summaryrefslogtreecommitdiffstats
path: root/media/libnbaio/roundup.c
diff options
context:
space:
mode:
Diffstat (limited to 'media/libnbaio/roundup.c')
-rw-r--r--media/libnbaio/roundup.c32
1 files changed, 0 insertions, 32 deletions
diff --git a/media/libnbaio/roundup.c b/media/libnbaio/roundup.c
deleted file mode 100644
index 1d552d1..0000000
--- a/media/libnbaio/roundup.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <media/nbaio/roundup.h>
-
-unsigned roundup(unsigned v)
-{
- // __builtin_clz is undefined for zero input
- if (v == 0) {
- v = 1;
- }
- int lz = __builtin_clz((int) v);
- unsigned rounded = ((unsigned) 0x80000000) >> lz;
- // 0x800000001 and higher are actually rounded _down_ to prevent overflow
- if (v > rounded && lz > 0) {
- rounded <<= 1;
- }
- return rounded;
-}