Re: [Boost-users] query regarding parallel algorithms and error message

Subject: Re: [Boost-users] query regarding parallel algorithms and error message
From: William Jagels (william_at_[hidden])
Date: 2018-06-25 03:11:28

Change parallel_stable_sort to boost::sort::parallel_stable_sort.  The
public api is entirely in the boost::sort namespace, the documentation just
omits it for brevity.
ᐧ

On Sun, Jun 24, 2018 at 6:58 AM, ian D Chivers via Boost-users <
boost-users_at_[hidden]> wrote:

> I have installed boost to work with
>
> Windows
>
>   Microsoft Visual C++
>
>   Cygwin g++
>
> Linux
>
>   openSuSe
>
> I can compile and run test programs
> On all three versions.
>
> However I get the following error messages when trying To call one of the
> routines in
>
> https://www.boost.org/doc/libs/1_67_0/libs/sort/doc/
> html/sort/parallel.html
>
> Here is the cygwin message
>
> $ g++ ch3604.cxx
> ch3604.cxx: In function 'int main()':
> ch3604.cxx:155:3: error: 'parallel_stable_sort' was not declared in this
> scope
>    parallel_stable_sort( x.begin() , x.end() );
>
> Here is the Microsoft message
>
> C:\document\cpp\examples>cl /EHsc /I "C:\Program Files\boost\boost_1_67_0"
> -O2 /F 1000000000 ch3604.cxx
> Microsoft (R) C/C++ Optimizing Compiler Version 19.13.26129 for x64
> Copyright (C) Microsoft Corporation.  All rights reserved.
>
> ch3604.cxx
>
> I get a similar message on openSuSe linux.
>
> Here is the top part of the source file
>
> #####
>
> #include <iostream>
> #include <algorithm>
> #include <array>
> #include <chrono>
> #include <random>
> #include <string>
> #include <boost/sort/sort.hpp>
>
> using namespace std;
>
> #####
>
> Here is a section of the main program
>
> #####
>
>   parallel_stable_sort( x.begin() , x.end() );
>
>   heading = "Boost sort     ";
>   t = timer_01.elapsed();
>   print_time(heading, t);
>
>   cout << x[0] << "    " << x[nr-1] << endl;
>
> #####
>
> I get similar messages when trying to use any of the serial
> Or parallel routines.
>
> The documentation says that I only need to include
>
> #include <boost/sort/sort.hpp>
>
> To make things available.
>
> Any thoughts?
>
> Ian Chivers
>
>
>
>
>
>
>
>
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