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better Hash for Float64/Float32 #90

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soc opened this issue Dec 18, 2023 · 1 comment
Closed

better Hash for Float64/Float32 #90

soc opened this issue Dec 18, 2023 · 1 comment
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enhancement improving existing functionality good first issue good for newcomers help wanted other contributors might be interested in this language-core changes to the Core language (syntax, semantics, ...)
Milestone
0.7 – new develop...

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soc commented Dec 18, 2023 •
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Investigate a hash function for which hash(0.0) == hash(-0.0).

This is required to make patterns such as identical || equal that are commonly found in hash-based collections work correctly.

Start by looking for what's already out there.
@soc soc mentioned this issue Dec 18, 2023
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@soc soc added this to the 0.7 – new developments milestone Dec 18, 2023
@soc soc added enhancement improving existing functionality help wanted other contributors might be interested in this good first issue good for newcomers language-core changes to the Core language (syntax, semantics, ...) labels Dec 18, 2023
@soc soc changed the title investigate Hash function for which hash(0.0) == hash(-0.0), search what's already out there better Hash for Float64/Float32 Dec 18, 2023
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soc commented Dec 21, 2023

Some interesting notes in this article and its follow-ups, but not directly applicable here.

@soc soc closed this as completed Dec 21, 2023
@soc soc reopened this Dec 21, 2023
@soc soc closed this as completed in 9e39418 Dec 21, 2023
soc added a commit that referenced this issue Dec 21, 2023
@soc
stdlib: better Hash for Float64/Float32
4916c8f 
fixes #90
soc added a commit that referenced this issue Dec 21, 2023
@soc
stdlib: better Hash for Float64/Float32
1721514 
fixes #90
soc added a commit that referenced this issue Dec 21, 2023
@soc
stdlib: better Hash for Float64/Float32
5aef0c4 
fixes #90
soc added a commit that referenced this issue Dec 28, 2023
@soc
stdlib: better Hash for Float64/Float32
090516b 
fixes #90
soc added a commit that referenced this issue Jun 1, 2024
@soc
stdlib: better Hash for Float64/Float32
d970774 
fixes #90
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enhancement improving existing functionality good first issue good for newcomers help wanted other contributors might be interested in this language-core changes to the Core language (syntax, semantics, ...)
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