Created
November 14, 2011 21:55
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| my $knowhow := pir::get_knowhow__P(); | |
| my $bi_type := $knowhow.new_type(:name('TestBigInt'), :repr('P6bigint')); | |
| $bi_type.HOW.compose($bi_type); | |
| sub str($x) { pir::nqp_bigint_to_str__SP($x) }; | |
| my $float := 123456789e240; | |
| say($float); | |
| say(str(nqp::fromnum_I($float, $bi_type))); | |
| say(nqp::tonum_I(nqp::fromnum_I($float, $bi_type))); |
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| 1.23456789e+248 | |
| 123456788999986831256086247028260837404218218866805099569198413237038405179144671342780018654965011100898948862467045461038125012276636029689988402417542284055506720527760368106755663981427477197667179329065318736081832508978884302520094994515099648 | |
| 1.23456788999987e+248 |
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Output on linux/amd64
1.23456789e+248
123456789000000021449798433851373863133952196288514562072799836691446642565259740671674042112991278243860357042943712804798127837874595663434043201880611994720195470402719049156231937122225032251533905389452554170522982324097391888146965015742644224
1.23456789e+248