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| -rw-r--r-- | gnu/packages/golang-maths.scm | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gnu/packages/golang-maths.scm b/gnu/packages/golang-maths.scm index 957e625cdf..b14533c169 100644 --- a/gnu/packages/golang-maths.scm +++ b/gnu/packages/golang-maths.scm @@ -115,6 +115,47 @@ and GCC’s decimal extension.") (list #:import-path "github.com/cockroachdb/apd/v3")))) +(define-public go-github-com-johncgriffin-overflow + (package + (name "go-github-com-johncgriffin-overflow") + (version "0.0.0-20211019200055-46fa312c352c") + (source + (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/JohnCGriffin/overflow") + (commit (go-version->git-ref version)))) + (file-name (git-file-name name version)) + (sha256 + (base32 "1g4sfhdmzjl5vr16lfv7nv042w8dbz608bwzyvf7xlw4i7ypjjpq")))) + (build-system go-build-system) + (arguments + (list + #:import-path "github.com/JohnCGriffin/overflow" + #:phases + #~(modify-phases %standard-phases + (add-after 'unpack 'generate-impl + ;; Note that because Go has no template types, the majority of + ;; repetitive code is generated by overflow_template.sh. If you + ;; have to change an algorithm, change it there and regenerate the + ;; Go code. + (lambda* (#:key import-path #:allow-other-keys) + (with-directory-excursion (string-append "src/" import-path) + (substitute* "overflow_template.sh" + (("/bin/sh") (which "sh"))) + (make-file-writable "overflow_impl.go") + (invoke "./overflow_template.sh") + (invoke "go" "generate"))))))) + (home-page "https://github.com/JohnCGriffin/overflow") + (synopsis "Check for int/int64/int32 arithmetic overflow in Golang") + (description + "This package offers overflow-checked integer arithmetic operations for +@code{int},@code{int32}, and @code{int64}. Each of the operations returns a +@code{result,bool} combination. This was prompted by the need to know when to +flow into higher precision types from the @code{math.big} library.") + ;; It's in README, see <https://github.com/JohnCGriffin/overflow/pull/5>. + (license license:expat))) + (define-public go-github-com-montanaflynn-stats (package (name "go-github-com-montanaflynn-stats") |