fast_io

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Add C++20 modules example

2

Theramar

Calculate using Intel hardware instructions (_mm_crc32_u8) to calculate crc32

MacroModel

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Decorators are designed as one major in 4 concepts group for fast_io in the first place. Unfortunately, i did not do it right. Now i have a new model that...

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scan double / float

1

现在scan还是不能读入double或float吗？GCC和MSVC试了都不行。

3097829053

To do: Rewrite code cvt

2

@BobSteagall 's UTF-utils https://github.com/BobSteagall/utf_utils is too platform-specific and does not work with AVX512. Going to Rewrite it

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https://github.com/cppfastio/fast_io/blob/master/benchmark/0003.file_io_hex/iobuf_file_addrvw.cc Anything like this for example that could skip zero, skip space, scan with prefix etc

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C++23 adds std::float16_t but also std::bfloat16_t. https://github.com/cppfastio/fast_io/blob/bd32ed1f8fbc6cc44a541601fefc8e331f355b37/include/fast_io_unit/floating/punning.h#L137 @jk-jeon What's the value here?

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