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Author

anonymous

about 4 years ago

Language

C++

Compiler

clang HEAD 13.0.0 (https://github.com/llvm/llvm-project.git fcdf7f6224610a51dc2ff47f2f1e3377329b64a7)

Options
Warnings
Boost 1.73.0
C++2b(GNU)
no pedantic
Raw compiler options
-Wdouble-promotion

Author

anonymous

about 4 years ago

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/clang-head/include -std=gnu++2b -Wdouble-promotion
prog.cc:5:23: warning: implicit conversion increases floating-point precision: 'float' to 'double' [-Wdouble-promotion]
    std::printf("%f", 1.2f);
    ~~~               ^~~~
1 warning generated.

1.200000
Exit Code:
0