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|
/*!The Treasure Box Library
*
* TBox is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* TBox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with TBox;
* If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
*
* Copyright (C) 2009 - 2015, ruki All rights reserved.
*
* @author ruki
* @file bits.h
* @ingroup utils
*
*/
#ifndef TB_UTILS_BITS_H
#define TB_UTILS_BITS_H
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
#include "../libm/libm.h"
#if defined(TB_COMPILER_IS_GCC) \
&& TB_COMPILER_VERSION_BE(4, 1)
# include "impl/bits_gcc.h"
#endif
#if defined(TB_ARCH_x86) || defined(TB_ARCH_x64)
# include "impl/bits_x86.h"
#elif defined(TB_ARCH_ARM)
# include "impl/bits_arm.h"
#elif defined(TB_ARCH_SH4)
# include "impl/bits_sh4.h"
#endif
/* //////////////////////////////////////////////////////////////////////////////////////
* extern
*/
__tb_extern_c_enter__
/* //////////////////////////////////////////////////////////////////////////////////////
* macros
*/
// 1-bits
#define tb_bits_get_u1(p) (((*(p)) >> 7) & 1)
#define tb_bits_set_u1(p, x) do { *(p) &= 0x7f; *(p) |= (((x) & 0x1) << 7); } while (0)
// 8-bits
#define tb_bits_get_u8(p) (*(p))
#define tb_bits_get_s8(p) (*(p))
#define tb_bits_set_u8(p, x) do { *(p) = (tb_uint8_t)(x); } while (0)
#define tb_bits_set_s8(p, x) do { *(p) = (tb_sint8_t)(x); } while (0)
// 16-bits
#define tb_bits_get_u16_le_impl(p) ((tb_uint16_t)((tb_uint16_t)*((p) + 1) << 8 | (tb_uint16_t)*(p)))
#define tb_bits_get_s16_le_impl(p) tb_bits_get_u16_le_impl(p)
#define tb_bits_get_u16_be_impl(p) ((tb_uint16_t)(*((p)) << 8 | (tb_uint16_t)*((p) + 1)))
#define tb_bits_get_s16_be_impl(p) tb_bits_get_u16_be_impl(p)
#define tb_bits_get_u16_ne_impl(p) (*((tb_uint16_t*)(p)))
#define tb_bits_get_s16_ne_impl(p) tb_bits_get_u16_ne_impl(p)
#define tb_bits_set_u16_le_impl(p, x) tb_bits_set_u16_le_inline(p, x)
#define tb_bits_set_s16_le_impl(p, x) tb_bits_set_u16_le_inline(p, x)
#define tb_bits_set_u16_be_impl(p, x) tb_bits_set_u16_be_inline(p, x)
#define tb_bits_set_s16_be_impl(p, x) tb_bits_set_u16_be_inline(p, x)
#define tb_bits_set_u16_ne_impl(p, x) do { *((tb_uint16_t*)(p)) = (tb_uint16_t)(x); } while (0)
#define tb_bits_set_s16_ne_impl(p, x) tb_bits_set_u16_ne_impl(p, x)
// 24-bits
#define tb_bits_get_u24_le_impl(p) ((tb_uint32_t)(*((p) + 2) << 16 | *((p) + 1) << 8 | *(p)))
#define tb_bits_get_s24_le_impl(p) ((tb_bits_get_u24_le_impl(p) + 0xff800000) ^ 0xff800000)
#define tb_bits_get_u24_be_impl(p) ((tb_uint32_t)(*(p) << 16 | *((p) + 1) << 8 | *((p) + 2)))
#define tb_bits_get_s24_be_impl(p) ((tb_bits_get_u24_be_impl(p) + 0xff800000) ^ 0xff800000)
#define tb_bits_get_u24_ne_impl(p) ((tb_uint32_t)(*((tb_uint32_t*)(p)) & 0x00ffffff))
#define tb_bits_get_s24_ne_impl(p) ((tb_bits_get_u24_ne_impl(p) + 0xff800000) ^ 0xff800000)
#define tb_bits_set_u24_le_impl(p, x) tb_bits_set_u24_le_inline(p, x)
#define tb_bits_set_s24_le_impl(p, x) tb_bits_set_u24_le_inline(p, x)
#define tb_bits_set_u24_be_impl(p, x) tb_bits_set_u24_be_inline(p, x)
#define tb_bits_set_s24_be_impl(p, x) tb_bits_set_u24_be_inline(p, x)
#define tb_bits_set_u24_ne_impl(p, x) do { *((tb_uint32_t*)(p)) = (tb_uint32_t)(x) & 0x00ffffff; } while (0)
#define tb_bits_set_s24_ne_impl(p, x) tb_bits_set_u24_ne_impl(p, x)
// 32-bits
#define tb_bits_get_u32_le_impl(p) ((tb_uint32_t)(*((p) + 3) << 24 | *((p) + 2) << 16 | *((p) + 1) << 8 | *(p)))
#define tb_bits_get_s32_le_impl(p) tb_bits_get_u32_le_impl(p)
#define tb_bits_get_u32_be_impl(p) ((tb_uint32_t)(*(p) << 24 | *((p) + 1) << 16 | *((p) + 2) << 8 | *((p) + 3)))
#define tb_bits_get_s32_be_impl(p) tb_bits_get_u32_be_impl(p)
#define tb_bits_get_u32_ne_impl(p) (*((tb_uint32_t*)(p)))
#define tb_bits_get_s32_ne_impl(p) tb_bits_get_u32_ne_impl(p)
#define tb_bits_set_u32_le_impl(p, x) tb_bits_set_u32_le_inline(p, x)
#define tb_bits_set_s32_le_impl(p, x) tb_bits_set_u32_le_inline(p, x)
#define tb_bits_set_u32_be_impl(p, x) tb_bits_set_u32_be_inline(p, x)
#define tb_bits_set_s32_be_impl(p, x) tb_bits_set_u32_be_inline(p, x)
#define tb_bits_set_u32_ne_impl(p, x) do { *((tb_uint32_t*)(p)) = (tb_uint32_t)(x); } while (0)
#define tb_bits_set_s32_ne_impl(p, x) tb_bits_set_u32_ne_impl(p, x)
// 64-bits
