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#!perl
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###############################################################################
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use strict;
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use warnings;
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use Test::More tests => 51;
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use bigint qw/hex oct/;
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###############################################################################
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# _constant tests
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foreach (qw/
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123:123
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123.4:123
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1.4:1
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0.1:0
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-0.1:0
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-1.1:-1
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-123.4:-123
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-123:-123
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123e2:123e2
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123e-1:12
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123e-4:0
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123e-3:0
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123.345e-1:12
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123.456e+2:12345
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1234.567e+3:1234567
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1234.567e+4:1234567E1
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1234.567e+6:1234567E3
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/)
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{
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my ($x, $y) = split /:/;
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is(bigint::_float_constant("$x"), "$y",
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qq|bigint::_float_constant("$x") = $y|);
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}
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foreach (qw/
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0100:64
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0200:128
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0x100:256
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0b1001:9
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/)
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{
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my ($x, $y) = split /:/;
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is(bigint::_binary_constant("$x"), "$y",
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qq|bigint::_binary_constant("$x") = "$y")|);
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}
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###############################################################################
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# general tests
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my $x = 5;
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like(ref($x), qr/^Math::BigInt/, '$x = 5 makes $x a Math::BigInt'); # :constant
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# todo: is(2 + 2.5, 4.5); # should still work
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# todo: $x = 2 + 3.5; is(ref($x), 'Math::BigFloat');
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$x = 2 ** 255;
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like(ref($x), qr/^Math::BigInt/, '$x = 2 ** 255 makes $x a Math::BigInt');
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is(12->bfac(), 479001600, '12->bfac() = 479001600');
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is(9/4, 2, '9/4 = 2');
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is(4.5 + 4.5, 8, '4.5 + 4.5 = 2'); # truncate
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like(ref(4.5 + 4.5), qr/^Math::BigInt/, '4.5 + 4.5 makes a Math::BigInt');
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###############################################################################
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# accuracy and precision
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is(bigint->accuracy(), undef, 'get accuracy');
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is(bigint->accuracy(12), 12, 'set accuracy to 12');
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is(bigint->accuracy(), 12, 'get accuracy again');
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is(bigint->precision(), undef, 'get precision');
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is(bigint->precision(12), 12, 'set precision to 12');
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is(bigint->precision(), 12, 'get precision again');
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is(bigint->round_mode(), 'even', 'get round mode');
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is(bigint->round_mode('odd'), 'odd', 'set round mode');
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is(bigint->round_mode(), 'odd', 'get round mode again');
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###############################################################################
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# hex() and oct()
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my $class = 'Math::BigInt';
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is(ref(hex(1)), $class, qq|ref(hex(1)) = $class|);
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is(ref(hex(0x1)), $class, qq|ref(hex(0x1)) = $class|);
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is(ref(hex("af")), $class, qq|ref(hex("af")) = $class|);
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is(ref(hex("0x1")), $class, qq|ref(hex("0x1")) = $class|);
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is(hex("af"), Math::BigInt->new(0xaf),
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qq|hex("af") = Math::BigInt->new(0xaf)|);
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is(ref(oct("0x1")), $class, qq|ref(oct("0x1")) = $class|);
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is(ref(oct("01")), $class, qq|ref(oct("01")) = $class|);
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is(ref(oct("0b01")), $class, qq|ref(oct("0b01")) = $class|);
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is(ref(oct("1")), $class, qq|ref(oct("1")) = $class|);
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is(ref(oct(" 1")), $class, qq|ref(oct(" 1")) = $class|);
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is(ref(oct(" 0x1")), $class, qq|ref(oct(" 0x1")) = $class|);
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is(ref(oct(0x1)), $class, qq|ref(oct(0x1)) = $class|);
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is(ref(oct(01)), $class, qq|ref(oct(01)) = $class|);
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is(ref(oct(0b01)), $class, qq|ref(oct(0b01)) = $class|);
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is(ref(oct(1)), $class, qq|ref(oct(1)) = $class|);
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