error: call of overloaded 'cos(double&)' is ambiguous

[Haifei Chen]

Hello,

While compiling a third-party code coupled with chrono, c++ compiler complained about the said error in ChVector3.h (also for cos and sin)

https://github.com/projectchrono/chrono/blob/main/src/chrono/core/ChVector3.h#L848

/users/hfchen/chrono/chrono/src/chrono/core/ChVector3.h:462:18: error: call of overloaded 'cos(double&)' is ambiguous
  462 |     res.x() = cos(norm_angle);  // 1) rot 'norm.angle'about z
  463 |     res.y() = sin(norm_angle);
  466 |     res.y() = projlen * cos(pol_angle);
  467 |     res.z() = projlen * sin(pol_angle);

  848 |     return sqrt(Length2());

I think the issue is similar to this one at https://gitlab.kitware.com/vtk/vtk/-/issues/17144. Could this be resolved similarly as well?

Thanks,

Haifei

[Radu Serban]

Haifei,

Please pull the latest code in the ‘main’ branch and try again. 

Out of curiosity: what 3rd party package are you working with and how do you couple it to Chrono?

--Radu

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[Haifei Chen]

Hi Radu,

The errors were gone after the update. I'm developing a FSI model using openfoam as the fluid solver. The coupling is simply via calling chrono APIs.

I also wanted to let you know that there were lots of warnings on chrono code when using openfoam's compiler settings. In order to suppress those warnings, I had to add the following options when compiling my code.

    -Wno-sign-compare \
    -Wno-old-style-cast \
    -Wno-non-virtual-dtor \
    -Wno-delete-non-virtual-dtor \

Haifei