[Gmp-commit] /home/hgfiles/gmp: Add code to be enabled after debugging.

[mercurial at gmplib.org]

details:   /home/hgfiles/gmp/rev/167449896618
changeset: 13223:167449896618
user:      Marco Bodrato <bodrato at mail.dm.unipi.it>
date:      Sat Dec 26 11:33:00 2009 +0100
description:
Add code to be enabled after debugging.

diffstat:

 mpn/generic/mullo_n.c |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r 3d7678257a01 -r 167449896618 mpn/generic/mullo_n.c
--- a/mpn/generic/mullo_n.c	Sat Dec 26 10:54:22 2009 +0100
+++ b/mpn/generic/mullo_n.c	Sat Dec 26 11:33:00 2009 +0100
@@ -155,10 +155,16 @@
     n1 = n * 11 / (size_t) 36;	/* n1 ~= n*(1-.694...) */
   else if (BELOW_THRESHOLD (n, MUL_TOOM44_THRESHOLD*40/(40-9)))
     n1 = n * 9 / (size_t) 40;	/* n1 ~= n*(1-.775...) */
+#if 1
   else
     n1 = n * 7 / (size_t) 39;	/* n1 ~= n*(1-.821...) */
+#else /* Enable this branch after debugging high-degree-Toom-related crashes. */
+  else if (BELOW_THRESHOLD (n, MUL_TOOM8H_THRESHOLD*10/9))
+    n1 = n * 7 / (size_t) 39;	/* n1 ~= n*(1-.821...) */
   /* n1 = n * 4 / (size_t) 31;	// n1 ~= n*(1-.871...) [TOOM66] */
-  /* n1 = n / (size_t) 10;		// n1 ~= n*(1-.899...) [TOOM88] */
+  else
+    n1 = n / (size_t) 10;		/* n1 ~= n*(1-.899...) [TOOM88] */
+#endif
   n2 = n - n1;
 
   /* Split as x = x1 2^(n2 GMP_NUMB_BITS) + x0,