#define tb_bits_get_u64_le_impl(p) ((tb_uint64_t)*((p) + 7) << 56 | (tb_uint64_t)*((p) + 6) << 48 | (tb_uint64_t)*((p) + 5) << 40 | (tb_uint64_t)*((p) + 4) << 32 | (tb_uint64_t)*((p) + 3) << 24 | (tb_uint64_t)*((p) + 2) << 16 | (tb_uint64_t)*((p) + 1) << 8 | (tb_uint64_t)*(p))
#define tb_bits_get_s64_le_impl(p) tb_bits_get_u64_le_impl(p)
#define tb_bits_get_u64_be_impl(p) ((tb_uint64_t)*(p) << 56 | (tb_uint64_t)*((p) + 1) << 48 | (tb_uint64_t)*((p) + 2) << 40 | (tb_uint64_t)*((p) + 3) << 32 | (tb_uint64_t)*((p) + 4) << 24 | (tb_uint64_t)*((p) + 5) << 16 | (tb_uint64_t)*((p) + 6) << 8 | (tb_uint64_t)*((p) + 7))
#define tb_bits_get_s64_be_impl(p) tb_bits_get_u64_be_impl(p)
#define tb_bits_get_u64_ne_impl(p) (*((tb_uint64_t*)(p)))
#define tb_bits_get_s64_ne_impl(p) tb_bits_get_u64_ne_impl(p)
#define tb_bits_set_u64_le_impl(p, x) tb_bits_set_u64_le_inline(p, x)
#define tb_bits_set_s64_le_impl(p, x) tb_bits_set_u64_le_inline(p, x)
#define tb_bits_set_u64_be_impl(p, x) tb_bits_set_u64_be_inline(p, x)
#define tb_bits_set_s64_be_impl(p, x) tb_bits_set_u64_be_inline(p, x)
#define tb_bits_set_u64_ne_impl(p, x) do { *((tb_uint64_t*)(p)) = (tb_uint64_t)(x); } while (0)
#define tb_bits_set_s64_ne_impl(p, x) tb_bits_set_u64_ne_impl(p, x)
// float
#ifdef TB_CONFIG_TYPE_HAVE_FLOAT
# define tb_bits_get_float_le(p) tb_bits_get_float_le_inline(p)
# define tb_bits_get_float_be(p) tb_bits_get_float_be_inline(p)
# define tb_bits_set_float_le(p, x) tb_bits_set_float_le_inline(p, x)
# define tb_bits_set_float_be(p, x) tb_bits_set_float_be_inline(p, x)
# define tb_bits_get_double_ble(p) tb_bits_get_double_ble_inline(p)
# define tb_bits_get_double_bbe(p) tb_bits_get_double_bbe_inline(p)
# define tb_bits_get_double_lle(p) tb_bits_get_double_lle_inline(p)
# define tb_bits_get_double_lbe(p) tb_bits_get_double_lbe_inline(p)
# define tb_bits_set_double_ble(p, x) tb_bits_set_double_ble_inline(p, x)
# define tb_bits_set_double_bbe(p, x) tb_bits_set_double_bbe_inline(p, x)
# define tb_bits_set_double_lle(p, x) tb_bits_set_double_lle_inline(p, x)
# define tb_bits_set_double_lbe(p, x) tb_bits_set_double_lbe_inline(p, x)
# ifdef TB_FLOAT_BIGENDIAN
# define tb_bits_get_double_nbe(p) tb_bits_get_double_bbe(p)
# define tb_bits_get_double_nle(p) tb_bits_get_double_ble(p)
# define tb_bits_set_double_nbe(p, x) tb_bits_set_double_bbe(p, x)
# define tb_bits_set_double_nle(p, x) tb_bits_set_double_ble(p, x)
# else
# define tb_bits_get_double_nbe(p) tb_bits_get_double_lbe(p)
# define tb_bits_get_double_nle(p) tb_bits_get_double_lle(p)
# define tb_bits_set_double_nbe(p, x) tb_bits_set_double_lbe(p, x)
# define tb_bits_set_double_nle(p, x) tb_bits_set_double_lle(p, x)
# endif
# ifdef TB_WORDS_BIGENDIAN
# define tb_bits_get_float_ne(p) tb_bits_get_float_be(p)
# define tb_bits_set_float_ne(p, x) tb_bits_set_float_be(p, x)
# define tb_bits_get_double_nne(p) tb_bits_get_double_nbe(p)
# define tb_bits_get_double_bne(p) tb_bits_get_double_bbe(p)
# define tb_bits_get_double_lne(p) tb_bits_get_double_lbe(p)
# define tb_bits_set_double_nne(p, x) tb_bits_set_double_nbe(p, x)
# define tb_bits_set_double_bne(p, x) tb_bits_set_double_bbe(p, x)
# define tb_bits_set_double_lne(p, x) tb_bits_set_double_lbe(p, x)
# else
# define tb_bits_get_float_ne(p) tb_bits_get_float_le(p)
# define tb_bits_set_float_ne(p, x) tb_bits_set_float_le(p, x)
# define tb_bits_get_double_nne(p) tb_bits_get_double_nle(p)
# define tb_bits_get_double_bne(p) tb_bits_get_double_ble(p)
# define tb_bits_get_double_lne(p) tb_bits_get_double_lle(p)
# define tb_bits_set_double_nne(p, x) tb_bits_set_double_nle(p, x)
# define tb_bits_set_double_bne(p, x) tb_bits_set_double_ble(p, x)
# define tb_bits_set_double_lne(p, x) tb_bits_set_double_lle(p, x)
# endif
#endif
#ifdef TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE
# ifdef TB_WORDS_BIGENDIAN
// 16-bits
# define tb_bits_get_u16_le(p) tb_bits_get_u16_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s16_le(p) tb_bits_get_s16_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u16_be(p) tb_bits_get_u16_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s16_be(p) tb_bits_get_s16_ne_impl((tb_byte_t*)(p))
# define tb_bits_set_u16_le(p, x) tb_bits_set_u16_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s16_le(p, x) tb_bits_set_s16_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u16_be(p, x) tb_bits_set_u16_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s16_be(p, x) tb_bits_set_s16_ne_impl((tb_byte_t*)(p), x)
// 24-bits
