Problem running example c++ files

[Pavan Padubidri]

Hello,

I tried to run this example code from CoolProp website and got many errors like CPState.h not found , get_global_param_string(..) not declared in the scope.

I started debugging and figured out that  CoolProp.h and other header files has to included while compiling the example file. So I have kept the example file in CoolProp/include and use

 

g++ -I ..\externals\cppformat example.cpp

I am guessing I am not compiling the file properly. Please guide me on how to run the example file using gcc on 64bit Windows 10 or direct me to any article that tells how to use CoolProp in C++.

[Ian Bell]

Yup, you should use the cmake build system, that will make everything work totally seamlessly: http://www.coolprop.org/coolprop/wrappers/StaticLibrary/index.html#cmake-integration

Also, that code is for version 4, which is no longer supported.  You should try this instead: http://www.coolprop.org/coolprop/LowLevelAPI.html#introduction

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[Pavan Padubidri]

Thank you for the reply. I followed the instructions for cmake, but could not run my example code. Can you please tell me where can I get a step by step instructions on running an example C code like this. It would be a great help if you could tell me where to place my example code and how to compile it linking other related files. Thank you

On Saturday, 14 July 2018 20:29:36 UTC+5:30, Ian Bell wrote:

Yup, you should use the cmake build system, that will make everything work totally seamlessly: http://www.coolprop.org/coolprop/wrappers/StaticLibrary/index.html#cmake-integration

Also, that code is for version 4, which is no longer supported.  You should try this instead: http://www.coolprop.org/coolprop/LowLevelAPI.html#introduction

On Mon, Jul 9, 2018 at 2:46 AM, Pavan Padubidri <idiot...@gmail.com> wrote:

Hello,

I tried to run this example code from CoolProp website and got many errors like CPState.h not found , get_global_param_string(..) not declared in the scope.

I started debugging and figured out that  CoolProp.h and other header files has to included while compiling the example file. So I have kept the example file in CoolProp/include and use

 

g++ -I ..\externals\cppformat example.cpp

I am guessing I am not compiling the file properly. Please guide me on how to run the example file using gcc on 64bit Windows 10 or direct me to any article that tells how to use CoolProp in C++.

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[Ian Bell]

Here is a simple example that lays out how to make all the bits fit together to call the High-level interface: https://github.com/CoolProp/simple_cmake_example .  It's a similar story for the low-level interface example you highlight.

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[Pavan Padubidri]

I have tried that already before. The problem is I get errors during making. Here is the error I get while building library.

[  0%] Built target generate_headers

[  2%] Building CXX object CMakeFiles/CoolProp.dir/src/CoolProp.cpp.obj

E:\CoolProp\src\CoolProp.cpp:37:18: fatal error: locale: No such file or directory

compilation terminated.

CMakeFiles\CoolProp.dir\build.make:132: recipe for target 'CMakeFiles/CoolProp.dir/src/CoolProp.cpp.obj' failed

mingw32-make.exe[2]: *** [CMakeFiles/CoolProp.dir/src/CoolProp.cpp.obj] Error 1

CMakeFiles\Makefile2:103: recipe for target 'CMakeFiles/CoolProp.dir/all' failed

mingw32-make.exe[1]: *** [CMakeFiles/CoolProp.dir/all] Error 2

Makefile:128: recipe for target 'all' failed

mingw32-make.exe: *** [all] Error 2

[Ian Bell]

What version of mingw do you use?  You'll need something that supports #include <locale>, which is a pretty standard standard header.  That is exactly your problem.  Google this?

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[Pavan Padubidri]

Thanks, Fixed the compiler issue, got it compiling till 100%, but got this error at the end

CMakeFiles\main.dir/objects.a(mycode.cpp.obj):mycode.cpp:(.text+0x4e2): undefined reference to `CoolProp::PropsSI(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'

collect2.exe: error: ld returned 1 exit status

mingw32-make.exe[2]: *** [CMakeFiles\main.dir\build.make:87: main.exe] Error 1

mingw32-make.exe[1]: *** [CMakeFiles\Makefile2:72: CMakeFiles/main.dir/all] Error 2

mingw32-make.exe: *** [Makefile:129: all] Error 2

I am sorry I am not familiar with making shared/static libraries. Please help me fix this

[Pavan Padubidri]

Posting the compiler output here 

$ cmake --build .

