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[bug#58261] [PATCH 01/11] gnu: Add fast-float.
From: |
David Elsing |
Subject: |
[bug#58261] [PATCH 01/11] gnu: Add fast-float. |
Date: |
Fri, 07 Oct 2022 15:08:27 +0000 |
Liliana Marie Prikler <liliana.prikler@tugraz.at> writes:
> Am Montag, dem 03.10.2022 um 00:19 +0000 schrieb David Elsing:
>> * gnu/packages/cpp.scm (fast-float): New variable.
>> ---
>> gnu/packages/cpp.scm | 24 ++++++++++++++++++++++++
>> 1 file changed, 24 insertions(+)
>>
>> diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
>> index d03e0bc7e1..e597dba40c 100644
>> --- a/gnu/packages/cpp.scm
>> +++ b/gnu/packages/cpp.scm
>> @@ -29,6 +29,7 @@
>> ;;; Copyright © 2022 muradm <mail@muradm.net>
>> ;;; Copyright © 2022 Attila Lendvai <attila@lendvai.name>
>> ;;; Copyright © 2022 Arun Isaac <arunisaac@systemreboot.net>
>> +;;; Copyright © 2022 David Elsing <david.elsing@posteo.net>
>> ;;;
>> ;;; This file is part of GNU Guix.
>> ;;;
>> @@ -1907,3 +1908,26 @@ (define-public cpp-mustache
>> templated string type for compatibility with any STL-like string
>> (std::string,
>> std::wstring, etc).")
>> (license license:boost1.0)))
>> +
>> +(define-public fast-float
>> + (package
>> + (name "fast-float")
>> + (version "3.5.1")
>> + (source (origin
>> + (method git-fetch)
>> + (uri (git-reference
>> + (url "https://github.com/fastfloat/fast_float")
>> + (commit (string-append "v" version))))
>> + (file-name (git-file-name name version))
>> + (sha256
>> + (base32
>> +
>> "0z3rxxd0pwvw70dbnv63rm67biw829vdqf50y16isxm6g3sbrz8g"))))
>> + (build-system cmake-build-system)
>> + (arguments
>> + ;; Tests require downloading a lot of additional data
>> + (list #:tests? #f))
> I'm not quite sure how much you mean by "a lot" – it seems to be one
> repo [1], but more importantly, you could try to disable the tests that
> require external fetches.
It's 262 MiB, so not too much. Oh sorry, I didn't notice that it was
just one test, but now I included the test data anyway.
>> + (home-page "https://github.com/fastfloat/fast_float")
>> + (synopsis "Fast and exact implementation of the C++ from_chars
>> functions")
> I'd call this a "Floating point number parser" or if you prefer the
> verb form "Parse floating point numbers".
>> + (description "@code{fast_float} is a header-only C++ library
>> which provides fast
>> +implementations of the from_chars functions for float and double
>> types.")
> "@code{fast_float} is a header-only C++ library for parsing floating
> point numbers from strings." If you want to mention its speed, add
> "Benchmarks show that it is several times faster than strtod."
Is it better now? I don't think it's necessary to mention speed.
>> + (license (list license:asl2.0 license:expat)))) ; dual licensed
> Weird choice, but okay.
>
> Cheers
- [bug#58261] [PATCH 00/11] Add rdkit., David Elsing, 2022/10/02
- [bug#58261] [PATCH 01/11] gnu: Add fast-float., David Elsing, 2022/10/02
- [bug#58261] [PATCH 02/11] gnu: Add pocketfft., David Elsing, 2022/10/02
- [bug#58261] [PATCH 03/11] gnu: Add sajson., David Elsing, 2022/10/02
- [bug#58261] [PATCH 09/11] gnu: Add coordgenlibs., David Elsing, 2022/10/02
- [bug#58261] [PATCH 11/11] gnu: Add rdkit., David Elsing, 2022/10/02