Add mpfr_zero_p.

Add macros for mpfr_inf_p, mpfr_nan_p and mpfr_zero_p.
Add macro for mpfr_sgn.
Update doc.
Add new tests.


git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@2871 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 1 insertions, 2 deletions

diff --git a/isnan.c b/isnan.c
index 486a4bfe1..26c5ccb4f 100644
--- a/isnan.c
+++ b/isnan.c
@@ -19,11 +19,10 @@ along with the MPFR Library; see the file COPYING.LIB.  If not, write to
 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 MA 02111-1307, USA. */
 
-
 #include "mpfr-impl.h"
 
 int
-mpfr_nan_p (mpfr_srcptr x)
+(mpfr_nan_p) (mpfr_srcptr x)
 {
   return MPFR_IS_NAN (x);
 }