Add CI framework

  - travis with valgrind, cppcheck, ubsan, codecov, covscan (future)
  - appveyor with MSVC 2010 through 2017, cygwin 32/64, mingw 32/64
  - README, LICENSE, etc.

.codecov.yml

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+fixes:
+  - home/travis/build/*/boost-root/boost/::include/boost/
+  - home/travis/build/*/boost-root/libs/*/src/::src/

.travis.yml

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+# Copyright 2016 Peter Dimov
+# Copyright 2017, 2018 James E. King III
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+#
+# Generic Travis CI build script for boostorg repositories
+#
+# Instructions for customizing this script for your library:
+# 
+# 1. Copy the ci/ directory from the same source into your project:
+#    ci/build.sh runs the build
+#    ci/codecov.sh is used to run a profiling build and upload results to codecov.io
+#    ci/coverity.sh is used to run a coverity build and upload results to coverity scan
+# 2. Customize the compilers and language levels you want.  Default is C++03.
+# 3. Update the global B2 environment settings to your liking.
+# 4. If you have more than include/, src/, and test/ directories then
+#    add them to the depinst.py line as "--include tools" for tools/ (you
+#    can put multiple --include on the command line).
+# 5. If you want to enable Coverity Scan, you need to provide the environment
+#    variables COVERITY_SCAN_TOKEN and COVERITY_SCAN_NOTIFICATION_EMAIL in
+#    your github settings.
+# 6. Enable pull request builds in your boostorg/<library> account.
+# 7. Change the default C++ version in ci/*.sh (search for CXXSTD)
+#
+# That's it - the scripts will do everything else for you.
+
+sudo: false
+dist: trusty
+language: cpp
+
+env:
+  global:
+  # see: http://www.boost.org/build/doc/html/bbv2/overview/invocation.html#bbv2.overview.invocation.properties
+  # to use the default for a given environment, comment it out; recommend you build debug and release however..
+  # - B2_ADDRESS_MODEL=address-model=64,32
+  # - B2_LINK=link=shared,static
+  # - B2_THREADING=threading=multi,single
+    - B2_VARIANT=variant=release,debug
+
+install:
+  - export SLUG=`basename $TRAVIS_BUILD_DIR`
+  - export SELF=numeric/`basename $TRAVIS_BUILD_DIR`
+  - cd ..
+  - git clone -b $TRAVIS_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+  - cd boost-root
+  - git submodule update -q --init tools/boostdep
+  - git submodule update -q --init tools/build
+  - git submodule update -q --init tools/inspect
+  - cp -r $TRAVIS_BUILD_DIR/* libs/$SELF
+  - export BOOST_ROOT="`pwd`"
+  - export PATH="`pwd`":$PATH 
+  - python tools/boostdep/depinst/depinst.py --include examples $SELF
+  - ./bootstrap.sh
+  - ./b2 headers
+
+addons:
+  apt:
+    packages:
+      - binutils-gold
