Fix some bugs (Use MPFR_ASSERT(1) instead of MPFR_ASSERT(0))

Optimize swap.c and copysign.c.


git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@2536 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 3 insertions, 2 deletions

diff --git a/pow_ui.c b/pow_ui.c
index 4fd4bb909..7648c34f0 100644
--- a/pow_ui.c
+++ b/pow_ui.c
@@ -64,7 +64,7 @@ mpfr_pow_ui (mpfr_ptr x, mpfr_srcptr y, unsigned long int n, mp_rnd_t rnd)
 	  MPFR_RET(0);
 	}
       else
-	MPFR_ASSERTN(1);
+	MPFR_ASSERTN(0);
     }
   else if (MPFR_UNLIKELY( n <= 1))
     { 
@@ -75,7 +75,8 @@ mpfr_pow_ui (mpfr_ptr x, mpfr_srcptr y, unsigned long int n, mp_rnd_t rnd)
       /* y^1 = y */
       return mpfr_set(x, y, rnd);	
     }
-  
+  /* MPFR_CLEAR_FLAGS useless due to mpfr_set */
+
   mpfr_save_emin_emax ();
   mpfr_init (res);