# define tb_bits_get_u24_le(p) tb_bits_get_u24_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s24_le(p) tb_bits_get_s24_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u24_be(p) tb_bits_get_u24_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s24_be(p) tb_bits_get_s24_ne_impl((tb_byte_t*)(p))
# define tb_bits_set_u24_le(p, x) tb_bits_set_u24_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s24_le(p, x) tb_bits_set_s24_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u24_be(p, x) tb_bits_set_u24_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s24_be(p, x) tb_bits_set_s24_ne_impl((tb_byte_t*)(p), x)
// 32-bits
# define tb_bits_get_u32_le(p) tb_bits_get_u32_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s32_le(p) tb_bits_get_s32_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u32_be(p) tb_bits_get_u32_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s32_be(p) tb_bits_get_s32_ne_impl((tb_byte_t*)(p))
# define tb_bits_set_u32_le(p, x) tb_bits_set_u32_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s32_le(p, x) tb_bits_set_u32_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u32_be(p, x) tb_bits_set_u32_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s32_be(p, x) tb_bits_set_s32_ne_impl((tb_byte_t*)(p), x)
// 64-bits
# define tb_bits_get_u64_le(p) tb_bits_get_u64_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s64_le(p) tb_bits_get_s64_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u64_be(p) tb_bits_get_u64_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s64_be(p) tb_bits_get_s64_ne_impl((tb_byte_t*)(p))
# define tb_bits_set_u64_le(p, x) tb_bits_set_u64_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s64_le(p, x) tb_bits_set_u64_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u64_be(p, x) tb_bits_set_u64_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s64_be(p, x) tb_bits_set_s64_ne_impl((tb_byte_t*)(p), x)
# else
// 16-bits
# define tb_bits_get_u16_le(p) tb_bits_get_u16_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s16_le(p) tb_bits_get_s16_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_u16_be(p) tb_bits_get_u16_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s16_be(p) tb_bits_get_s16_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u16_le(p, x) tb_bits_set_u16_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s16_le(p, x) tb_bits_set_s16_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u16_be(p, x) tb_bits_set_u16_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s16_be(p, x) tb_bits_set_s16_be_impl((tb_byte_t*)(p), x)
// 24-bits
# define tb_bits_get_u24_le(p) tb_bits_get_u24_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s24_le(p) tb_bits_get_s24_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_u24_be(p) tb_bits_get_u24_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s24_be(p) tb_bits_get_s24_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u24_le(p, x) tb_bits_set_u24_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s24_le(p, x) tb_bits_set_s24_ne_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u24_be(p, x) tb_bits_set_u24_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s24_be(p, x) tb_bits_set_s24_be_impl((tb_byte_t*)(p), x)
// 32-bits
# define tb_bits_get_u32_le(p) tb_bits_get_u32_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s32_le(p) tb_bits_get_s32_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_u32_be(p) tb_bits_get_u32_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s32_be(p) tb_bits_get_s32_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u32_le(p, x) tb_bits_set_u32_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s32_le(p, x) tb_bits_set_u32_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u32_be(p, x) tb_bits_set_u32_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s32_be(p, x) tb_bits_set_s32_be_impl((tb_byte_t*)(p), x)
// 64-bits
# define tb_bits_get_u64_le(p) tb_bits_get_u64_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_s64_le(p) tb_bits_get_s64_ne_impl((tb_byte_t*)(p))
# define tb_bits_get_u64_be(p) tb_bits_get_u64_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s64_be(p) tb_bits_get_s64_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u64_le(p, x) tb_bits_set_u64_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s64_le(p, x) tb_bits_set_u64_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u64_be(p, x) tb_bits_set_u64_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s64_be(p, x) tb_bits_set_s64_be_impl((tb_byte_t*)(p), x)
# endif /* TB_WORDS_BIGENDIAN */
#else
