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#!perl
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use strict;
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use warnings;
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use Test::More tests => 2436 # tests in require'd file
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+ 19; # tests in this file
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use Math::BigInt only => 'FastCalc';
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use Math::BigFloat;
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our ($CLASS, $CALC);
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$CLASS = "Math::BigFloat";
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$CALC = Math::BigInt -> config('lib'); # backend library
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is($CLASS->config()->{class}, $CLASS, "$CLASS->config()->{class}");
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is($CLASS->config()->{with}, $CALC, "$CLASS->config()->{with}");
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# bug #17447: Can't call method Math::BigFloat->bsub, not a valid method
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my $c = Math::BigFloat->new('123.3');
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is($c->bsub(123), '0.3',
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qq|\$c = Math::BigFloat -> new("123.3"); \$y = \$c -> bsub("123")|);
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# Bug until Math::BigInt v1.86, the scale wasn't treated as a scalar:
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$c = Math::BigFloat->new('0.008');
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my $d = Math::BigFloat->new(3);
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my $e = $c->bdiv(Math::BigFloat->new(3), $d);
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is($e, '0.00267', '0.008 / 3 = 0.0027');
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my $x;
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#############################################################################
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# bgcd() as function, class method and instance method.
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my $gcd0 = Math::BigFloat::bgcd(-12, 18, 27);
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isa_ok($gcd0, "Math::BigFloat", "bgcd() as function");
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is($gcd0, 3, "bgcd() as function");
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my $gcd1 = Math::BigFloat->bgcd(-12, 18, 27);
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isa_ok($gcd1, "Math::BigFloat", "bgcd() as class method");
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is($gcd1, 3, "bgcd() as class method");
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$x = Math::BigFloat -> new(-12);
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my $gcd2 = $x -> bgcd(18, 27);
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isa_ok($gcd2, "Math::BigFloat", "bgcd() as instance method");
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is($gcd2, 3, "bgcd() as instance method");
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is($x, -12, "bgcd() does not modify invocand");
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#############################################################################
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# blcm() as function, class method and instance method.
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my $lcm0 = Math::BigFloat::blcm(-12, 18, 27);
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isa_ok($lcm0, "Math::BigFloat", "blcm() as function");
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is($lcm0, 108, "blcm() as function");
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my $lcm1 = Math::BigFloat->blcm(-12, 18, 27);
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isa_ok($lcm1, "Math::BigFloat", "blcm() as class method");
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is($lcm1, 108, "blcm() as class method");
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$x = Math::BigFloat -> new(-12);
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my $lcm2 = $x -> blcm(18, 27);
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isa_ok($lcm2, "Math::BigFloat", "blcm() as instance method");
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is($lcm2, 108, "blcm() as instance method");
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is($x, -12, "blcm() does not modify invocand");
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#############################################################################
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SKIP: {
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skip("skipping test which is not for this backend", 1)
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unless $CALC eq 'Math::BigInt::Calc';
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is(ref($e->{_e}->[0]), '', '$e->{_e}->[0] is a scalar');
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}
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require 't/bigfltpm.inc'; # all tests here for sharing
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