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Diffstat (limited to 'mpfr.texi')
| -rw-r--r-- | mpfr.texi | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -566,12 +566,14 @@ precision, then MPFR will still compute the result with full precision. @section Rounding Modes The following four rounding modes are supported: + @itemize @bullet @item @code{GMP_RNDN}: round to nearest @item @code{GMP_RNDZ}: round towards zero @item @code{GMP_RNDU}: round towards plus infinity @item @code{GMP_RNDD}: round towards minus infinity @end itemize + The @samp{round to nearest} mode works as in the IEEE 754-1985 standard: in case the number to be rounded lies exactly in the middle of two representable numbers, it is rounded to the one with the least significant bit set to zero. |