Scanning dependencies of target generate_headers

git version 2.17.0.windows.1

cpversion.h is up to date

version written to hidden file: E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\.version for use in builders that don't use git repo

git is accessible at the command line

git revision is 514ee59e27e4414b44774bd48f8e81da73735dd7

gitrevision.h is up to date

all_fluids_JSON.h is up to date

all_incompressibles_JSON.h is up to date

mixture_departure_functions_JSON.h is up to date

mixture_binary_pairs_JSON.h is up to date

predefined_mixtures_JSON.h is up to date

all_cubics_JSON.h is up to date

cubic_fluids_schema_JSON.h is up to date

[  0%] Built target generate_headers

Scanning dependencies of target CoolProp

[  2%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/AbstractState.cpp.obj

[  4%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/CPfilepaths.cpp.obj

[  6%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/CPnumerics.cpp.obj

[  8%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/CPstrings.cpp.obj

[ 10%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Configuration.cpp.obj

[ 13%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/CoolProp.cpp.obj

[ 15%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/CoolPropTools.cpp.obj

[ 17%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/DataStructures.cpp.obj

[ 19%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Helmholtz.cpp.obj

[ 21%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/HumidAirProp.cpp.obj

[ 23%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Ice.cpp.obj

[ 26%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/MatrixMath.cpp.obj

[ 28%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/ODEIntegrators.cpp.obj

[ 30%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/PolyMath.cpp.obj

[ 32%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Solvers.cpp.obj

E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:114:77: warning: optimization attribute on 'double CoolProp::Newton(CoolProp::FuncWrapper1DWithDeriv*, double, double, int)' follows definition but the attribute doesn't match [-Wattributes]

 double Newton(FuncWrapper1DWithDeriv* f, double x0, double ftol, int maxiter)

                                                                             ^

In file included from E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:2:

E:/ModeliCon_InfoTech/Project_sCO2/simple_cmake_example/externals/coolprop/include/Solvers.h:90:15: note: previous definition of 'double CoolProp::Newton(CoolProp::FuncWrapper1DWithDeriv&, double, double, int)' was here

 inline double Newton(FuncWrapper1DWithDeriv &f, double x0, double ftol, int maxiter){

               ^~~~~~

E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:160:98: warning: optimization attribute on 'double CoolProp::Halley(CoolProp::FuncWrapper1DWithTwoDerivs*, double, double, int, double)' follows definition but the attribute doesn't match [-Wattributes]

 double Halley(FuncWrapper1DWithTwoDerivs* f, double x0, double ftol, int maxiter, double xtol_rel)

                                                                                                  ^

In file included from E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:2:

E:/ModeliCon_InfoTech/Project_sCO2/simple_cmake_example/externals/coolprop/include/Solvers.h:93:15: note: previous definition of 'double CoolProp::Halley(CoolProp::FuncWrapper1DWithTwoDerivs&, double, double, int, double)' was here

 inline double Halley(FuncWrapper1DWithTwoDerivs &f, double x0, double ftol, int maxiter, double xtol_rel = 1e-12){

               ^~~~~~

E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:222:106: warning: optimization attribute on 'double CoolProp::Householder4(CoolProp::FuncWrapper1DWithThreeDerivs*, double, double, int, double)' follows definition but the attribute doesn't match [-Wattributes]

 double Householder4(FuncWrapper1DWithThreeDerivs* f, double x0, double ftol, int maxiter, double xtol_rel)

                                                                                                          ^

In file included from E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:2:

E:/ModeliCon_InfoTech/Project_sCO2/simple_cmake_example/externals/coolprop/include/Solvers.h:96:15: note: previous definition of 'double CoolProp::Householder4(CoolProp::FuncWrapper1DWithThreeDerivs&, double, double, int, double)' was here

 inline double Householder4(FuncWrapper1DWithThreeDerivs &f, double x0, double ftol, int maxiter, double xtol_rel = 1e-12){

               ^~~~~~~~~~~~

E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:285:78: warning: optimization attribute on 'double CoolProp::Secant(CoolProp::FuncWrapper1D*, double, double, double, int)' follows definition but the attribute doesn't match [-Wattributes]

 double Secant(FuncWrapper1D* f, double x0, double dx, double tol, int maxiter)

                                                                              ^

In file included from E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:2:

