diff options
| -rw-r--r-- | mpfr.texi | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -1372,7 +1372,7 @@ rounded in the direction @var{rnd}. Set @var{rop} to the arc-tangent2 of @var{y} and @var{x}, rounded in the direction @var{rnd}: if @code{x > 0}, @code{atan2(y, x) = atan (y/x)}; -if @code{x < 0}, @code{atan2(y, x) = sign(y)*(PI - atan (@GMPabs{y/x}))}. +if @code{x < 0}, @code{atan2(y, x) = sign(y)*(Pi - atan (@GMPabs{y/x}))}. @code{atan2(y, 0)} does not raise any floating-point exception. Special values are currently handled as described in the ISO C99 standard |