initial commit

2026-10-22 09:23:54 +08:00
commit 63f557a39f
4448 changed files with 584487 additions and 0 deletions
@@ -0,0 +1,6 @@
+get_property(EIGEN_TESTS_LIST GLOBAL PROPERTY EIGEN_TESTS_LIST)
+configure_file(buildtests.in ${CMAKE_BINARY_DIR}/buildtests.sh @ONLY)
+
+configure_file(check.in ${CMAKE_BINARY_DIR}/check.sh COPYONLY)
+configure_file(debug.in ${CMAKE_BINARY_DIR}/debug.sh COPYONLY)
+configure_file(release.in ${CMAKE_BINARY_DIR}/release.sh COPYONLY)
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+if [[ $# != 1 || $1 == *help ]]
+then
+  echo "usage: $0 regexp"
+  echo "  Builds tests matching the regexp."
+  echo "  The EIGEN_MAKE_ARGS environment variable allows to pass args to 'make'."
+  echo "    For example, to launch 5 concurrent builds, use EIGEN_MAKE_ARGS='-j5'"
+  exit 0
+fi
+
+TESTSLIST="@EIGEN_TESTS_LIST@"
+targets_to_make=$(echo "$TESTSLIST" | grep -E "$1" | xargs echo)
+
+if [ -n "${EIGEN_MAKE_ARGS:+x}" ]
+then
+  @CMAKE_MAKE_PROGRAM@ $targets_to_make ${EIGEN_MAKE_ARGS}
+else
+  @CMAKE_MAKE_PROGRAM@ $targets_to_make @EIGEN_TEST_BUILD_FLAGS@
+fi
+exit $?
+
@@ -0,0 +1,49 @@
+
+set(CTEST_SOURCE_DIRECTORY  "@CMAKE_SOURCE_DIR@")
+set(CTEST_BINARY_DIRECTORY  "@CMAKE_BINARY_DIR@")
+set(CTEST_CMAKE_GENERATOR   "@CMAKE_GENERATOR@")
+set(CTEST_BUILD_NAME        "@BUILDNAME@")
+set(CTEST_SITE              "@SITE@")
+
+set(MODEL Experimental)
+if(${CTEST_SCRIPT_ARG} MATCHES Nightly)
+  set(MODEL Nightly)
+elseif(${CTEST_SCRIPT_ARG} MATCHES Continuous)
+  set(MODEL Continuous)
+endif()
+
+find_program(CTEST_GIT_COMMAND NAMES git)
+set(CTEST_UPDATE_COMMAND "${CTEST_GIT_COMMAND}")
+
+ctest_start(${MODEL} ${CTEST_SOURCE_DIRECTORY} ${CTEST_BINARY_DIRECTORY})
+
+ctest_update(SOURCE "${CTEST_SOURCE_DIRECTORY}")
+ctest_submit(PARTS Update Notes)
+
+# to get CTEST_PROJECT_SUBPROJECTS definition:
+include("${CTEST_SOURCE_DIRECTORY}/CTestConfig.cmake")
+
+foreach(subproject ${CTEST_PROJECT_SUBPROJECTS})
+  message("")
+  message("Process ${subproject}")
+  
+  set_property(GLOBAL PROPERTY SubProject ${subproject})
+  set_property(GLOBAL PROPERTY Label ${subproject})
+
+  ctest_configure(BUILD ${CTEST_BINARY_DIRECTORY} SOURCE ${CTEST_SOURCE_DIRECTORY} )
+  ctest_submit(PARTS Configure)
+
+  set(CTEST_BUILD_TARGET "Build${subproject}")
+  message("Build ${CTEST_BUILD_TARGET}")
+  ctest_build(BUILD "${CTEST_BINARY_DIRECTORY}" APPEND)
+  # builds target ${CTEST_BUILD_TARGET}
+  ctest_submit(PARTS Build)
+
+  ctest_test(BUILD "${CTEST_BINARY_DIRECTORY}" INCLUDE_LABEL "${subproject}" )
+  # runs only tests that have a LABELS property matching "${subproject}"
+  
+  ctest_coverage(BUILD "${CTEST_BINARY_DIRECTORY}" LABELS "${subproject}" )
+  
+  ctest_submit(PARTS Test)
+  
+endforeach()
@@ -0,0 +1,21 @@
+#!/bin/bash
+# check : shorthand for make and ctest -R
+
+if [[ $# != 1 || $1 == *help ]]
+then
+  echo "usage: $0 regexp"
+  echo "  Builds and runs tests matching the regexp."