E:/ModeliCon_InfoTech/Project_sCO2/simple_cmake_example/externals/coolprop/include/Solvers.h:84:15: note: previous definition of 'double CoolProp::Secant(CoolProp::FuncWrapper1D&, double, double, double, int)' was here

 inline double Secant(FuncWrapper1D &f, double x0, double dx, double ftol, int maxiter){

               ^~~~~~

E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:359:111: warning: optimization attribute on 'double CoolProp::BoundedSecant(CoolProp::FuncWrapper1D*, double, double, double, double, double, int)' follows definition but the attribute doesn't match [-Wattributes]

 double BoundedSecant(FuncWrapper1D* f, double x0, double xmin, double xmax, double dx, double tol, int maxiter)

                                                                                                               ^

In file included from E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:2:

E:/ModeliCon_InfoTech/Project_sCO2/simple_cmake_example/externals/coolprop/include/Solvers.h:87:15: note: previous definition of 'double CoolProp::BoundedSecant(CoolProp::FuncWrapper1D&, double, double, double, double, double, int)' was here

 inline double BoundedSecant(FuncWrapper1D &f, double x0, double xmin, double xmax, double dx, double ftol, int maxiter){

               ^~~~~~~~~~~~~

E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:413:89: warning: optimization attribute on 'double CoolProp::Brent(CoolProp::FuncWrapper1D*, double, double, double, double, int)' follows definition but the attribute doesn't match [-Wattributes]

 double Brent(FuncWrapper1D* f, double a, double b, double macheps, double t, int maxiter)

                                                                                         ^

In file included from E:\ModeliCon_InfoTech\Project_sCO2\simple_cmake_example\externals\coolprop\src\Solvers.cpp:2:

E:/ModeliCon_InfoTech/Project_sCO2/simple_cmake_example/externals/coolprop/include/Solvers.h:81:15: note: previous definition of 'double CoolProp::Brent(CoolProp::FuncWrapper1D&, double, double, double, double, int)' was here

 inline double Brent(FuncWrapper1D &f, double a, double b, double macheps, double t, int maxiter){

               ^~~~~

[ 34%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/SpeedTest.cpp.obj

[ 36%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Cubics/CubicBackend.cpp.obj

[ 39%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Cubics/CubicsLibrary.cpp.obj

[ 41%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Cubics/GeneralizedCubic.cpp.obj

[ 43%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Cubics/UNIFAC.cpp.obj

[ 45%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Cubics/UNIFACLibrary.cpp.obj

[ 47%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Cubics/VTPRBackend.cpp.obj

[ 50%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/IF97/IF97Backend.cpp.obj

[ 52%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/FlashRoutines.cpp.obj

[ 54%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/Fluids/Ancillaries.cpp.obj

[ 56%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/Fluids/FluidLibrary.cpp.obj

[ 58%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/HelmholtzEOSBackend.cpp.obj

[ 60%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/HelmholtzEOSMixtureBackend.cpp.obj

[ 63%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/MixtureDerivatives.cpp.obj

[ 65%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/MixtureParameters.cpp.obj

[ 67%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/PhaseEnvelopeRoutines.cpp.obj

[ 69%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/ReducingFunctions.cpp.obj

[ 71%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/TransportRoutines.cpp.obj

[ 73%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Helmholtz/VLERoutines.cpp.obj

[ 76%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/REFPROP/REFPROPBackend.cpp.obj

[ 78%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/REFPROP/REFPROPMixtureBackend.cpp.obj

[ 80%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Incompressible/IncompressibleBackend.cpp.obj

[ 82%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Incompressible/IncompressibleFluid.cpp.obj

[ 84%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Incompressible/IncompressibleLibrary.cpp.obj

[ 86%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Tabular/BicubicBackend.cpp.obj

[ 89%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Tabular/TTSEBackend.cpp.obj

[ 91%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/Backends/Tabular/TabularBackends.cpp.obj

[ 93%] Building CXX object CoolProp/CMakeFiles/CoolProp.dir/src/CoolPropLib.cpp.obj

[ 95%] Linking CXX static library libCoolProp.a

[ 95%] Built target CoolProp

Scanning dependencies of target main

[ 97%] Building CXX object CMakeFiles/main.dir/mycode.cpp.obj

[100%] Linking CXX executable main.exe