Add case where bn == 1 and bn == 2 by using longlong.h.

Modify tuneup to start with prec=2*BITS_PER_MP_LIMB+1
Fix bug in computing the estimated precision when you switch from N limbs to N+1 limbs.
Add regression tests.


git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@3396 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 1 insertions, 1 deletions

diff --git a/tuneup.c b/tuneup.c
index 636f56c0e..04c83d0dd 100644
--- a/tuneup.c
+++ b/tuneup.c
@@ -457,7 +457,7 @@ all (const char *filename)
   if (verbose)
     printf ("Tuning mpfr_mul...\n");
   tune_simple_func (&mpfr_mul_threshold, speed_mpfr_mul, 
-		    MPFR_PREC_MIN);  
+		    2*BITS_PER_MP_LIMB+1);  
   fprintf (f, "#define MPFR_MUL_THRESHOLD %lu\n", 
 	   (unsigned long) (mpfr_mul_threshold-1)/BITS_PER_MP_LIMB+1);