+      - gdb
+      - libc6-dbg
+
+branches:
+  only:
+    - develop
+    - master
+
+script:
+  - cd libs/$SELF
+  - ci/build.sh
+
+jobs:
+  include:
+    #################### Jobs to run on every pull request ####################
+    - os: linux
+      env: 
+        - COMMENT="C++03"
+        - TOOLSET=gcc,gcc-7,clang
+      addons:
+        apt:
+          packages:
+            - g++-7
+          sources:
+            - ubuntu-toolchain-r-test
+    - os: linux
+      env: 
+        - COMMENT="C++11"
+        - TOOLSET=gcc,gcc-7,clang
+        - CXXSTD=11
+      addons:
+        apt:
+          packages:
+            - g++-7
+          sources:
+            - ubuntu-toolchain-r-test
+    - os: linux
+      env: 
+        - COMMENT=valgrind
+        - TOOLSET=clang 
+        - B2_VARIANT=variant=debug
+        - TESTFLAGS=testing.launcher=valgrind
+      addons:
+        apt:
+          packages:
+            - clang-5.0
+            - libstdc++-7-dev
+            - valgrind
+          sources:
+            - llvm-toolchain-trusty-5.0
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      env:
+        - COMMENT=cppcheck
+      script:
+        - libs/$SELF/ci/cppcheck.sh
+
+    - os: linux
+      env:
+        - COMMENT=UBSAN
+        - B2_VARIANT=variant=debug
+        - TOOLSET=gcc-7
+        - CXXFLAGS="cxxflags=-fno-omit-frame-pointer cxxflags=-fsanitize=undefined cxxflags=-fno-sanitize-recover=undefined"
+        - LINKFLAGS="linkflags=-fsanitize=undefined linkflags=-fno-sanitize-recover=undefined linkflags=-fuse-ld=gold"
+        - UBSAN_OPTIONS=print_stacktrace=1
+      addons:
+        apt:
+          packages:
+            - g++-7
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      env: 
+        - COMMENT=CodeCov
+        - TOOLSET=gcc-7
+      addons:
+        apt:
+          packages:
+            - gcc-7
+            - g++-7
+          sources:
+            - ubuntu-toolchain-r-test
+      script:
+        - pushd /tmp && git clone https://github.com/linux-test-project/lcov.git && cd lcov && sudo make install && which lcov && lcov --version && popd
+        - cd libs/$SELF
+        - ci/codecov.sh
+
+  # osx was disabled because it is very slow to start (can delay builds by 30 minutes)
+  # - os: osx
+  #   osx_image: xcode9
+  #   env:
+  #     - TOOLSET=clang
+  #     - CXXSTD=03,11
+
+    #################### Jobs to run on pushes to master, develop ###################
+
+    # Coverity Scan
+    - os: linux
+      if: (branch IN (develop, master)) AND (type IN (cron, push))
+      env:
+        - COMMENT="Coverity Scan"
+        - TOOLSET=gcc
+      script:
+        - echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-
+        - cd libs/$SELF
+        - ci/coverity.sh
+
+notifications:
+  email:
+    false
+