// 16-bits
# define tb_bits_get_u16_le(p) tb_bits_get_u16_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s16_le(p) tb_bits_get_s16_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u16_be(p) tb_bits_get_u16_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s16_be(p) tb_bits_get_s16_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u16_le(p, x) tb_bits_set_u16_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s16_le(p, x) tb_bits_set_s16_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u16_be(p, x) tb_bits_set_u16_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s16_be(p, x) tb_bits_set_s16_be_impl((tb_byte_t*)(p), x)
// 24-bits
# define tb_bits_get_u24_le(p) tb_bits_get_u24_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s24_le(p) tb_bits_get_s24_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u24_be(p) tb_bits_get_u24_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s24_be(p) tb_bits_get_s24_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u24_le(p, x) tb_bits_set_u24_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s24_le(p, x) tb_bits_set_s24_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u24_be(p, x) tb_bits_set_u24_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s24_be(p, x) tb_bits_set_s24_be_impl((tb_byte_t*)(p), x)
// 32-bits
# define tb_bits_get_u32_le(p) tb_bits_get_u32_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s32_le(p) tb_bits_get_s32_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u32_be(p) tb_bits_get_u32_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s32_be(p) tb_bits_get_s32_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u32_le(p, x) tb_bits_set_u32_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s32_le(p, x) tb_bits_set_u32_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u32_be(p, x) tb_bits_set_u32_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s32_be(p, x) tb_bits_set_s32_be_impl((tb_byte_t*)(p), x)
// 64-bits
# define tb_bits_get_u64_le(p) tb_bits_get_u64_le_impl((tb_byte_t*)(p))
# define tb_bits_get_s64_le(p) tb_bits_get_s64_le_impl((tb_byte_t*)(p))
# define tb_bits_get_u64_be(p) tb_bits_get_u64_be_impl((tb_byte_t*)(p))
# define tb_bits_get_s64_be(p) tb_bits_get_s64_be_impl((tb_byte_t*)(p))
# define tb_bits_set_u64_le(p, x) tb_bits_set_u64_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s64_le(p, x) tb_bits_set_u64_le_impl((tb_byte_t*)(p), x)
# define tb_bits_set_u64_be(p, x) tb_bits_set_u64_be_impl((tb_byte_t*)(p), x)
# define tb_bits_set_s64_be(p, x) tb_bits_set_s64_be_impl((tb_byte_t*)(p), x)
#endif /* TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE */
#ifdef TB_WORDS_BIGENDIAN
# define tb_bits_get_u16_ne(p) tb_bits_get_u16_be(p)
# define tb_bits_get_s16_ne(p) tb_bits_get_s16_be(p)
# define tb_bits_get_u24_ne(p) tb_bits_get_u24_be(p)
# define tb_bits_get_s24_ne(p) tb_bits_get_s24_be(p)
# define tb_bits_get_u32_ne(p) tb_bits_get_u32_be(p)
# define tb_bits_get_s32_ne(p) tb_bits_get_s32_be(p)
# define tb_bits_get_u64_ne(p) tb_bits_get_u64_be(p)
# define tb_bits_get_s64_ne(p) tb_bits_get_s64_be(p)
# define tb_bits_set_u16_ne(p, x) tb_bits_set_u16_be(p, x)
# define tb_bits_set_s16_ne(p, x) tb_bits_set_s16_be(p, x)
# define tb_bits_set_u24_ne(p, x) tb_bits_set_u24_be(p, x)
# define tb_bits_set_s24_ne(p, x) tb_bits_set_s24_be(p, x)
# define tb_bits_set_u32_ne(p, x) tb_bits_set_u32_be(p, x)
# define tb_bits_set_s32_ne(p, x) tb_bits_set_s32_be(p, x)
# define tb_bits_set_u64_ne(p, x) tb_bits_set_u64_be(p, x)
# define tb_bits_set_s64_ne(p, x) tb_bits_set_s64_be(p, x)
#else
