complex.pm index 3840219537..c9af42a087 100644 --- a/lib/Math/Complex.pm +++ b/lib/Math/Complex.pm @@ -9,7 +9,7 @@ package Math::Complex; use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $Inf); -$VERSION = 1.43; +$VERSION = 1.44; BEGIN { # For 64-bit doubles, anyway. @@ -1927,6 +1927,8 @@ Here are some examples: $j->arg(2); # (the last two aka rho, theta) # can be used also as mutators. +=head1 CONSTANTS + =head2 PI The constant C<pi> and some handy multiples of it (pi2, pi4, @@ -1955,6 +1957,13 @@ it can be for example any of or it can be something else. +Also note that in some platforms trying to use the infinity in +arithmetic operations may result in Perl crashing because using +an infinity causes SIGFPE or its moral equivalent to be sent. +The way to ignore this is + + local $SIG{FPE} = sub { }; + =head1 ERRORS DUE TO DIVISION BY ZERO OR LOGARITHM OF ZERO The division (/) and the following functions @@ -2019,6 +2028,10 @@ in root(), cos(), sin(), cosh(), sinh(), losing accuracy fast. Beware. The bug may be in UNICOS math libs, in UNICOS C compiler, in Math::Complex. Whatever it is, it does not manifest itself anywhere else where Perl runs. +=head1 SEE ALSO + +L<Math::Trig> + =head1 AUTHORS Daniel S. Lewart <F<lewart!at!uiuc.edu>> |