commit e3bc0da10742579c79f4a416255b4b6ccf8b5ed6
author Sean Purser-Haskell <seanhaskell@google.com> Mon Apr 10 18:19:33 2017 -0700
committer Sean Purser-Haskell <seanhaskell@google.com> Tue Apr 11 11:22:56 2017 -0700
tree a24cd611a9cb3b2842125b21b0eeb160de1ce204
parent 6e1c7d77b2637bc316ac4528e8a1c4957eca886d

Change parameter limit to be <1, not <=1. This saves a bit.

Change-Id: Ia9220b7b499567e07307444defe86a1d386cb8f9

av1/common/warped_motion.c

diff --git a/av1/common/warped_motion.c b/av1/common/warped_motion.c
index 9941d70..20a377b 100644
--- a/av1/common/warped_motion.c
+++ b/av1/common/warped_motion.c
@@ -669,8 +669,8 @@
 
 static int is_affine_shear_allowed(int16_t alpha, int16_t beta, int16_t gamma,
                                    int16_t delta) {
-  if ((4 * abs(alpha) + 7 * abs(beta) > (1 << WARPEDMODEL_PREC_BITS)) ||
-      (4 * abs(gamma) + 4 * abs(delta) > (1 << WARPEDMODEL_PREC_BITS)))
+  if ((4 * abs(alpha) + 7 * abs(beta) >= (1 << WARPEDMODEL_PREC_BITS)) ||
+      (4 * abs(gamma) + 4 * abs(delta) >= (1 << WARPEDMODEL_PREC_BITS)))
     return 0;
   else
     return 1;

test/warp_filter_test_util.cc

diff --git a/test/warp_filter_test_util.cc b/test/warp_filter_test_util.cc
index f7409ea..912f187 100644
--- a/test/warp_filter_test_util.cc
+++ b/test/warp_filter_test_util.cc
@@ -80,8 +80,8 @@
                   (1 << WARPEDMODEL_PREC_BITS),
               INT16_MIN, INT16_MAX);
 
-    if ((4 * abs(*alpha) + 7 * abs(*beta) > (1 << WARPEDMODEL_PREC_BITS)) ||
-        (4 * abs(*gamma) + 4 * abs(*delta) > (1 << WARPEDMODEL_PREC_BITS)))
+    if ((4 * abs(*alpha) + 7 * abs(*beta) >= (1 << WARPEDMODEL_PREC_BITS)) ||
+        (4 * abs(*gamma) + 4 * abs(*delta) >= (1 << WARPEDMODEL_PREC_BITS)))
       continue;
 
     // We have a valid model, so finish
@@ -196,8 +196,8 @@
                   (1 << WARPEDMODEL_PREC_BITS),
               INT16_MIN, INT16_MAX);
 
-    if ((4 * abs(*alpha) + 7 * abs(*beta) > (1 << WARPEDMODEL_PREC_BITS)) ||
-        (4 * abs(*gamma) + 4 * abs(*delta) > (1 << WARPEDMODEL_PREC_BITS)))
+    if ((4 * abs(*alpha) + 7 * abs(*beta) >= (1 << WARPEDMODEL_PREC_BITS)) ||
+        (4 * abs(*gamma) + 4 * abs(*delta) >= (1 << WARPEDMODEL_PREC_BITS)))
       continue;
 
     // We have a valid model, so finish