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Merge pull request #30 from cgamache/5prealpha
Added 5prealpha binaries and headers
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| Original file line number | Diff line number | Diff line change |
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| /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */ | ||
| /* ==================================================================== | ||
| * Copyright (c) 2015 Carnegie Mellon University. All rights | ||
| * reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in | ||
| * the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * | ||
| * This work was supported in part by funding from the Defense Advanced | ||
| * Research Projects Agency and the National Science Foundation of the | ||
| * United States of America, and the CMU Sphinx Speech Consortium. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND | ||
| * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | ||
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY | ||
| * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| * | ||
| * ==================================================================== | ||
| * | ||
| */ | ||
|
|
||
| #ifndef _LIBUTIL_BITARR_H_ | ||
| #define _LIBUTIL_BITARR_H_ | ||
|
|
||
| #include <assert.h> | ||
| #include <string.h> | ||
|
|
||
| #include <sphinxbase/prim_type.h> | ||
| /* Win32/WinCE DLL gunk */ | ||
| #include <sphinxbase/sphinxbase_export.h> | ||
|
|
||
| /** | ||
| * @file bitarr.h | ||
| * @brief An implementation bit array - memory efficient storage for digit int and float data. | ||
| * | ||
| * Implementation of basic operations of read/write digits consuming as little space as possible. | ||
| */ | ||
|
|
||
| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
| #if 0 | ||
| /* Fool Emacs. */ | ||
| } | ||
| #endif | ||
|
|
||
| /** | ||
| * Structure that specifies bits required to efficiently store certain data | ||
| */ | ||
| typedef struct bitarr_mask_s { | ||
| uint8 bits; | ||
| uint32 mask; | ||
| }bitarr_mask_t; | ||
|
|
||
| /** | ||
| * Structure that stores address of certain value in bit array | ||
| */ | ||
| typedef struct bitarr_address_s { | ||
| void *base; | ||
| uint32 offset; | ||
| }bitarr_address_t; | ||
|
|
||
| /** | ||
| * Read uint64 value from bit array. | ||
| * Assumes mask == (1 << length) - 1 where length <= 57 | ||
| * @param address to read from | ||
| * @param length number of bits for value | ||
| * @param mask of read value | ||
| * @return uint64 value that was read | ||
| */ | ||
| SPHINXBASE_EXPORT | ||
| uint64 | ||
| bitarr_read_int57(bitarr_address_t address, uint8 length, uint64 mask); | ||
|
|
||
| /** | ||
| * Write specified value into bit array. | ||
| * Assumes value < (1 << length) and length <= 57. | ||
| * Assumes the memory is zero initially. | ||
| * @param address to write to | ||
| * @param length amount of active bytes in value to write | ||
| * @param value integer to write | ||
| */ | ||
| SPHINXBASE_EXPORT | ||
| void | ||
| bitarr_write_int57(bitarr_address_t address, uint8 length, uint64 value); | ||
|
|
||
| /** | ||
| * Read uint32 value from bit array. | ||
| * Assumes mask == (1 << length) - 1 where length <= 25 | ||
| * @param address to read from | ||
| * @param length number of bits for value | ||
| * @param mask of read value | ||
| * @return uint32 value that was read | ||
| */ | ||
| SPHINXBASE_EXPORT | ||
| uint32 | ||
| bitarr_read_int25(bitarr_address_t address, uint8 length, uint32 mask); | ||
|
|
||
| /** | ||
| * Write specified value into bit array. | ||
| * Assumes value < (1 << length) and length <= 25. | ||
| * Assumes the memory is zero initially. | ||
| * @param address in bit array ti write to | ||
| * @param length amount of active bytes in value to write | ||
| * @param value integer to write | ||
| */ | ||
| SPHINXBASE_EXPORT | ||
| void | ||
| bitarr_write_int25(bitarr_address_t address, uint8 length, uint32 value); | ||
|
|
||
| /** | ||
| * Fills mask for certain int range according to provided max value | ||
| * @param bit_mask mask that is filled | ||
| * @param max_value bigest integer that is going to be stored using this mask | ||
| */ | ||
| SPHINXBASE_EXPORT | ||
| void | ||
| bitarr_mask_from_max(bitarr_mask_t *bit_mask, uint32 max_value); | ||
|
|
||
| /** | ||
| * Computes amount of bits required ti store integers upto value provided. | ||
| * @param max_value bigest integer that going to be stored using this amount of bits | ||
| * @return amount of bits required to store integers from range with maximum provided | ||
| */ | ||
| SPHINXBASE_EXPORT | ||
| uint8 | ||
| bitarr_required_bits(uint32 max_value); | ||
|
|
||
| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
|
||
| #endif /* _LIBUTIL_BITARR_H_ */ |
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