# define tb_bits_get_u16_ne(p) tb_bits_get_u16_le(p)
# define tb_bits_get_s16_ne(p) tb_bits_get_s16_le(p)
# define tb_bits_get_u24_ne(p) tb_bits_get_u24_le(p)
# define tb_bits_get_s24_ne(p) tb_bits_get_s24_le(p)
# define tb_bits_get_u32_ne(p) tb_bits_get_u32_le(p)
# define tb_bits_get_s32_ne(p) tb_bits_get_s32_le(p)
# define tb_bits_get_u64_ne(p) tb_bits_get_u64_le(p)
# define tb_bits_get_s64_ne(p) tb_bits_get_s64_le(p)
# define tb_bits_set_u16_ne(p, x) tb_bits_set_u16_le(p, x)
# define tb_bits_set_s16_ne(p, x) tb_bits_set_s16_le(p, x)
# define tb_bits_set_u24_ne(p, x) tb_bits_set_u24_le(p, x)
# define tb_bits_set_s24_ne(p, x) tb_bits_set_s24_le(p, x)
# define tb_bits_set_u32_ne(p, x) tb_bits_set_u32_le(p, x)
# define tb_bits_set_s32_ne(p, x) tb_bits_set_s32_le(p, x)
# define tb_bits_set_u64_ne(p, x) tb_bits_set_u64_le(p, x)
# define tb_bits_set_s64_ne(p, x) tb_bits_set_s64_le(p, x)
#endif /* TB_WORDS_BIGENDIAN */
// swap
#ifndef tb_bits_swap_u16
# define tb_bits_swap_u16(x) tb_bits_swap_u16_inline((tb_uint16_t)(x))
#endif
#ifndef tb_bits_swap_u24
# define tb_bits_swap_u24(x) tb_bits_swap_u24_inline((tb_uint32_t)(x))
#endif
#ifndef tb_bits_swap_u32
# define tb_bits_swap_u32(x) tb_bits_swap_u32_inline((tb_uint32_t)(x))
#endif
#ifndef tb_bits_swap_u64
# define tb_bits_swap_u64(x) tb_bits_swap_u64_inline((tb_uint64_t)(x))
#endif
#ifdef TB_WORDS_BIGENDIAN
# define tb_bits_be_to_ne_u16(x) ((tb_uint16_t)(x))
# define tb_bits_le_to_ne_u16(x) tb_bits_swap_u16(x)
# define tb_bits_be_to_ne_u24(x) ((tb_uint32_t)(x) & 0x00ffffff)
# define tb_bits_le_to_ne_u24(x) tb_bits_swap_u24(x)
# define tb_bits_be_to_ne_u32(x) ((tb_uint32_t)(x))
# define tb_bits_le_to_ne_u32(x) tb_bits_swap_u32(x)
# define tb_bits_be_to_ne_u64(x) ((tb_uint64_t)(x))
# define tb_bits_le_to_ne_u64(x) tb_bits_swap_u64(x)
#else
# define tb_bits_be_to_ne_u16(x) tb_bits_swap_u16(x)
# define tb_bits_le_to_ne_u16(x) ((tb_uint16_t)(x))
# define tb_bits_be_to_ne_u24(x) tb_bits_swap_u24(x)
# define tb_bits_le_to_ne_u24(x) ((tb_uint32_t)(x) & 0x00ffffff)
# define tb_bits_be_to_ne_u32(x) tb_bits_swap_u32(x)
# define tb_bits_le_to_ne_u32(x) ((tb_uint32_t)(x))
# define tb_bits_be_to_ne_u64(x) tb_bits_swap_u64(x)
# define tb_bits_le_to_ne_u64(x) ((tb_uint64_t)(x))
#endif
#define tb_bits_ne_to_be_u16(x) tb_bits_be_to_ne_u16(x)
#define tb_bits_ne_to_le_u16(x) tb_bits_le_to_ne_u16(x)
#define tb_bits_ne_to_be_u24(x) tb_bits_be_to_ne_u24(x)
#define tb_bits_ne_to_le_u24(x) tb_bits_le_to_ne_u24(x)
#define tb_bits_ne_to_be_u32(x) tb_bits_be_to_ne_u32(x)
#define tb_bits_ne_to_le_u32(x) tb_bits_le_to_ne_u32(x)
#define tb_bits_ne_to_be_u64(x) tb_bits_be_to_ne_u64(x)
#define tb_bits_ne_to_le_u64(x) tb_bits_le_to_ne_u64(x)
// cl0, count leading bit 0
#ifndef tb_bits_cl0_u32_be
# define tb_bits_cl0_u32_be(x) tb_bits_cl0_u32_be_inline(x)
#endif
#ifndef tb_bits_cl0_u32_le
# define tb_bits_cl0_u32_le(x) tb_bits_cl0_u32_le_inline(x)
#endif
#ifndef tb_bits_cl0_u64_be
# define tb_bits_cl0_u64_be(x) tb_bits_cl0_u64_be_inline(x)
#endif
#ifndef tb_bits_cl0_u64_le
# define tb_bits_cl0_u64_le(x) tb_bits_cl0_u64_le_inline(x)
#endif
// cl1, count leading bit 1
#ifndef tb_bits_cl1_u32_be
# define tb_bits_cl1_u32_be(x) tb_bits_cl0_u32_be(~(tb_uint32_t)(x))
#endif
#ifndef tb_bits_cl1_u32_le
# define tb_bits_cl1_u32_le(x) tb_bits_cl0_u32_le(~(tb_uint32_t)(x))
#endif
#ifndef tb_bits_cl1_u64_be
# define tb_bits_cl1_u64_be(x) tb_bits_cl0_u64_be(~(tb_uint64_t)(x))
#endif
#ifndef tb_bits_cl1_u64_le
# define tb_bits_cl1_u64_le(x) tb_bits_cl0_u64_le(~(tb_uint64_t)(x))
#endif
// cb1, count bit 1
#ifndef tb_bits_cb1_u32
# define tb_bits_cb1_u32(x) tb_bits_cb1_u32_inline(x)
#endif
#ifndef tb_bits_cb1_u64
# define tb_bits_cb1_u64(x) tb_bits_cb1_u64_inline(x)
#endif
// cb0, count bit 0
#ifndef tb_bits_cb0_u32
# define tb_bits_cb0_u32(x) ((x)? (tb_size_t)tb_bits_cb1_u32(~(tb_uint32_t)(x)) : 32)
#endif
#ifndef tb_bits_cb0_u64
# define tb_bits_cb0_u64(x) ((x)? (tb_size_t)tb_bits_cb1_u64(~(tb_uint64_t)(x)) : 64)
#endif
/* fb0, find the first bit 0
*
* find bit zero by little endian, fb0(...11101101) == 1
* find bit zero by big endian, fb0(...11101101) == 27
*/
#ifndef tb_bits_fb0_u32_be
# define tb_bits_fb0_u32_be(x) ((x)? tb_bits_cl0_u32_be(~(tb_uint32_t)(x)) : 0)
#endif
#ifndef tb_bits_fb0_u32_le
# define tb_bits_fb0_u32_le(x) ((x)? tb_bits_cl0_u32_le(~(tb_uint32_t)(x)) : 0)
#endif
#ifndef tb_bits_fb0_u64_be
# define tb_bits_fb0_u64_be(x) ((x)? tb_bits_cl0_u64_be(~(tb_uint64_t)(x)) : 0)
#endif
#ifndef tb_bits_fb0_u64_le
# define tb_bits_fb0_u64_le(x) ((x)? tb_bits_cl0_u64_le(~(tb_uint64_t)(x)) : 0)
#endif
// fb1, find the first bit 1
#ifndef tb_bits_fb1_u32_be
# define tb_bits_fb1_u32_be(x) ((x)? tb_bits_cl0_u32_be(x) : 32)
#endif
#ifndef tb_bits_fb1_u32_le
