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inlineconstexpr |
Parameters
x
: real argument.c
: Conditional expression masking the operation.m
: Logical value masking the operation.Return value
nan
returns nanexponent
\(e\) and mantissa
\(m\) of a floating point entry \(x\) are related by \(x = m\times 2^e\), with \(|m| \in \{0, nan\} \cup [1, 2[\).