+  echo "  The EIGEN_MAKE_ARGS environment variable allows to pass args to 'make'."
+  echo "    For example, to launch 5 concurrent builds, use EIGEN_MAKE_ARGS='-j5'"
+  echo "  The EIGEN_CTEST_ARGS environment variable allows to pass args to 'ctest'."
+  echo "    For example, with CTest 2.8, you can use EIGEN_CTEST_ARGS='-j5'."
+  exit 0
+fi
+
+if [ -n "${EIGEN_CTEST_ARGS:+x}" ]
+then
+  ./buildtests.sh "$1" && ctest -R "$1" ${EIGEN_CTEST_ARGS}
+else
+  ./buildtests.sh "$1" && ctest -R "$1"
+fi
+exit $?
@@ -0,0 +1,65 @@
+# Powershell script to set up MSVC cmake builds that mirror the CI.  Useful for reproducing issues.
+
+param ($EIGEN_CI_ROOTDIR,
+       $EIGEN_CI_BUILDDIR,
+       $EIGEN_CI_BUILD_TARGET,
+       $EIGEN_CI_ADDITIONAL_ARGS,
+       $EIGEN_CI_BEFORE_SCRIPT,
+       $EIGEN_CI_CMAKE_GENERATOR,
+       $EIGEN_CI_MSVC_ARCH,
+       $EIGEN_CI_MSVC_VER,
+       $EIGEN_CI_TEST_CUSTOM_CXX_FLAGS
+       )
+
+function Get-ScriptDirectory { Split-Path $MyInvocation.ScriptName }
+       
+# Set defaults if not already set.
+IF (!$EIGEN_CI_ROOTDIR)               { $EIGEN_CI_ROOTDIR               = Join-Path (Get-ScriptDirectory) '..' }
+IF (!$EIGEN_CI_BUILDDIR)              { $EIGEN_CI_BUILDDIR              = ".build" }
+IF (!$EIGEN_CI_BUILD_TARGET)          { $EIGEN_CI_BUILD_TARGET          = "buildtests" }
+IF (!$EIGEN_CI_ADDITIONAL_ARGS)       { $EIGEN_CI_ADDITIONAL_ARGS       = "" }
+IF (!$EIGEN_CI_BEFORE_SCRIPT)         { $EIGEN_CI_BEFORE_SCRIPT         = "" }
+IF (!$EIGEN_CI_CMAKE_GENERATOR)       { $EIGEN_CI_CMAKE_GENERATOR       = "Ninja" }
+IF (!$EIGEN_CI_MSVC_ARCH)             { $EIGEN_CI_MSVC_ARCH             = "x64" }
+IF (!$EIGEN_CI_MSVC_VER)              { $EIGEN_CI_MSVC_VER              = "14.29" }
+IF (!$EIGEN_CI_TEST_CUSTOM_CXX_FLAGS) { $EIGEN_CI_TEST_CUSTOM_CXX_FLAGS = "/d2ReducedOptimizeHugeFunctions /DEIGEN_STRONG_INLINE=inline /Os" }
+
+# Export variables into the global scope
+$global:EIGEN_CI_ROOTDIR               = $EIGEN_CI_ROOTDIR
+$global:EIGEN_CI_BUILDDIR              = $EIGEN_CI_BUILDDIR
+$global:EIGEN_CI_BUILD_TARGET          = $EIGEN_CI_BUILD_TARGET
+$global:EIGEN_CI_ADDITIONAL_ARGS       = $EIGEN_CI_ADDITIONAL_ARGS
+$global:EIGEN_CI_BEFORE_SCRIPT         = $EIGEN_CI_BEFORE_SCRIPT
+$global:EIGEN_CI_CMAKE_GENERATOR       = $EIGEN_CI_CMAKE_GENERATOR
+$global:EIGEN_CI_MSVC_ARCH             = $EIGEN_CI_MSVC_ARCH
+$global:EIGEN_CI_MSVC_VER              = $EIGEN_CI_MSVC_VER
+$global:EIGEN_CI_TEST_CUSTOM_CXX_FLAGS = $EIGEN_CI_TEST_CUSTOM_CXX_FLAGS
+
+# Print configuration variables.
+Get-Variable | findstr EIGEN
+
+
+# Run any setup scripts.
