foo.cc: In static member function 'static void Complex::Sort(std::vector<Complex>*)':
foo.cc:100:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Complex>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |                 for (i = 0; i<ptr_vtInstance->size(); i++)
      |                             ~^~~~~~~~~~~~~~~~~~~~~~~
foo.cc:107:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Complex>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |                                 for (j = 0; j < ptr_vtComplex->size(); j++)
      |                                             ~~^~~~~~~~~~~~~~~~~~~~~~~
foo.cc:116:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Complex>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  116 |                                 if (j == ptr_vtComplex->size())
      |                                     ~~^~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:121:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Complex>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  121 |                 for (i = 0; i<ptr_vtComplex->size(); i++)
      |                             ~^~~~~~~~~~~~~~~~~~~~~~
foo.cc: In static member function 'static void Complex::Bubble(Complex*, int)':
foo.cc:127:27: warning: variable 'nTag' set but not used [-Wunused-but-set-variable]
  127 |                 int i, j, nTag = 0;
      |                           ^~~~
foo.cc: In static member function 'static void Complex::VectorDisplay(std::vector<Complex>*)':
foo.cc:158:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Complex>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  158 |                 for (i = 0; i < ptr_vtInstance->size(); i++)
      |                             ~~^~~~~~~~~~~~~~~~~~~~~~~~

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