Avoid wasted work in cld::GetNormalizedScore() and cld::GetReliability()

http://code.google.com/p/chromium-compact-language-detector/issues/detail?id=16

Review URL: https://chromiumcodereview.appspot.com/22321003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@216451 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 4 insertions, 2 deletions

diff --git a/third_party/cld/encodings/compact_lang_det/cldutil.cc b/third_party/cld/encodings/compact_lang_det/cldutil.cc
index 06e9e97..9221d70 100644
--- a/third_party/cld/encodings/compact_lang_det/cldutil.cc
+++ b/third_party/cld/encodings/compact_lang_det/cldutil.cc
@@ -815,9 +815,10 @@ double cld::GetNormalizedScore(Language lang, UnicodeLScript lscript,
   if (lscript == ULScript_Common) {
     // We don't know the script (only happens with second-chance score)
     // Look for first non-zero mean value
-    for (int i = 0; i < 3; ++i) {
+    for (int i = 2; i >= 0; --i) {
       if (kMeanScore[lang * 4 + i] > 0) {
         expected_score = kMeanScore[lang * 4 + i];
+        break;
       }
     }
   }
@@ -843,9 +844,10 @@ int cld::GetReliability(int len, UnicodeLScript lscript,
   if (lscript == ULScript_Common) {
     // We don't know the script (only happens with second-chance score)
     // Look for first non-zero mean value
-    for (int i = 0; i < 3; ++i) {
+    for (int i = 2; i >= 0; --i) {
       if (kMeanScore[cur_lang * 4 + i] > 0) {
         mean_score = kMeanScore[cur_lang * 4 + i];
+        break;
       }
     }
   }