diff options
Diffstat (limited to 'src/utils/rotate.h')
-rw-r--r-- | src/utils/rotate.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/src/utils/rotate.h b/src/utils/rotate.h deleted file mode 100644 index 2593010b4..000000000 --- a/src/utils/rotate.h +++ /dev/null @@ -1,43 +0,0 @@ -/* -* Word Rotation Operations -* (C) 1999-2008 Jack Lloyd -* -* Distributed under the terms of the Botan license -*/ - -#ifndef BOTAN_WORD_ROTATE_H__ -#define BOTAN_WORD_ROTATE_H__ - -#include <botan/types.h> - -namespace Botan { - -/** -* Bit rotation left -* @param input the input word -* @param rot the number of bits to rotate -* @return input rotated left by rot bits -*/ -template<typename T> inline T rotate_left(T input, size_t rot) - { - if(rot == 0) - return input; - return static_cast<T>((input << rot) | (input >> (8*sizeof(T)-rot)));; - } - -/** -* Bit rotation right -* @param input the input word -* @param rot the number of bits to rotate -* @return input rotated right by rot bits -*/ -template<typename T> inline T rotate_right(T input, size_t rot) - { - if(rot == 0) - return input; - return static_cast<T>((input >> rot) | (input << (8*sizeof(T)-rot))); - } - -} - -#endif |