# define tb_bits_fb1_u32_le(x) ((x)? tb_bits_cl0_u32_le(x) : 32)
#endif
#ifndef tb_bits_fb1_u64_be
# define tb_bits_fb1_u64_be(x) ((x)? tb_bits_cl0_u64_be(x) : 64)
#endif
#ifndef tb_bits_fb1_u64_le
# define tb_bits_fb1_u64_le(x) ((x)? tb_bits_cl0_u64_le(x) : 64)
#endif
// only for tb_size_t
#if TB_CPU_BIT64
# define tb_bits_swap(x) tb_bits_swap_u64(x)
# define tb_bits_cl0_be(x) tb_bits_cl0_u64_be(x)
# define tb_bits_cl0_le(x) tb_bits_cl0_u64_le(x)
# define tb_bits_cl1_be(x) tb_bits_cl1_u64_be(x)
# define tb_bits_cl1_le(x) tb_bits_cl1_u64_le(x)
# define tb_bits_fb0_be(x) tb_bits_fb0_u64_be(x)
# define tb_bits_fb0_le(x) tb_bits_fb0_u64_le(x)
# define tb_bits_fb1_be(x) tb_bits_fb1_u64_be(x)
# define tb_bits_fb1_le(x) tb_bits_fb1_u64_le(x)
# define tb_bits_cb0(x) tb_bits_cb0_u64(x)
# define tb_bits_cb1(x) tb_bits_cb1_u64(x)
#elif TB_CPU_BIT32
# define tb_bits_swap(x) tb_bits_swap_u32(x)
# define tb_bits_cl0_be(x) tb_bits_cl0_u32_be(x)
# define tb_bits_cl0_le(x) tb_bits_cl0_u32_le(x)
# define tb_bits_cl1_be(x) tb_bits_cl1_u32_be(x)
# define tb_bits_cl1_le(x) tb_bits_cl1_u32_le(x)
# define tb_bits_fb0_be(x) tb_bits_fb0_u32_be(x)
# define tb_bits_fb0_le(x) tb_bits_fb0_u32_le(x)
# define tb_bits_fb1_be(x) tb_bits_fb1_u32_be(x)
# define tb_bits_fb1_le(x) tb_bits_fb1_u32_le(x)
# define tb_bits_cb0(x) tb_bits_cb0_u32(x)
# define tb_bits_cb1(x) tb_bits_cb1_u32(x)
#endif
/* //////////////////////////////////////////////////////////////////////////////////////
* interfaces
*/
/*! get ubits32 integer
*
* @param p the data pointer
* @param b the start bits
* @param n the bits count
*
* @return the ubits32 integer
*/
tb_uint32_t tb_bits_get_ubits32(tb_byte_t const* p, tb_size_t b, tb_size_t n);
/*! get sbits32 integer
*
* @param p the data pointer
* @param b the start bits
* @param n the bits count
*
* @return the ubits32 integer
*/
tb_sint32_t tb_bits_get_sbits32(tb_byte_t const* p, tb_size_t b, tb_size_t n);
/*! set ubits32 integer
*
* @param p the data pointer
* @param b the start bits
* @param x the value
* @param n the bits count
*/
tb_void_t tb_bits_set_ubits32(tb_byte_t* p, tb_size_t b, tb_uint32_t x, tb_size_t n);
/*! set ubits32 integer
*
* @param p the data pointer
* @param b the start bits
* @param x the value
* @param n the bits count
*/
tb_void_t tb_bits_set_sbits32(tb_byte_t* p, tb_size_t b, tb_sint32_t x, tb_size_t n);
/*! get ubits64 integer
*
* @param p the data pointer
* @param b the start bits
* @param n the bits count
*
* @return the ubits64 integer
*/
tb_uint64_t tb_bits_get_ubits64(tb_byte_t const* p, tb_size_t b, tb_size_t n);
/*! get sbits64 integer
*
* @param p the data pointer
* @param b the start bits
* @param n the bits count
*
* @return the ubits64 integer
*/
tb_sint64_t tb_bits_get_sbits64(tb_byte_t const* p, tb_size_t b, tb_size_t n);
/* //////////////////////////////////////////////////////////////////////////////////////
* bits
*/
static __tb_inline__ tb_void_t tb_bits_set_u16_le_inline(tb_byte_t* p, tb_uint16_t x)
{
p[0] = (tb_byte_t)x;
p[1] = (tb_byte_t)(x >> 8);
}
static __tb_inline__ tb_void_t tb_bits_set_u16_be_inline(tb_byte_t* p, tb_uint16_t x)
{
p[0] = (tb_byte_t)(x >> 8);
p[1] = (tb_byte_t)x;
}
static __tb_inline__ tb_void_t tb_bits_set_u24_le_inline(tb_byte_t* p, tb_uint32_t x)
{
p[0] = (tb_byte_t)x;
p[1] = (tb_byte_t)(x >> 8);
p[2] = (tb_byte_t)(x >> 16);
}
static __tb_inline__ tb_void_t tb_bits_set_u24_be_inline(tb_byte_t* p, tb_uint32_t x)
{
p[0] = (tb_byte_t)(x >> 16);
p[1] = (tb_byte_t)(x >> 8);
p[2] = (tb_byte_t)x;
}
static __tb_inline__ tb_void_t tb_bits_set_u32_le_inline(tb_byte_t* p, tb_uint32_t x)
{
p[0] = (tb_byte_t)x;
p[1] = (tb_byte_t)(x >> 8);
p[2] = (tb_byte_t)(x >> 16);
p[3] = (tb_byte_t)(x >> 24);
}
static __tb_inline__ tb_void_t tb_bits_set_u32_be_inline(tb_byte_t* p, tb_uint32_t x)
{
p[0] = (tb_byte_t)(x >> 24);
p[1] = (tb_byte_t)(x >> 16);
p[2] = (tb_byte_t)(x >> 8);
p[3] = (tb_byte_t)x;
}
static __tb_inline__ tb_void_t tb_bits_set_u64_le_inline(tb_byte_t* p, tb_uint64_t x)
{
p[0] = (tb_byte_t)x;
p[1] = (tb_byte_t)(x >> 8);
p[2] = (tb_byte_t)(x >> 16);
p[3] = (tb_byte_t)(x >> 24);
p[4] = (tb_byte_t)(x >> 32);
p[5] = (tb_byte_t)(x >> 40);
p[6] = (tb_byte_t)(x >> 48);
p[7] = (tb_byte_t)(x >> 56);
}
static __tb_inline__ tb_void_t tb_bits_set_u64_be_inline(tb_byte_t* p, tb_uint64_t x)
{
p[0] = (tb_byte_t)(x >> 56);
p[1] = (tb_byte_t)(x >> 48);
