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[cgal-discuss] Compiler errors with sweep line example


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  • From: malcolm <>
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  • Subject: [cgal-discuss] Compiler errors with sweep line example
  • Date: Mon, 11 Nov 2019 11:20:31 -0600 (CST)
  • Authentication-results: mail2-smtp-roc.national.inria.fr; spf=None ; spf=Fail ; spf=Pass
  • Ironport-phdr: 9a23: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
Hi,
I want to use the sweep line algorithm to compute intersections between a
set of line segments.
I used the code posted in the examples here
<https://doc.cgal.org/4.13.2/Surface_sweep_2/Surface_sweep_2_2plane_sweep_8cpp-example.html>

.

I get these compile errors:
1>LineIntersections.obj : error LNK2019: unresolved external symbol
__imp_mpfr_get_emin referenced in function "public: struct
std::pair<double,double> __cdecl CGAL::Real_embeddable_traits<class
CGAL::Gmpq>::To_interval::operator()(class CGAL::Gmpq const &)const "
(??RTo_interval@?$Real_embeddable_traits@VGmpq@CGAL@@@CGAL@@QEBA?AU?$pair@NN@std@@AEBVGmpq@2@@Z)
1>LineIntersections.obj : error LNK2019: unresolved external symbol
__imp_mpfr_set_emin referenced in function "public: struct
std::pair<double,double> __cdecl CGAL::Real_embeddable_traits<class
CGAL::Gmpq>::To_interval::operator()(class CGAL::Gmpq const &)const "
(??RTo_interval@?$Real_embeddable_traits@VGmpq@CGAL@@@CGAL@@QEBA?AU?$pair@NN@std@@AEBVGmpq@2@@Z)
1>LineIntersections.obj : error LNK2019: unresolved external symbol
__imp_mpfr_set_q referenced in function "public: struct
std::pair<double,double> __cdecl CGAL::Real_embeddable_traits<class
CGAL::Gmpq>::To_interval::operator()(class CGAL::Gmpq const &)const "
(??RTo_interval@?$Real_embeddable_traits@VGmpq@CGAL@@@CGAL@@QEBA?AU?$pair@NN@std@@AEBVGmpq@2@@Z)
1>LineIntersections.obj : error LNK2019: unresolved external symbol
__imp_mpfr_get_d referenced in function "public: struct
std::pair<double,double> __cdecl CGAL::Real_embeddable_traits<class
CGAL::Gmpq>::To_interval::operator()(class CGAL::Gmpq const &)const "
(??RTo_interval@?$Real_embeddable_traits@VGmpq@CGAL@@@CGAL@@QEBA?AU?$pair@NN@std@@AEBVGmpq@2@@Z)
1>LineIntersections.obj : error LNK2019: unresolved external symbol
__imp_mpfr_subnormalize referenced in function "public: struct
std::pair<double,double> __cdecl CGAL::Real_embeddable_traits<class
CGAL::Gmpq>::To_interval::operator()(class CGAL::Gmpq const &)const "
(??RTo_interval@?$Real_embeddable_traits@VGmpq@CGAL@@@CGAL@@QEBA?AU?$pair@NN@std@@AEBVGmpq@2@@Z)

What do I need to change? I have been able to use the other CGAL examples
without such errors.



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