+if ("${EIGEN_CI_BEFORE_SCRIPT}") { Invoke-Expression -Command "${EIGEN_CI_BEFORE_SCRIPT}" }
+
+# Find Visual Studio installation directory.
+$global:VS_INSTALL_DIR = &"${Env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe" -latest -property installationPath
+# Run VCVarsAll.bat incitialization script and extract environment variables.
+# http://allen-mack.blogspot.com/2008/03/replace-visual-studio-command-prompt.html
+cmd.exe /c "`"${VS_INSTALL_DIR}\VC\Auxiliary\Build\vcvarsall.bat`" $EIGEN_CI_MSVC_ARCH -vcvars_ver=$EIGEN_CI_MSVC_VER & set" | foreach { if ($_ -match "=") { $v = $_.split("="); set-item -force -path "ENV:\$($v[0])" -value "$($v[1])" } }
+
+# Create and change to the build directory.
+IF (-Not (Test-Path -Path $EIGEN_CI_BUILDDIR) ) { mkdir $EIGEN_CI_BUILDDIR }
+cd $EIGEN_CI_BUILDDIR
+
+# We need to split EIGEN_CI_ADDITIONAL_ARGS, otherwise they are interpreted
+# as a single argument.  Split by space, unless double-quoted.
+$split_args = [regex]::Split(${EIGEN_CI_ADDITIONAL_ARGS}, ' (?=(?:[^"]|"[^"]*")*$)' )
+cmake -G "${EIGEN_CI_CMAKE_GENERATOR}" -DCMAKE_BUILD_TYPE=MinSizeRel -DEIGEN_TEST_CUSTOM_CXX_FLAGS="${EIGEN_CI_TEST_CUSTOM_CXX_FLAGS}" ${split_args} "${EIGEN_CI_ROOTDIR}"
+
+IF ($EIGEN_CI_BUILD_TARGET) {
+  # Windows builds sometimes fail due heap errors. In that case, try
+  # building the rest, then try to build again with a single thread.
+  cmake --build . --target $EIGEN_CI_BUILD_TARGET -- -k0 || cmake --build . --target $EIGEN_CI_BUILD_TARGET -- -k0 -j1
+}
+
@@ -0,0 +1,31 @@
+# Powershell script to set up MSVC CUDA cmake builds that mirror the CI.  Useful for reproducing issues.
+
+param ($EIGEN_CI_ROOTDIR,
+       $EIGEN_CI_BUILDDIR,
+       $EIGEN_CI_BUILD_TARGET,
+       $EIGEN_CI_ADDITIONAL_ARGS,
+       $EIGEN_CI_BEFORE_SCRIPT,
+       $EIGEN_CI_CMAKE_GENERATOR,
+       $EIGEN_CI_MSVC_ARCH,
+       $EIGEN_CI_MSVC_VER,
+       $EIGEN_CI_TEST_CUSTOM_CXX_FLAGS,
+
+       $EIGEN_CI_CUDA_CXX_FLAGS,
+       $EIGEN_CI_CUDA_COMPUTE_ARCH
+       )
+
+# Set defaults if not already set.
+IF (!$EIGEN_CI_CUDA_CXX_FLAGS)    { $EIGEN_CI_CUDA_CXX_FLAGS    = "" }
+IF (!$EIGEN_CI_CUDA_COMPUTE_ARCH) { $EIGEN_CI_CUDA_COMPUTE_ARCH = "50;70" }
+IF (!$EIGEN_CI_BUILD_TARGET)      { $EIGEN_CI_BUILD_TARGET      = "buildtests_gpu" }
+IF (!$EIGEN_CI_ADDITIONAL_ARGS)   { $EIGEN_CI_ADDITIONAL_ARGS   = '-DCMAKE_CUDA_COMPILER=nvcc.exe -DCMAKE_CUDA_SEPARABLE_COMPILATION=OFF -DEIGEN_TEST_CUDA=on -DEIGEN_CUDA_CXX_FLAGS='+${EIGEN_CI_CUDA_CXX_FLAGS}+' -DEIGEN_CUDA_COMPUTE_ARCH='+${EIGEN_CI_CUDA_COMPUTE_ARCH} }
+
+
+# Export variables into the global scope
+$global:EIGEN_CI_CUDA_CXX_FLAGS    = $EIGEN_CI_CUDA_CXX_FLAGS
+$global:EIGEN_CI_CUDA_COMPUTE_ARCH = $EIGEN_CI_CUDA_COMPUTE_ARCH
+
+# Call the generic msvc setup scripts.