Jamfile

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+#  Boost.Interval Library Jamfile
+#
+#  Copyright (c) 2018 James E. King III
+#
+#  Use, modification, and distribution are subject to the
+#  Boost Software License, Version 1.0. (See accompanying file
+#  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+# please order by name to ease maintenance
+build-project examples ;
+build-project test ;

LICENSE

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+Boost Software License - Version 1.0 - August 17th, 2003
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

README.md

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+Interval, part of the collection of [Boost C++ Libraries](http://github.com/boostorg), is intended to help manipulating mathematical intervals.
+
+### License
+
+Distributed under the [Boost Software License, Version 1.0](http://www.boost.org/LICENSE_1_0.txt).
+
+### Properties
+
+* C++03
+* Header-only
+
+### Build Status
+
+Branch          | Travis | Appveyor | Coverity Scan | codecov.io | Deps | Docs | Tests |
+:-------------: | ------ | -------- | ------------- | ---------- | ---- | ---- | ----- |
+[`master`](https://github.com/boostorg/interval/tree/master) | [![Build Status](https://travis-ci.org/boostorg/interval.svg?branch=master)](https://travis-ci.org/boostorg/interval) | [![Build status](https://ci.appveyor.com/api/projects/status/tkcumf8nu6tb697d/branch/master?svg=true)](https://ci.appveyor.com/project/jeking3/interval-bhjc4/branch/master) | [![Coverity Scan Build Status](https://scan.coverity.com/projects/14007/badge.svg)](https://scan.coverity.com/projects/boostorg-interval) | [![codecov](https://codecov.io/gh/boostorg/interval/branch/master/graph/badge.svg)](https://codecov.io/gh/boostorg/interval/branch/master) | [![Deps](https://img.shields.io/badge/deps-master-brightgreen.svg)](https://pdimov.github.io/boostdep-report/master/interval.html) | [![Documentation](https://img.shields.io/badge/docs-master-brightgreen.svg)](http://www.boost.org/doc/libs/master/doc/html/interval.html) | [![Enter the Matrix](https://img.shields.io/badge/matrix-master-brightgreen.svg)](http://www.boost.org/development/tests/master/developer/interval.html)
+[`develop`](https://github.com/boostorg/interval/tree/develop) | [![Build Status](https://travis-ci.org/boostorg/interval.svg?branch=develop)](https://travis-ci.org/boostorg/interval) | [![Build status](https://ci.appveyor.com/api/projects/status/tkcumf8nu6tb697d/branch/develop?svg=true)](https://ci.appveyor.com/project/jeking3/interval-bhjc4/branch/develop) | [![Coverity Scan Build Status](https://scan.coverity.com/projects/14007/badge.svg)](https://scan.coverity.com/projects/boostorg-interval) | [![codecov](https://codecov.io/gh/boostorg/interval/branch/develop/graph/badge.svg)](https://codecov.io/gh/boostorg/interval/branch/develop) | [![Deps](https://img.shields.io/badge/deps-develop-brightgreen.svg)](https://pdimov.github.io/boostdep-report/develop/interval.html) | [![Documentation](https://img.shields.io/badge/docs-develop-brightgreen.svg)](http://www.boost.org/doc/libs/develop/doc/html/interval.html) | [![Enter the Matrix](https://img.shields.io/badge/matrix-develop-brightgreen.svg)](http://www.boost.org/development/tests/develop/developer/interval.html)
+
+### Directories
+
+| Name        | Purpose                        |
+| ----------- | ------------------------------ |
+| `ci`        | continuous integration scripts |
+| `doc`       | documentation                  |
+| `examples`  | use case examples              |
+| `include`   | headers                        |
+| `test`      | unit tests                     |
+
+### More inintervalion
+
+* [Ask questions](http://stackoverflow.com/questions/ask?tags=c%2B%2B,boost,boost-interval): Be sure to read the documentation first as Boost.Format, like any other string intervalting library, has its own rules.
+* [Report bugs](https://github.com/boostorg/interval/issues): Be sure to mention Boost version, platform and compiler you're using. A small compilable code sample to reproduce the problem is always good as well.
+* [Submit Pull Requests](https://github.com/boostorg/interval/pulls) against the **develop** branch. Note that by submitting patches you agree to license your modifications under the [Boost Software License, Version 1.0](http://www.boost.org/LICENSE_1_0.txt).  Be sure to include tests proving your changes work properly.
+* Discussions about the library are held on the [Boost developers mailing list](http://www.boost.org/community/groups.html#main). Be sure to read the [discussion policy](http://www.boost.org/community/policy.html) before posting and add the `[interval]` tag at the beginning of the subject line.
+

