# Packages matching: installed
# Name # Installed # Synopsis
base-bigarray base
base-threads base
base-unix base
conf-findutils 1 Virtual package relying on findutils
conf-gmp 4 Virtual package relying on a GMP lib system installation
coq dev Formal proof management system
dune 3.0.3 Fast, portable, and opinionated build system
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
ocaml-secondary-compiler 4.08.1-1 OCaml 4.08.1 Secondary Switch Compiler
ocamlfind 1.9.1 A library manager for OCaml
ocamlfind-secondary 1.9.1 Adds support for ocaml-secondary-compiler to ocamlfind
zarith 1.12 Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "Hugo.Herbelin@inria.fr"
homepage: "https://github.com/coq-contribs/sum-of-two-square"
license: "LGPL 2.1"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/SumOfTwoSquare"]
depends: [
"ocaml"
"coq" {>= "8.7" & < "8.8~"}
]
tags: [ "keyword: number theory" "category: Mathematics/Arithmetic and Number Theory/Number theory" "date: 2004-12-13" ]
authors: [ "Laurent Thery" ]
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/v8.7.0.tar.gz"
checksum: "md5=b9ae619de12f39a74879a014db01619b"
}
trueDry install with the current Coq version:
opam install -y --show-action coq-sum-of-two-square.8.7.0 coq.dev[NOTE] Package coq is already installed (current version is dev).
The following dependencies couldn't be met:
- coq-sum-of-two-square -> coq < 8.8~ -> ocaml < 4.06.0
base of this switch (use `--unlock-base' to force)
Your request can't be satisfied:
- No available version of coq satisfies the constraints
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.8.7.0truetrueNo files were installed.
true