pf.h: #include <limits> (for std::numeric_limits) for gcc 11+ #49
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…d by gcc 11+ With gcc 11, some C++ Standard Library headers have been changed to no longer include other headers that were being used internally by the library. As such, C++ programs that used standard library components without including the right headers will no longer compile. The following headers are used less widely in libstdc++ and may need to be included explicitly when compiled with GCC 11: <limits> (for std::numeric_limits) https://gcc.gnu.org/gcc-11/porting_to.html#header-dep-changes
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With gcc 11 as part of more recent Linux distros, some C++ Standard Library headers have been changed to no longer include other headers that were being used internally by the library. As such, C++ programs that used standard library components without including the right headers will no longer compile.
The following headers are used less widely in libstdc++ and may need to be included explicitly when compiled with GCC 11:
(for std::numeric_limits)
Addresses: #47
Reference: https://gcc.gnu.org/gcc-11/porting_to.html#header-dep-changes