p[2] = (tb_byte_t)(x >> 40);
p[3] = (tb_byte_t)(x >> 32);
p[4] = (tb_byte_t)(x >> 24);
p[5] = (tb_byte_t)(x >> 16);
p[6] = (tb_byte_t)(x >> 8);
p[7] = (tb_byte_t)x;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* swap
*/
// swap
static __tb_inline__ tb_uint16_t const tb_bits_swap_u16_inline(tb_uint16_t x)
{
x = (x >> 8) | (x << 8);
return x;
}
static __tb_inline__ tb_uint32_t const tb_bits_swap_u24_inline(tb_uint32_t x)
{
return (x >> 16) | (x & 0x0000ff00) | (x << 16);
}
static __tb_inline__ tb_uint32_t const tb_bits_swap_u32_inline(tb_uint32_t x)
{
x = ((x << 8) & 0xff00ff00) | ((x >> 8) & 0x00ff00ff);
x = (x >> 16) | (x << 16);
return x;
}
static __tb_inline__ tb_hize_t const tb_bits_swap_u64_inline(tb_hize_t x)
{
union
{
tb_hize_t u64;
tb_uint32_t u32[2];
} w, r;
w.u64 = x;
r.u32[0] = tb_bits_swap_u32(w.u32[1]);
r.u32[1] = tb_bits_swap_u32(w.u32[0]);
return r.u64;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* cl0
*/
static __tb_inline__ tb_size_t tb_bits_cl0_u32_be_inline(tb_uint32_t x)
{
tb_check_return_val(x, 32);
tb_size_t n = 31;
if (x & 0xffff0000) { n -= 16; x >>= 16; }
if (x & 0xff00) { n -= 8; x >>= 8; }
if (x & 0xf0) { n -= 4; x >>= 4; }
if (x & 0xc) { n -= 2; x >>= 2; }
if (x & 0x2) { n--; }
return n;
}
static __tb_inline__ tb_size_t tb_bits_cl0_u32_le_inline(tb_uint32_t x)
{
tb_check_return_val(x, 32);
tb_size_t n = 31;
if (x & 0x0000ffff) { n -= 16; } else x >>= 16;
if (x & 0x00ff) { n -= 8; } else x >>= 8;
if (x & 0x0f) { n -= 4; } else x >>= 4;
if (x & 0x3) { n -= 2; } else x >>= 2;
if (x & 0x1) { n--; }
return n;
}
static __tb_inline__ tb_size_t tb_bits_cl0_u64_be_inline(tb_uint64_t x)
{
tb_check_return_val(x, 64);
tb_size_t n = tb_bits_cl0_u32_be((tb_uint32_t)(x >> 32));
if (n == 32) n += tb_bits_cl0_u32_be((tb_uint32_t)x);
return n;
}
static __tb_inline__ tb_size_t tb_bits_cl0_u64_le_inline(tb_uint64_t x)
{
tb_check_return_val(x, 64);
tb_size_t n = tb_bits_cl0_u32_le((tb_uint32_t)x);
if (n == 32) n += tb_bits_cl0_u32_le((tb_uint32_t)(x >> 32));
return n;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* cb1
*/
static __tb_inline__ tb_size_t tb_bits_cb1_u32_inline(tb_uint32_t x)
{
tb_check_return_val(x, 0);
#if 0
/*
* 0x55555555 = 01010101010101010101010101010101
* 0x33333333 = 00110011001100110011001100110011
* 0x0f0f0f0f = 00001111000011110000111100001111
* 0x00ff00ff = 00000000111111110000000011111111
* 0x0000ffff = 00000000000000001111111111111111
*/
x = (x & 0x55555555) + ((x >> 1) & 0x55555555);
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f);
x = (x & 0x00ff00ff) + ((x >> 8) & 0x00ff00ff);
x = (x & 0x0000ffff) + ((x >> 16) & 0x0000ffff);
#elif 0
// mit hackmem count
x = x - ((x >> 1) & 0x55555555);
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
x = (x + (x >> 4)) & 0x0f0f0f0f;
x = x + (x >> 8);
x = x + (x >> 16);
x &= 0x7f;
#elif 0
x = x - ((x >> 1) & 0x55555555);
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
x = (x + (x >> 4) & 0x0f0f0f0f);
x = (x * 0x01010101) >> 24;
#elif 0
x = x - ((x >> 1) & 0x55555555);
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
x = (x + (x >> 4) & 0x0f0f0f0f) % 255;
#else
x = x - ((x >> 1) & 0x77777777) - ((x >> 2) & 0x33333333) - ((x >> 3) & 0x11111111);
x = (x + (x >> 4)) & 0x0f0f0f0f;
x = (x * 0x01010101) >> 24;
#endif
return x;
}
static __tb_inline__ tb_size_t tb_bits_cb1_u64_inline(tb_uint64_t x)
{
tb_check_return_val(x, 0);
#if 0
x = x - ((x >> 1) & 0x5555555555555555L);
x = (x & 0x3333333333333333L) + ((x >> 2) & 0x3333333333333333L);
x = (x + (x >> 4)) & 0x0f0f0f0f0f0f0f0fL;
x = x + (x >> 8);
x = x + (x >> 16);
x = x + (x >> 32);
x &= 0x7f;
#else
x = x - ((x >> 1) & 0x7777777777777777ULL) - ((x >> 2) & 0x3333333333333333ULL) - ((x >> 3) & 0x1111111111111111ULL);
x = (x + (x >> 4)) & 0x0f0f0f0f0f0f0f0fULL;
x = (x * 0x0101010101010101ULL) >> 56;
#endif
return (tb_size_t)x;
}
#ifdef TB_CONFIG_TYPE_HAVE_FLOAT
/* //////////////////////////////////////////////////////////////////////////////////////
* float
*/
static __tb_inline__ tb_float_t tb_bits_get_float_le_inline(tb_byte_t const* p)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& !defined(TB_WORDS_BIGENDIAN)
return *((tb_float_t*)p);
#else
tb_ieee_float_t conv;
conv.i = tb_bits_get_u32_le(p);
return conv.f;
#endif
}