+function Get-ScriptDirectory { Split-Path $MyInvocation.ScriptName }
+$script = Join-Path (Get-ScriptDirectory) 'ci_cmake_msvc.ps1'
+& $script $EIGEN_CI_ROOTDIR $EIGEN_CI_BUILDDIR  $EIGEN_CI_BUILD_TARGET $EIGEN_CI_ADDITIONAL_ARGS $EIGEN_CI_BEFORE_SCRIPT $EIGEN_CI_CMAKE_GENERATOR $EIGEN_CI_MSVC_ARCH $EIGEN_CI_MSVC_VER $EIGEN_CI_TEST_CUSTOM_CXX_FLAGS
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+cmake -DCMAKE_BUILD_TYPE=Debug .
@@ -0,0 +1,210 @@
+#include <string>
+#include <sstream>
+#include <iostream>
+#include <fstream>
+#include <iomanip>
+#include <map>
+#include <list>
+
+using namespace std;
+
+// this function takes a line that may contain a name and/or email address,
+// and returns just the name, while fixing the "bad cases".
+std::string contributor_name(const std::string& line) {
+  string result;
+
+  // let's first take care of the case of isolated email addresses, like
+  // "user@localhost.localdomain" entries
+  if (line.find("markb@localhost.localdomain") != string::npos) {
+    return "Mark Borgerding";
+  }
+
+  if (line.find("kayhman@contact.intra.cea.fr") != string::npos) {
+    return "Guillaume Saupin";
+  }
+
+  // from there on we assume that we have a entry of the form
+  // either:
+  //   Bla bli Blurp
+  // or:
+  //   Bla bli Blurp <bblurp@email.com>
+
+  size_t position_of_email_address = line.find_first_of('<');
+  if (position_of_email_address != string::npos) {
+    // there is an e-mail address in <...>.
+
+    // Hauke once committed as "John Smith", fix that.
+    if (line.find("hauke.heibel") != string::npos)
+      result = "Hauke Heibel";
+    else {
+      // just remove the e-mail address
+      result = line.substr(0, position_of_email_address);
+    }
+  } else {
+    // there is no e-mail address in <...>.
+
+    if (line.find("convert-repo") != string::npos)
+      result = "";
+    else
+      result = line;
+  }
+
+  // remove trailing spaces
+  size_t length = result.length();
+  while (length >= 1 && result[length - 1] == ' ') result.erase(--length);
+
+  return result;
+}
+
+// parses hg churn output to generate a contributors map.
+map<string, int> contributors_map_from_churn_output(const char* filename) {
+  map<string, int> contributors_map;
+
+  string line;
+  ifstream churn_out;
+  churn_out.open(filename, ios::in);
+  while (!getline(churn_out, line).eof()) {
+    // remove the histograms "******" that hg churn may draw at the end of some lines
+    size_t first_star = line.find_first_of('*');
+    if (first_star != string::npos) line.erase(first_star);
+
+    // remove trailing spaces
+    size_t length = line.length();
+    while (length >= 1 && line[length - 1] == ' ') line.erase(--length);
+
+    // now the last space indicates where the number starts
+    size_t last_space = line.find_last_of(' ');
+
+    // get the number (of changesets or of modified lines for each contributor)
+    int number;
+    istringstream(line.substr(last_space + 1)) >> number;
+
+    // get the name of the contributor
+    line.erase(last_space);
+    string name = contributor_name(line);
+
+    map<string, int>::iterator it = contributors_map.find(name);
+    // if new contributor, insert
+    if (it == contributors_map.end()) contributors_map.insert(pair<string, int>(name, number));
+    // if duplicate, just add the number
+    else
+      it->second += number;
+  }
+  churn_out.close();
+
+  return contributors_map;
+}
+
+// find the last name, i.e. the last word.
+// for "van den Schbling" types of last names, that's not a problem, that's actually what we want.