appveyor.yml

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+# Copyright 2016, 2017 Peter Dimov
+# Copyright (C) 2017, 2018 James E. King III
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+version: 1.0.{build}-{branch}
+
+shallow_clone: true
+
+branches:
+  only:
+    - develop
+    - master
+
+matrix:
+  allow_failures:
+    - MAYFAIL: true
+
+environment:
+  global:
+    # see: http://www.boost.org/build/doc/html/bbv2/overview/invocation.html#bbv2.overview.invocation.properties
+    # to use the default for a given environment, comment it out; recommend you build debug and release however..
+    # on Windows it is important to exercise all the possibilities, especially shared vs static
+    # B2_ADDRESS_MODEL: address-model=64,32
+    # B2_LINK: link=shared,static
+    # B2_THREADING: threading=multi,single
+    B2_VARIANT: variant=release,debug
+    CXXSTD: 03
+
+  matrix:
+    - FLAVOR: Visual Studio 2017
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: msvc-14.1
+      B2_ADDRESS_MODEL: address-model=64,32
+    - FLAVOR: Visual Studio 2015
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      TOOLSET: msvc-14.0
+      B2_ADDRESS_MODEL: address-model=64,32
+    - FLAVOR: Visual Studio 2010, 2012, 2013
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
+      TOOLSET: msvc-10.0,msvc-11.0,msvc-12.0
+    - FLAVOR: cygwin (32-bit)
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      ADDPATH: C:\cygwin\bin;
+      B2_ADDRESS_MODEL: address-model=32
+      TOOLSET: gcc
+    - FLAVOR: cygwin (64-bit)
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      ADDPATH: C:\cygwin64\bin;
+      B2_ADDRESS_MODEL: address-model=64
+      TOOLSET: gcc
+    - FLAVOR:  mingw32
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      ARCH:    i686
+      B2_ADDRESS_MODEL: address-model=32
+      SCRIPT:  ci\mingw.bat
+    - FLAVOR:  mingw64
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      ARCH:    x86_64
+      B2_ADDRESS_MODEL: address-model=64
+      SCRIPT:  ci\mingw.bat
+
+install:
+  - set SELF=numeric\%APPVEYOR_PROJECT_SLUG%
+  - cd ..
+  - git clone -b %APPVEYOR_REPO_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+  - cd boost-root
+  - git submodule update -q --init tools/boostdep
+  - git submodule update -q --init tools/build
+  - git submodule update -q --init tools/inspect
+  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\%SELF%
+  - python tools/boostdep/depinst/depinst.py --include examples %SELF%
+  - cmd /c bootstrap
+  - b2 headers
+
+build: off
+
+test_script:
+  - set SELF=numeric\%APPVEYOR_PROJECT_SLUG%
+  - PATH=%ADDPATH%%PATH%
+  - IF DEFINED SCRIPT (call libs\%SELF%\%SCRIPT%) ELSE (b2 libs/%SELF% toolset=%TOOLSET% cxxstd=%CXXSTD% %CXXFLAGS% %DEFINES% %B2_ADDRESS_MODEL% %B2_LINK% %B2_THREADING% %B2_VARIANT% -j3)

ci/build.sh

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+#! /bin/bash
+#
+# Copyright 2017 James E. King III
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+#      http://www.boost.org/LICENSE_1_0.txt)
+#
+# Bash script to run in travis to perform a bjam build
+# cwd should be $BOOST_ROOT/libs/$SELF before running
+#
+
+set -ex
+
+# default language level: c++03
+if [[ -z "$CXXSTD" ]]; then
+    CXXSTD=03
+fi
+
+$BOOST_ROOT/b2 . toolset=$TOOLSET cxxstd=$CXXSTD $CXXFLAGS $DEFINES $LINKFLAGS $TESTFLAGS $B2_ADDRESS_MODEL $B2_LINK $B2_THREADING $B2_VARIANT -j3 $*

ci/codecov.sh

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+#! /bin/bash
+#
+# Copyright 2017, 2018 James E. King III
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+#      http://www.boost.org/LICENSE_1_0.txt)
+#
+# Bash script to run in travis to perform codecov.io integration
+#
+
+###
+### NOTE: Make sure you grab .codecov.yml
+###
+
+# assumes cwd is the top level directory of the boost project
+# assumes an environment variable $SELF is the boost project name
+
+set -ex
+
+B2_VARIANT=debug
+ci/build.sh cxxflags=-fprofile-arcs cxxflags=-ftest-coverage linkflags=-fprofile-arcs linkflags=-ftest-coverage
+
+# switch back to the original source code directory
+cd $TRAVIS_BUILD_DIR
+
+# get the version of lcov
+lcov --version
+
+# coverage files are in ../../b2 from this location
+lcov --gcov-tool=gcov-7 --rc lcov_branch_coverage=1 --base-directory "$BOOST_ROOT/libs/$SELF" --directory "$BOOST_ROOT" --capture --output-file all.info
+
+# all.info contains all the coverage info for all projects - limit to ours
+lcov --gcov-tool=gcov-7 --rc lcov_branch_coverage=1 --extract all.info "*/boost/$SELF/*" "*/libs/$SELF/src/*" --output-file coverage.info
+
+# dump a summary on the console - helps us identify problems in pathing
+lcov --gcov-tool=gcov-7 --rc lcov_branch_coverage=1 --list coverage.info
+
+#
+# upload to codecov.io
+#
+curl -s https://codecov.io/bash > .codecov
+chmod +x .codecov
+./.codecov -f coverage.info -X gcov -x "gcov-7"