static __tb_inline__ tb_float_t tb_bits_get_float_be_inline(tb_byte_t const* p)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& defined(TB_WORDS_BIGENDIAN)
return *((tb_float_t*)p);
#else
tb_ieee_float_t conv;
conv.i = tb_bits_get_u32_be(p);
return conv.f;
#endif
}
static __tb_inline__ tb_void_t tb_bits_set_float_le_inline(tb_byte_t* p, tb_float_t x)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& !defined(TB_WORDS_BIGENDIAN)
*((tb_float_t*)p) = x;
#else
tb_ieee_float_t conv;
conv.f = x;
tb_bits_set_u32_le(p, conv.i);
#endif
}
static __tb_inline__ tb_void_t tb_bits_set_float_be_inline(tb_byte_t* p, tb_float_t x)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& defined(TB_WORDS_BIGENDIAN)
*((tb_float_t*)p) = x;
#else
tb_ieee_float_t conv;
conv.f = x;
tb_bits_set_u32_be(p, conv.i);
#endif
}
/* //////////////////////////////////////////////////////////////////////////////////////
* double
*/
static __tb_inline__ tb_double_t tb_bits_get_double_bbe_inline(tb_byte_t const* p)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& defined(TB_FLOAT_BIGENDIAN) \
&& defined(TB_WORDS_BIGENDIAN)
return *((tb_double_t*)p);
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.i[1] = tb_bits_get_u32_be(p);
conv.i[0] = tb_bits_get_u32_be(p + 4);
return conv.d;
#endif
}
static __tb_inline__ tb_double_t tb_bits_get_double_ble_inline(tb_byte_t const* p)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& defined(TB_FLOAT_BIGENDIAN) \
&& !defined(TB_WORDS_BIGENDIAN)
return *((tb_double_t*)p);
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.i[1] = tb_bits_get_u32_le(p);
conv.i[0] = tb_bits_get_u32_le(p + 4);
return conv.d;
#endif
}
static __tb_inline__ tb_double_t tb_bits_get_double_lbe_inline(tb_byte_t const* p)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& !defined(TB_FLOAT_BIGENDIAN) \
&& defined(TB_WORDS_BIGENDIAN)
return *((tb_double_t*)p);
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.i[0] = tb_bits_get_u32_be(p);
conv.i[1] = tb_bits_get_u32_be(p + 4);
return conv.d;
#endif
}
static __tb_inline__ tb_double_t tb_bits_get_double_lle_inline(tb_byte_t const* p)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& !defined(TB_FLOAT_BIGENDIAN) \
&& !defined(TB_WORDS_BIGENDIAN)
return *((tb_double_t*)p);
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.i[0] = tb_bits_get_u32_le(p);
conv.i[1] = tb_bits_get_u32_le(p + 4);
return conv.d;
#endif
}
// big double endian & big words endian
// 7 6 5 4 3 2 1 0
static __tb_inline__ tb_void_t tb_bits_set_double_bbe_inline(tb_byte_t* p, tb_double_t x)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& defined(TB_FLOAT_BIGENDIAN) \
&& defined(TB_WORDS_BIGENDIAN)
*((tb_double_t*)p) = x;
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.d = x;
tb_bits_set_u32_be(p, conv.i[1]);
tb_bits_set_u32_be(p + 4, conv.i[0]);
#endif
}
// big double endian & litte words endian
// 4 5 6 7 0 1 2 3
static __tb_inline__ tb_void_t tb_bits_set_double_ble_inline(tb_byte_t* p, tb_double_t x)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& defined(TB_FLOAT_BIGENDIAN) \
&& !defined(TB_WORDS_BIGENDIAN)
*((tb_double_t*)p) = x;
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.d = x;
tb_bits_set_u32_le(p, conv.i[1]);
tb_bits_set_u32_le(p + 4, conv.i[0]);
#endif
}
// litte double endian & big words endian
// 3 2 1 0 7 6 5 4
static __tb_inline__ tb_void_t tb_bits_set_double_lbe_inline(tb_byte_t* p, tb_double_t x)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& !defined(TB_FLOAT_BIGENDIAN) \
&& defined(TB_WORDS_BIGENDIAN)
*((tb_double_t*)p) = x;
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.d = x;
tb_bits_set_u32_be(p, conv.i[0]);
tb_bits_set_u32_be(p + 4, conv.i[1]);
#endif
}
// litte double endian & litte words endian
// 0 1 2 3 4 5 6 7
static __tb_inline__ tb_void_t tb_bits_set_double_lle_inline(tb_byte_t* p, tb_double_t x)
{
#if defined(TB_CONFIG_MEMORY_UNALIGNED_ACCESS_ENABLE) \
&& !defined(TB_FLOAT_BIGENDIAN) \
&& !defined(TB_WORDS_BIGENDIAN)
*((tb_double_t*)p) = x;
#else
union
{
tb_uint32_t i[2];
tb_double_t d;
} conv;
conv.d = x;
tb_bits_set_u32_le(p, conv.i[0]);
tb_bits_set_u32_le(p + 4, conv.i[1]);
#endif
}
#endif /* TB_CONFIG_TYPE_HAVE_FLOAT */
/* //////////////////////////////////////////////////////////////////////////////////////
* extern
*/
__tb_extern_c_leave__
#endif
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