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PJACKLAM / Math-BigInt-2.005002 / t / big_ap.t 

            

              
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# -*- mode: perl; -*-
# Test that accuracy() and precision() in BigInt/BigFloat do not disturb
# the rounding force in BigRat.
use strict;
use warnings;
use Test::More tests => 17;
use Math::BigInt;
use Math::BigFloat;
use Math::BigRat;
my $proper       = Math::BigRat   -> new('12345678901234567890/2');
my $proper_inc   = Math::BigRat   -> new('12345678901234567890/2') -> binc();
my $proper_dec   = Math::BigRat   -> new('12345678901234567890/2') -> bdec();
my $proper_int   = Math::BigInt   -> new('12345678901234567890');
my $proper_float = Math::BigFloat -> new('12345678901234567890');
my $proper2      = Math::BigRat   -> new('12345678901234567890');
Math::BigInt   -> accuracy(3);
Math::BigFloat -> accuracy(5);
my ($x, $y, $z);
##############################################################################
# new()
note "Test new()";
$z = Math::BigRat->new("12345678901234567890/2");
is($z, $proper, q|Math::BigRat->new("12345678901234567890/2")|);
$z = Math::BigRat->new("1234567890123456789E1");
is($z, $proper2, q|Math::BigRat->new("1234567890123456789E1")|);
$z = Math::BigRat->new("12345678901234567890/1E0");
is($z, $proper2, q|Math::BigRat->new("12345678901234567890/1E0")|);
$z = Math::BigRat->new("1234567890123456789e1/1");
is($z, $proper2, q|Math::BigRat->new("1234567890123456789e1/1")|);
$z = Math::BigRat->new("1234567890123456789e1/1E0");
is($z, $proper2, q|Math::BigRat->new("1234567890123456789e1/1E0")|);
$z = Math::BigRat->new($proper_int);
is($z, $proper2, qq|Math::BigRat->new("$proper_int")|);
$z = Math::BigRat->new($proper_float);
is($z, $proper2, qq|Math::BigRat->new("$proper_float")|);
##############################################################################
# bdiv
note "Test bdiv()";
$x = Math::BigRat->new("12345678901234567890");
$y = Math::BigRat->new("2");
$z = $x->copy->bdiv($y);
is($z, $proper);
##############################################################################
# bmul
note "Test bmul()";
$x = Math::BigRat->new("$proper");
$y = Math::BigRat->new("1");
$z = $x->copy->bmul($y);
is($z, $proper);
$z = Math::BigRat->new("12345678901234567890/1E0");
is($z, $proper2);
$z = Math::BigRat->new($proper_int);
is($z, $proper2);
$z = Math::BigRat->new($proper_float);
is($z, $proper2);
##############################################################################
# bdiv
note "Test bdiv()";
$x = Math::BigRat->new("12345678901234567890");
$y = Math::BigRat->new("2");
$z = $x->copy->bdiv($y);
is($z, $proper);
##############################################################################
# bmul
note "Test bmul()";
$x = Math::BigRat->new("$proper");
$y = Math::BigRat->new("1");
$z = $x->copy->bmul($y);
is($z, $proper);
$x = Math::BigRat->new("$proper");
$y = Math::BigRat->new("2");
$z = $x->copy->bmul($y);
is($z, $proper2);
##############################################################################
# binc
note "Test binc()";
$x = $proper->copy()->binc();
is($x, $proper_inc);
##############################################################################
# binc
note "Test bdec()";
$x = $proper->copy()->bdec();
is($x, $proper_dec);