+string lastname(const string& name) {
+  size_t last_space = name.find_last_of(' ');
+  if (last_space >= name.length() - 1)
+    return name;
+  else
+    return name.substr(last_space + 1);
+}
+
+struct contributor {
+  string name;
+  int changedlines;
+  int changesets;
+  string url;
+  string misc;
+
+  contributor() : changedlines(0), changesets(0) {}
+
+  bool operator<(const contributor& other) { return lastname(name).compare(lastname(other.name)) < 0; }
+};
+
+void add_online_info_into_contributors_list(list<contributor>& contributors_list, const char* filename) {
+  string line;
+  ifstream online_info;
+  online_info.open(filename, ios::in);
+  while (!getline(online_info, line).eof()) {
+    string hgname, realname, url, misc;
+
+    size_t last_bar = line.find_last_of('|');
+    if (last_bar == string::npos) continue;
+    if (last_bar < line.length()) misc = line.substr(last_bar + 1);
+    line.erase(last_bar);
+
+    last_bar = line.find_last_of('|');
+    if (last_bar == string::npos) continue;
+    if (last_bar < line.length()) url = line.substr(last_bar + 1);
+    line.erase(last_bar);
+
+    last_bar = line.find_last_of('|');
+    if (last_bar == string::npos) continue;
+    if (last_bar < line.length()) realname = line.substr(last_bar + 1);
+    line.erase(last_bar);
+
+    hgname = line;
+
+    // remove the example line
+    if (hgname.find("MercurialName") != string::npos) continue;
+
+    list<contributor>::iterator it;
+    for (it = contributors_list.begin(); it != contributors_list.end() && it->name != hgname; ++it) {
+    }
+
+    if (it == contributors_list.end()) {
+      contributor c;
+      c.name = realname;
+      c.url = url;
+      c.misc = misc;
+      contributors_list.push_back(c);
+    } else {
+      it->name = realname;
+      it->url = url;
+      it->misc = misc;
+    }
+  }
+}
+
+int main() {
+  // parse the hg churn output files
+  map<string, int> contributors_map_for_changedlines = contributors_map_from_churn_output("churn-changedlines.out");
+  // map<string,int> contributors_map_for_changesets = contributors_map_from_churn_output("churn-changesets.out");
+
+  // merge into the contributors list
+  list<contributor> contributors_list;
+  map<string, int>::iterator it;
+  for (it = contributors_map_for_changedlines.begin(); it != contributors_map_for_changedlines.end(); ++it) {
+    contributor c;
+    c.name = it->first;
+    c.changedlines = it->second;
+    c.changesets = 0;  // contributors_map_for_changesets.find(it->first)->second;
+    contributors_list.push_back(c);
+  }
+
+  add_online_info_into_contributors_list(contributors_list, "online-info.out");
+
+  contributors_list.sort();
+
+  cout << "{| cellpadding=\"5\"\n";
+  cout << "!\n";
+  cout << "! Lines changed\n";
+  cout << "!\n";
+
+  list<contributor>::iterator itc;
+  int i = 0;
+  for (itc = contributors_list.begin(); itc != contributors_list.end(); ++itc) {
+    if (itc->name.length() == 0) continue;
+    if (i % 2)
+      cout << "|-\n";
+    else
+      cout << "|- style=\"background:#FFFFD0\"\n";
+    if (itc->url.length())
+      cout << "| [" << itc->url << " " << itc->name << "]\n";
+    else
+      cout << "| " << itc->name << "\n";
+    if (itc->changedlines)
+      cout << "| " << itc->changedlines << "\n";
+    else
+      cout << "| (no information)\n";
+    cout << "| " << itc->misc << "\n";
+    i++;
+  }
+  cout << "|}" << endl;
+}
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# configuration
+# You should call this script with USER set as you want, else some default
+# will be used
+USER=${USER:-'orzel'}
+UPLOAD_DIR=dox-devel
+
+#ulimit -v 1024000
+
+# step 1 : build
+rm build/doc/html -Rf
+mkdir build -p
+(cd build && cmake .. && make doc) || { echo "make failed"; exit 1; }
+
+#step 2 : upload
+# (the '/' at the end of path is very important, see rsync documentation)
+rsync -az --no-p --delete build/doc/html/ $USER@ssh.tuxfamily.org:eigen/eigen.tuxfamily.org-web/htdocs/$UPLOAD_DIR/ || { echo "upload failed"; exit 1; }
+
+#step 3 : fix the perm
+ssh $USER@ssh.tuxfamily.org "chmod -R g+w /home/eigen/eigen.tuxfamily.org-web/htdocs/$UPLOAD_DIR" || { echo "perm failed"; exit 1; }
+
+echo "Uploaded successfully"
+
@@ -0,0 +1,11 @@
+#!cmake -P
+file(WRITE split_test_helper.h "")
+foreach(i RANGE 1 999)
+  file(APPEND split_test_helper.h
+    "#if defined(EIGEN_TEST_PART_${i}) || defined(EIGEN_TEST_PART_ALL)\n"
+    "#define CALL_SUBTEST_${i}(FUNC) CALL_SUBTEST(FUNC)\n"
+    "#else\n"
+    "#define CALL_SUBTEST_${i}(FUNC)\n"
+    "#endif\n\n"
+  )
+endforeach()
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# This is a script example to automatically update and upload performance unit tests.
