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POError LNK1120 and LNK 2019 while changing the datatypes from float to double
 

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  1. POError LNK1120 and LNK 2019 while changing the datatypes from float to double
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    <p>In the code it is compiling when i use float datatypes then when changing the float to double in typedef there are above linking errors. </p> <pre><code>Error 12 fatal error LNK1120: 11 unresolved externals C:\work\eb_adasis_rc_toolbox\build\test1\Debug\executable_prj.exe Error 2 error LNK2019: unresolved external symbol "public: virtual bool __thiscall ElementApproximator::Clothoid::GetPointListForDisplay(class std::vector&lt;class ElementApproximator::Point,class std::allocator&lt;class ElementApproximator::Point&gt; &gt; &amp;,class std::vector&lt;double,class std::allocator&lt;double&gt; &gt; &amp;)const " (?GetPointListForDisplay@Clothoid@ElementApproximator@@UBE_NAAV?$vector@VPoint@ElementApproximator@@V?$allocator@VPoint@ElementApproximator@@@std@@@std@@AAV?$vector@NV?$allocator@N@std@@@4@@Z) referenced in function _main executable_prj.obj Error 1 error LNK2019: unresolved external symbol "public: bool __thiscall ElementApproximator::Point::GetTmcXY(double &amp;,double &amp;)const " (?GetTmcXY@Point@ElementApproximator@@QBE_NAAN0@Z) referenced in function _main executable_prj.obj Error 3 error LNK2019: unresolved external symbol "public: bool __thiscall ElementApproximator::Clothoid::Init(class ElementApproximator::Point const &amp;,double,double,double,double)" (?Init@Clothoid@ElementApproximator@@QAE_NABVPoint@2@NNNN@Z) referenced in function _main executable_prj.obj Error 4 error LNK2019: unresolved external symbol "public: __thiscall ElementApproximator::Point::Point(double,double)" (??0Point@ElementApproximator@@QAE@NN@Z) referenced in function _main executable_prj.obj Error 11 error LNK2001: unresolved external symbol "public: virtual void __thiscall ElementApproximator::Element::Translate(double,double)" (?Translate@Element@ElementApproximator@@UAEXNN@Z) executable_prj.obj Error 10 error LNK2001: unresolved external symbol "public: virtual void __thiscall ElementApproximator::Element::Rotate(double)" (?Rotate@Element@ElementApproximator@@UAEXN@Z) executable_prj.obj Error 9 error LNK2001: unresolved external symbol "public: virtual void __thiscall ElementApproximator::Clothoid::Translate(double,double)" (?Translate@Clothoid@ElementApproximator@@UAEXNN@Z) executable_prj.obj Error 8 error LNK2001: unresolved external symbol "public: virtual void __thiscall ElementApproximator::Clothoid::Rotate(double)" (?Rotate@Clothoid@ElementApproximator@@UAEXN@Z) executable_prj.obj Error 6 error LNK2001: unresolved external symbol "public: virtual bool __thiscall ElementApproximator::Clothoid::GetTangentGridBearingAtDeltaLength(double,double &amp;)const " (?GetTangentGridBearingAtDeltaLength@Clothoid@ElementApproximator@@UBE_NNAAN@Z) executable_prj.obj Error 7 error LNK2001: unresolved external symbol "public: virtual bool __thiscall ElementApproximator::Clothoid::GetPointAtDeltaLength(double,class ElementApproximator::Point &amp;)const " (?GetPointAtDeltaLength@Clothoid@ElementApproximator@@UBE_NNAAVPoint@2@@Z) executable_prj.obj Error 5 error LNK2001: unresolved external symbol "public: virtual bool __thiscall ElementApproximator::Clothoid::GetCurvatureAtDeltaLength(double,double &amp;)const " (?GetCurvatureAtDeltaLength@Clothoid@ElementApproximator@@UBE_NNAAN@Z) executable_prj.obj </code></pre> <p>I already saw other posts regarding this error but was unable resolve it using the workarounds mentioned in the answers. Thanking you</p> <p>Regards, Mrinal</p>
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    1. USmony
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    1. This table or related slice is empty.
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    1. COThis just means you haven't changed them everywhere: you've updated the declaration of the function, but not the actual implementation.
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      1. POError LNK1120 and LNK 2019 while changing the datatypes from float to double
      1. USIgor Tandetnik
    2. CO@IgorTandetnik- Sorry to say but i am unable to understand what you are trying to say. Actually my library is compiling without any errors but when trying to run the lib from main function this linking error appears.
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      1. POError LNK1120 and LNK 2019 while changing the datatypes from float to double
      1. USmony
    3. COCould you please elaborate on what do you mean exactly by "trying to run the lib from main function"?
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      1. POError LNK1120 and LNK 2019 while changing the datatypes from float to double
      1. UShege
 

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