float_is_finite()

bool fl::printf_detail::float_is_finite

(

float

value

)

Definition at line 6 of file stdio.cpp.hpp.

                                               {
    if (value != value) {
        return false;
    }
    // FLT_MAX, spelled out. The old bound, 3.5e38f, overflows float to
    // infinity, so the check only worked because of that overflow.
    return value >= -3.40282347e38f && value <= 3.40282347e38f;
}

References fl::FL_NO_EXCEPT, and fl::type_rank< T >::value.

Referenced by format_float().

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