D.14.2 mpfr unary operators

Functions with these names take a single mpfr number as an argument and return a single mpfr number as a result.

sqr      sqrt     cbrt     neg      abs      log
log2     log10    exp      exp2     exp10    cos
sin      tan      acos     asin     atan     cosh
sinh     tanh     acosh    asinh    atanh    lngamma
expm1    eint     gamma    erf      log1p    nextbelow
ceil     floor    round    trunc    frac     nextabove
erfc  

The semantics of these functions are similar to those of their counterparts in the native API, with these provisions.

• The precision of the result is the precision of the argument.
• There is no second argument for assigning the result.
• The nextabove and nextbelow functions do not modify their arguments in place, but return a freshly allocated result like all other functions.

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