1 files changed, 106 insertions, 0 deletions
diff --git a/gmp/demos/perl/GMP/Mpf.pm b/gmp/demos/perl/GMP/Mpf.pm
new file mode 100644
index 0000000000..4c0dec6cea
--- /dev/null
+++ b/gmp/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: