I solved for the other example, I must add: #include <boost/cstdfloat.hpp> // For float_64_t, float128_t. Must be first include!
Thank you so much > Il giorno 21 lug 2021, alle ore 18:48, John Maddock via Boost-users > <boost-users@lists.boost.org> ha scritto: > > On 21/07/2021 16:56, Stefano Gragnani via Boost-users wrote: >> ok things are better but i still get errors: >> >> > Executing task: g++-11 -g -I/usr/local/Cellar/boost/1.76.0/include/ >> > -I/usr/local/include/ -L/usr/local/Cellar/boost/1.76.0/lib/ >> > -L/usr/local/Cellar/gcc/11.1.0_1/lib/gcc/11/ >> > -L/usr/local/Cellar/gmp/6.2.1/lib/ -L/usr/local/Cellar/mpfr/4.1.0/lib/ >> > -std=gnu++20 -lmpfr -lgmp -lquadmath -lboost_system -lboost_filesystem >> > '-fext-numeric-literals' float128_example.cpp -o main < >> >> float128_example.cpp: In function 'int main()': >> float128_example.cpp:186:20: error: call of overloaded 'exp(__float128)' is >> ambiguous >> 186 | float128 e1 = exp(1.Q); // Note argument to exp is type float128. >> | ~~~^~~~~ > > The compiler is quite correct: there are no std lib functions for the built > in type __float128, there are however for boost::multiprecision::float128 > which is the type you should be using throughout. > > > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > _______________________________________________ > Boost-users mailing list > Boost-users@lists.boost.org > https://lists.boost.org/mailman/listinfo.cgi/boost-users
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