From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/demos/perl/GMP/Mpf.pm | 106 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 gmp-6.3.0/demos/perl/GMP/Mpf.pm (limited to 'gmp-6.3.0/demos/perl/GMP/Mpf.pm') diff --git a/gmp-6.3.0/demos/perl/GMP/Mpf.pm b/gmp-6.3.0/demos/perl/GMP/Mpf.pm new file mode 100644 index 0000000..4c0dec6 --- /dev/null +++ b/gmp-6.3.0/demos/perl/GMP/Mpf.pm @@ -0,0 +1,106 @@ +# GMP mpf module. + +# Copyright 2001, 2003 Free Software Foundation, Inc. +# +# This file is part of the GNU MP Library. +# +# The GNU MP Library is free software; you can redistribute it and/or modify +# it under the terms of either: +# +# * the GNU Lesser General Public License as published by the Free +# Software Foundation; either version 3 of the License, or (at your +# option) any later version. +# +# or +# +# * the GNU General Public License as published by the Free Software +# Foundation; either version 2 of the License, or (at your option) any +# later version. +# +# or both in parallel, as here. +# +# The GNU MP Library is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received copies of the GNU General Public License and the +# GNU Lesser General Public License along with the GNU MP Library. If not, +# see https://www.gnu.org/licenses/. + + +package GMP::Mpf; + +require GMP; +require Exporter; +@ISA = qw(GMP Exporter); +@EXPORT = qw(); +@EXPORT_OK = qw(); +%EXPORT_TAGS = ('all' => [qw( + ceil floor get_default_prec get_prec mpf mpf_eq + reldiff set_default_prec set_prec trunc)], + 'constants' => [@EXPORT], + 'noconstants' => [@EXPORT]); +Exporter::export_ok_tags('all'); + +use overload + '+' => \&overload_add, '+=' => \&overload_addeq, + '-' => \&overload_sub, '-=' => \&overload_subeq, + '*' => \&overload_mul, '*=' => \&overload_muleq, + '/' => \&overload_div, '/=' => \&overload_diveq, + '**' => \&overload_pow, '**=' => \&overload_poweq, + '<<' => \&overload_lshift, '<<=' => \&overload_lshifteq, + '>>' => \&overload_rshift, '>>=' => \&overload_rshifteq, + + 'bool' => \&overload_bool, + 'not' => \&overload_not, + '!' => \&overload_not, + '<=>' => \&overload_spaceship, + '++' => \&overload_inc, + '--' => \&overload_dec, + 'abs' => \&overload_abs, + 'neg' => \&overload_neg, + 'sqrt' => \&overload_sqrt, + '=' => \&overload_copy, + '""' => \&overload_string; + +sub import { + foreach (@_) { + if ($_ eq ':constants') { + overload::constant ('integer' => \&overload_constant, + 'binary' => \&overload_constant, + 'float' => \&overload_constant); + } elsif ($_ eq ':noconstants') { + overload::remove_constant ('integer' => \&overload_constant, + 'binary' => \&overload_constant, + 'float' => \&overload_constant); + } + } + goto &Exporter::import; +} + + +sub overload_string { + my $fmt; + BEGIN { $^W = 0; } + if (defined ($#)) { + $fmt = $#; + BEGIN { $^W = 1; } + # protect against calling sprintf_internal with a bad format + if ($fmt !~ /^((%%|[^%])*%[-+ .\d]*)([eEfgG](%%|[^%])*)$/) { + die "GMP::Mpf: invalid \$# format: $#\n"; + } + $fmt = $1 . 'F' . $3; + } else { + $fmt = '%.Fg'; + } + GMP::sprintf_internal ($fmt, $_[0]); +} + +1; +__END__ + + +# Local variables: +# perl-indent-level: 2 +# End: -- cgit v1.2.3