[emrys53]

   42 |       w(j) = pow(-1, j) * sqrt((1 - pow(x(j), 2)) * wgl(j)); // Barycentric weights

      |              ^~~

/usr/lib/llvm-21/bin/../include/c++/v1/__math/exponential_functions.h:161:52: note: candidate function [with _A1 = int, _A2 = int, $2 = 0]

  161 | inline _LIBCPP_HIDE_FROM_ABI __promote_t<_A1, _A2> pow(_A1 __x, _A2 __y) _NOEXCEPT {

      |                                                    ^

/home/jenkins/agent/workspace/CCQ_TRIQS_triqs_unstable@tmp/build/deps/nda_src/c++/nda/././mapped_functions.hpp:84:8: note: candidate function [with A = int, S = int]

   84 |   auto pow(A &&a, S p) {

      |        ^

/home/jenkins/agent/workspace/CCQ_TRIQS_triqs_unstable@tmp/build/deps/cppdlr_src/c++/cppdlr/utils.cpp:42:37: error: call to 'pow' is ambiguous

   42 |       w(j) = pow(-1, j) * sqrt((1 - pow(x(j), 2)) * wgl(j)); // Barycentric weights

      |                                     ^~~

/usr/lib/llvm-21/bin/../include/c++/v1/__math/exponential_functions.h:161:52: note: candidate function [with _A1 = double, _A2 = int, $2 = 0]

  161 | inline _LIBCPP_HIDE_FROM_ABI __promote_t<_A1, _A2> pow(_A1 __x, _A2 __y) _NOEXCEPT {

      |                                                    ^

/home/jenkins/agent/workspace/CCQ_TRIQS_triqs_unstable@tmp/build/deps/nda_src/c++/nda/././mapped_functions.hpp:84:8: note: candidate function [with A = double &, S = int]

   84 |   auto pow(A &&a, S p) {

      |        ^
      
This PR solves the issue of ambiguity by explicitly using std:: versions of math functions.