# Packages matching: installed
# Name # Installed # Synopsis
base-bigarray base
base-threads base
base-unix base
conf-findutils 1 Virtual package relying on findutils
coq 8.12.0 Formal proof management system
num 1.4 The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml 4.06.1 The OCaml compiler (virtual package)
ocaml-base-compiler 4.06.1 Official 4.06.1 release
ocaml-config 1 OCaml Switch Configuration
ocamlfind 1.9.5 A library manager for OCaml
# opam file:
opam-version: "2.0"
maintainer: "matej.kosik@inria.fr"
homepage: "https://github.com/coq-contribs/sum-of-two-square"
license: "LGPL 2"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/SumOfTwoSquare"]
depends: [
"ocaml"
"coq" {>= "8.5" & < "8.6~"}
]
tags: [ "keyword:number theory" "category:Mathematics/Arithmetic and Number Theory/Number theory" "date:2004-12-13" ]
authors: [ "Laurent Théry <>" ]
bug-reports: "https://github.com/coq-contribs/sum-of-two-square/issues"
dev-repo: "git+https://github.com/coq-contribs/sum-of-two-square.git"
synopsis: "Numbers equal to the sum of two square numbers"
description: """
A proof that a number n can be written as the
sum of two square numbers if and only if each prime factor p of n
that is equal to 3 modulo 4 has its exponent in the decomposition of n
that is even."""
flags: light-uninstall
url {
src:
"https://github.com/coq-contribs/sum-of-two-square/archive/v8.5.0.tar.gz"
checksum: "md5=ed5edb5f3c6fb48ed7ff352767db6264"
}
trueDry install with the current Coq version:
opam install -y --show-action coq-sum-of-two-square.8.5.0 coq.8.12.0[NOTE] Package coq is already installed (current version is 8.12.0).
The following dependencies couldn't be met:
- coq-sum-of-two-square -> coq < 8.6~ -> ocaml < 4.06.0
base of this switch (use `--unlock-base' to force)
No solution found, exiting
Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:
opam remove -y coq; opam install -y --show-action --unlock-base coq-sum-of-two-square.8.5.0truetrueNo files were installed.
true