drivers/staging/brcm80211/include/qmath.h

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef __QMATH_H__
  18 #define __QMATH_H__
  19
  20 #include <typedefs.h>
  21
  22 s16 qm_sat32(int32 op);
  23
  24 int32 qm_mul321616(s16 op1, s16 op2);
  25
  26 s16 qm_mul16(s16 op1, s16 op2);
  27
  28 int32 qm_muls321616(s16 op1, s16 op2);
  29
  30 u16 qm_mulu16(u16 op1, u16 op2);
  31
  32 s16 qm_muls16(s16 op1, s16 op2);
  33
  34 int32 qm_add32(int32 op1, int32 op2);
  35
  36 s16 qm_add16(s16 op1, s16 op2);
  37
  38 s16 qm_sub16(s16 op1, s16 op2);
  39
  40 int32 qm_sub32(int32 op1, int32 op2);
  41
  42 int32 qm_mac321616(int32 acc, s16 op1, s16 op2);
  43
  44 int32 qm_shl32(int32 op, int shift);
  45
  46 int32 qm_shr32(int32 op, int shift);
  47
  48 s16 qm_shl16(s16 op, int shift);
  49
  50 s16 qm_shr16(s16 op, int shift);
  51
  52 s16 qm_norm16(s16 op);
  53
  54 s16 qm_norm32(int32 op);
  55
  56 s16 qm_div_s(s16 num, s16 denom);
  57
  58 s16 qm_abs16(s16 op);
  59
  60 s16 qm_div16(s16 num, s16 denom, s16 *qQuotient);
  61
  62 int32 qm_abs32(int32 op);
  63
  64 s16 qm_div163232(int32 num, int32 denom, s16 *qquotient);
  65
  66 int32 qm_mul323216(int32 op1, s16 op2);
  67
  68 int32 qm_mulsu321616(s16 op1, u16 op2);
  69
  70 int32 qm_muls323216(int32 op1, s16 op2);
  71
  72 int32 qm_mul32(int32 a, int32 b);
  73
  74 int32 qm_muls32(int32 a, int32 b);
  75
  76 void qm_log10(int32 N, s16 qN, s16 *log10N, s16 *qLog10N);
  77
  78 void qm_1byN(int32 N, s16 qN, int32 *result, s16 *qResult);
  79
  80 #endif                          /* #ifndef __QMATH_H__ */