[Gmp-commit] /var/hg/gmp: 3 new changesets

[mercurial at gmplib.org]

details:   /var/hg/gmp/rev/5ddd2179ee9c
changeset: 16973:5ddd2179ee9c
user:      Marco Bodrato <bodrato at mail.dm.unipi.it>
date:      Sat Nov 21 17:23:35 2015 +0100
description:
gmp-impl.h (MPN_TOOM22_MUL_MINSIZE): Consider ToomX2 limits.

details:   /var/hg/gmp/rev/2f3ca123d227
changeset: 16974:2f3ca123d227
user:      Marco Bodrato <bodrato at mail.dm.unipi.it>
date:      Sat Nov 21 17:35:11 2015 +0100
description:
tests/mpn/t-toom22.c: Keep on testing small sizes.

details:   /var/hg/gmp/rev/8aac33bb5843
changeset: 16975:8aac33bb5843
user:      Marco Bodrato <bodrato at mail.dm.unipi.it>
date:      Sat Nov 21 17:35:22 2015 +0100
description:
ChangeLog

diffstat:

 ChangeLog            |  8 +++++++-
 gmp-impl.h           |  4 +++-
 tests/mpn/t-toom22.c |  2 +-
 3 files changed, 11 insertions(+), 3 deletions(-)

diffs (47 lines):

diff -r 09ec1265bd9f -r 8aac33bb5843 ChangeLog
--- a/ChangeLog	Fri Nov 20 08:16:27 2015 +0100
+++ b/ChangeLog	Sat Nov 21 17:35:22 2015 +0100
@@ -1,3 +1,9 @@
+2015-11-21 Marco Bodrato <bodrato at mail.dm.unipi.it>
+
+	* gmp-impl.h (MPN_TOOM22_MUL_MINSIZE): Consider ToomX2 limits
+	  (thanks Paul).
+	* tests/mpn/t-toom22.c: Keep on testing small sizes.
+
 2015-11-13 Marco Bodrato <bodrato at mail.dm.unipi.it>
 
 	* mini-gmp/mini-gmp.c: Lazy allocation for mpz_t.
@@ -10,7 +16,7 @@
 	* mpq/set_num.c: Likewise.
 	* mpq/set_z.c: Likewise.
 
-	* primesieve.c: Fill (initial) sieve with a presieved 70bits pattern.
+	* primesieve.c: Fill sieve with a presieved 70bits pattern.
 
 2015-11-12  Marc Glisse  <marc.glisse at inria.fr>
 
diff -r 09ec1265bd9f -r 8aac33bb5843 gmp-impl.h
--- a/gmp-impl.h	Fri Nov 20 08:16:27 2015 +0100
+++ b/gmp-impl.h	Sat Nov 21 17:35:22 2015 +0100
@@ -1273,7 +1273,9 @@
 #endif
 #define BELOW_THRESHOLD(size,thresh)  (! ABOVE_THRESHOLD (size, thresh))
 
-#define MPN_TOOM22_MUL_MINSIZE    4
+/* The minimal supported value for Toom22 depends also on Toom32 and
+   Toom42 implementations. */
+#define MPN_TOOM22_MUL_MINSIZE    6
 #define MPN_TOOM2_SQR_MINSIZE     4
 
 #define MPN_TOOM33_MUL_MINSIZE   17
diff -r 09ec1265bd9f -r 8aac33bb5843 tests/mpn/t-toom22.c
--- a/tests/mpn/t-toom22.c	Fri Nov 20 08:16:27 2015 +0100
+++ b/tests/mpn/t-toom22.c	Sat Nov 21 17:35:22 2015 +0100
@@ -1,6 +1,6 @@
 #define mpn_toomMN_mul mpn_toom22_mul
 #define mpn_toomMN_mul_itch mpn_toom22_mul_itch
-#define MIN_AN MPN_TOOM22_MUL_MINSIZE
+#define MIN_AN MIN(MPN_TOOM22_MUL_MINSIZE,4)
 
 #define MIN_BN(an)				\
   ((an) >= 2*MUL_TOOM22_THRESHOLD		\