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MPFR library allows user to conduct floating-point calculations with virtually
any (restricted by available memory only) precision with correct rounding.
Besides simple arithmetic operations like "+" and "/" the whole set of
mathematical functions is supported: sin, sqrt, pow, log, etc.
MPFR defines custom C-language type to represent floating-point number mpfr_t.
Mathematical manipulations with mpfr_t - variables are done through
assembler-look-like functions. For instance, to add two numbers x and y with
result in z special function mpfr_add(z,x,y,GMP_RNDN) should be called.
WWW: http://www.holoborodko.com/pavel/mpfr/
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