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This channel is intended for people just starting with the Raku Programming Language (raku.org). Logs are available at irclogs.raku.org/raku-beginner/live.html Set by lizmat on 8 June 2022. |
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| habere-et-disper | Please help me understand the difference between x/0 and 0/0 : | 21:28 | |
| m: say 3/0 == 2/0 == 1/0 | |||
| camelia | True | ||
| habere-et-disper | m: say 3/0 == 2/0 == 1/0 == 0/0 | ||
| camelia | False | ||
| librasteve | m: say 3/0 cmp Inf; | 21:29 | |
| Raku eval | Same | ||
| librasteve | m: say 0/0 cmp Nan; | ||
| Raku eval | Exit code: 1 ===SORRY!=== Error while compiling /home/glot/main.raku Undeclared name: Nan used at line 1 | ||
| nemokosch | probably NaN | ||
| librasteve | m: say 0/0 cmp NaN; | 21:30 | |
| Raku eval | Same | ||
| librasteve | en.wikipedia.org/wiki/IEEE_754 | ||
| nemokosch | however, 1/0 is not Inf itself | 21:31 | |
| m: (1/0, 0/0)>>.WHICH>>.say | 21:32 | ||
| Raku eval | Rat|1/0 Rat|0/0 | ||
| nemokosch | these are very fragile rationals | ||
| m: (2/0).WHICH.say | |||
| Raku eval | Rat|1/0 | ||
| nemokosch | and apparently for positive nominators they share an identity | 21:34 | |
| librasteve | this is the docs Converts the number to a Rat with $epsilon precision. If the invocant is a Inf, -Inf, or a NaN, converts them to a Rat with 0 denominator and 1, -1, or 0 numerator, respectively. | 21:36 | |
| docs.raku.org/type/Num#method_Rat | |||
| habere-et-disper | =D | ||
| librasteve | seems perfectly Rational to me ;-) | ||
| habere-et-disper | (If a bit Complex at first.) (y) | ||
| librasteve | XD | 21:37 | |
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