+# The following five variables must be adjusted to match your settings.
+
+USER='ggael'
+UPLOAD_DIR=perf_monitoring/ggaelmacbook26
+EIGEN_SOURCE_PATH=$HOME/Eigen/eigen
+export PREFIX="haswell-fma"
+export CXX_FLAGS="-mfma -w"
+
+####
+
+BENCH_PATH=$EIGEN_SOURCE_PATH/bench/perf_monitoring/$PREFIX
+PREVPATH=$(pwd)
+cd $EIGEN_SOURCE_PATH/bench/perf_monitoring && ./runall.sh "Haswell 2.6GHz, FMA, Apple's clang" "$@"
+cd $PREVPATH || exit 1
+
+ALLFILES="$BENCH_PATH/*.png $BENCH_PATH/*.html $BENCH_PATH/index.html $BENCH_PATH/s1.js $BENCH_PATH/s2.js"
+
+# (the '/' at the end of path is very important, see rsync documentation)
+rsync -az --no-p --delete $ALLFILES $USER@ssh.tuxfamily.org:eigen/eigen.tuxfamily.org-web/htdocs/$UPLOAD_DIR/ || { echo "upload failed"; exit 1; }
+
+# fix the perm
+ssh $USER@ssh.tuxfamily.org "chmod -R g+w /home/eigen/eigen.tuxfamily.org-web/htdocs/perf_monitoring" || { echo "perm failed"; exit 1; }
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Format files with extensions, excluding plugins because they're partial files that don't contain valid syntax
+find . -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.cu' -o -name '*.cxx' -o -name '*.h' -o -name '*.inc' -not -path '*/plugins/*' \) | xargs -n 1 -P 0 clang-format-17 -i
+
+# Format main headers without extensions
+find Eigen -maxdepth 1 -type f | xargs -n 1 -P 0 clang-format-17 -i
+find unsupported/Eigen -maxdepth 2 -type f -not -name '*.txt' | xargs -n 1 -P 0 clang-format-17 -i
+
+# Format examples
+find doc/examples -type f -name '*.cpp.*' | xargs -n 1 -P 0 clang-format-17 -i
@@ -0,0 +1,21 @@
+# Powershell script to set up MSVC environment.
+
+param ($EIGEN_CI_MSVC_ARCH, $EIGEN_CI_MSVC_VER)
+
+Set-PSDebug -Trace 1
+
+function Get-ScriptDirectory { Split-Path $MyInvocation.ScriptName }
+       
+# Set defaults if not already set.
+IF (!$EIGEN_CI_MSVC_ARCH)             { $EIGEN_CI_MSVC_ARCH             = "x64" }
+IF (!$EIGEN_CI_MSVC_VER)              { $EIGEN_CI_MSVC_VER              = "14.29" }
+
+# Export variables into the global scope
+$global:EIGEN_CI_MSVC_ARCH             = $EIGEN_CI_MSVC_ARCH
+$global:EIGEN_CI_MSVC_VER              = $EIGEN_CI_MSVC_VER
+
+# Find Visual Studio installation directory.
+$global:VS_INSTALL_DIR = &"${Env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe" -latest -property installationPath
+# Run VCVarsAll.bat incitialization script and extract environment variables.
+# http://allen-mack.blogspot.com/2008/03/replace-visual-studio-command-prompt.html
+cmd.exe /c "`"${VS_INSTALL_DIR}\VC\Auxiliary\Build\vcvarsall.bat`" $EIGEN_CI_MSVC_ARCH -vcvars_ver=$EIGEN_CI_MSVC_VER & set" | foreach { if ($_ -match "=") { $v = $_.split("="); set-item -force -path "ENV:\$($v[0])" -value "$($v[1])" } }
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+cmake -DCMAKE_BUILD_TYPE=Release .