CMSIS DSP Software Library: arm_common_tables.c Source File Main Page Modules Data Structures Files Examples File List Globals arm_common_tables.c Go to the documentation of this file.00001 /* ---------------------------------------------------------------------- 00002 * Copyright (C) 2010 ARM Limited. All rights reserved. 00003 * 00004 * $Date: 29. November 2010 00005 * $Revision: V1.0.3 00006 * 00007 * Project: CMSIS DSP Library 00008 * Title: arm_common_tables.c 00009 * 00010 * Description: This file has common tables like Bitreverse, reciprocal etc which are used across different functions 00011 * 00012 * Target Processor: Cortex-M4/Cortex-M3 00013 * 00014 * Version 1.0.3 2010/11/29 00015 * Re-organized the CMSIS folders and updated documentation. 00016 * 00017 * Version 1.0.2 2010/11/11 00018 * Documentation updated. 00019 * 00020 * Version 1.0.1 2010/10/05 00021 * Production release and review comments incorporated. 00022 * 00023 * Version 1.0.0 2010/09/20 00024 * Production release and review comments incorporated. 00025 * -------------------------------------------------------------------- */ 00026 00027 00028 #include "arm_math.h" 00029 00062 /* 00063 * @brief Table for bit reversal process 00064 */ 00065 const uint16_t armBitRevTable[256] = { 00066 0x100, 0x80, 0x180, 0x40, 0x140, 0xc0, 0x1c0, 00067 0x20, 0x120, 0xa0, 0x1a0, 0x60, 0x160, 0xe0, 00068 0x1e0, 0x10, 0x110, 0x90, 0x190, 0x50, 0x150, 00069 0xd0, 0x1d0, 0x30, 0x130, 0xb0, 0x1b0, 0x70, 00070 0x170, 0xf0, 0x1f0, 0x8, 0x108, 0x88, 0x188, 00071 0x48, 0x148, 0xc8, 0x1c8, 0x28, 0x128, 0xa8, 00072 0x1a8, 0x68, 0x168, 0xe8, 0x1e8, 0x18, 0x118, 00073 0x98, 0x198, 0x58, 0x158, 0xd8, 0x1d8, 0x38, 00074 0x138, 0xb8, 0x1b8, 0x78, 0x178, 0xf8, 0x1f8, 00075 0x4, 0x104, 0x84, 0x184, 0x44, 0x144, 0xc4, 00076 0x1c4, 0x24, 0x124, 0xa4, 0x1a4, 0x64, 0x164, 00077 0xe4, 0x1e4, 0x14, 0x114, 0x94, 0x194, 0x54, 00078 0x154, 0xd4, 0x1d4, 0x34, 0x134, 0xb4, 0x1b4, 00079 0x74, 0x174, 0xf4, 0x1f4, 0xc, 0x10c, 0x8c, 00080 0x18c, 0x4c, 0x14c, 0xcc, 0x1cc, 0x2c, 0x12c, 00081 0xac, 0x1ac, 0x6c, 0x16c, 0xec, 0x1ec, 0x1c, 00082 0x11c, 0x9c, 0x19c, 0x5c, 0x15c, 0xdc, 0x1dc, 00083 0x3c, 0x13c, 0xbc, 0x1bc, 0x7c, 0x17c, 0xfc, 00084 0x1fc, 0x2, 0x102, 0x82, 0x182, 0x42, 0x142, 00085 0xc2, 0x1c2, 0x22, 0x122, 0xa2, 0x1a2, 0x62, 00086 0x162, 0xe2, 0x1e2, 0x12, 0x112, 0x92, 0x192, 00087 0x52, 0x152, 0xd2, 0x1d2, 0x32, 0x132, 0xb2, 00088 0x1b2, 0x72, 0x172, 0xf2, 0x1f2, 0xa, 0x10a, 00089 0x8a, 0x18a, 0x4a, 0x14a, 0xca, 0x1ca, 0x2a, 00090 0x12a, 0xaa, 0x1aa, 0x6a, 0x16a, 0xea, 0x1ea, 00091 0x1a, 0x11a, 0x9a, 0x19a, 0x5a, 0x15a, 0xda, 00092 0x1da, 0x3a, 0x13a, 0xba, 0x1ba, 0x7a, 0x17a, 00093 0xfa, 0x1fa, 0x6, 0x106, 0x86, 0x186, 0x46, 00094 0x146, 0xc6, 0x1c6, 0x26, 0x126, 0xa6, 0x1a6, 00095 0x66, 0x166, 0xe6, 0x1e6, 0x16, 0x116, 0x96, 00096 0x196, 0x56, 0x156, 0xd6, 0x1d6, 0x36, 0x136, 00097 0xb6, 0x1b6, 0x76, 0x176, 0xf6, 0x1f6, 0xe, 00098 0x10e, 0x8e, 0x18e, 0x4e, 0x14e, 0xce, 0x1ce, 00099 0x2e, 0x12e, 0xae, 0x1ae, 0x6e, 0x16e, 0xee, 00100 0x1ee, 0x1e, 0x11e, 0x9e, 0x19e, 0x5e, 0x15e, 00101 0xde, 0x1de, 0x3e, 0x13e, 0xbe, 0x1be, 0x7e, 00102 0x17e, 0xfe, 0x1fe, 0x1 00103 }; 00104 00109 /* 00110 * @brief Q15 table for reciprocal 00111 */ 00112 const q15_t armRecipTableQ15[64] = { 00113 0x7F03, 0x7D13, 0x7B31, 0x795E, 0x7798, 0x75E0, 00114 0x7434, 0x7294, 0x70FF, 0x6F76, 0x6DF6, 0x6C82, 00115 0x6B16, 0x69B5, 0x685C, 0x670C, 0x65C4, 0x6484, 00116 0x634C, 0x621C, 0x60F3, 0x5FD0, 0x5EB5, 0x5DA0, 00117 0x5C91, 0x5B88, 0x5A85, 0x5988, 0x5890, 0x579E, 00118 0x56B0, 0x55C8, 0x54E4, 0x5405, 0x532B, 0x5255, 00119 0x5183, 0x50B6, 0x4FEC, 0x4F26, 0x4E64, 0x4DA6, 00120 0x4CEC, 0x4C34, 0x4B81, 0x4AD0, 0x4A23, 0x4978, 00121 0x48D1, 0x482D, 0x478C, 0x46ED, 0x4651, 0x45B8, 00122 0x4521, 0x448D, 0x43FC, 0x436C, 0x42DF, 0x4255, 00123 0x41CC, 0x4146, 0x40C2, 0x4040 00124 }; 00125 00126 /* 00127 * @brief Q31 table for reciprocal 00128 */ 00129 const q31_t armRecipTableQ31[64] = { 00130 0x7F03F03F, 0x7D137420, 0x7B31E739, 0x795E9F94, 0x7798FD29, 0x75E06928, 00131 0x7434554D, 0x72943B4B, 0x70FF9C40, 0x6F760031, 0x6DF6F593, 0x6C8210E3, 00132 0x6B16EC3A, 0x69B526F6, 0x685C655F, 0x670C505D, 0x65C4952D, 0x6484E519, 00133 0x634CF53E, 0x621C7E4F, 0x60F33C61, 0x5FD0EEB3, 0x5EB55785, 0x5DA03BEB, 00134 0x5C9163A1, 0x5B8898E6, 0x5A85A85A, 0x598860DF, 0x58909373, 0x579E1318, 00135 0x56B0B4B8, 0x55C84F0B, 0x54E4BA80, 0x5405D124, 0x532B6E8F, 0x52556FD0, 00136 0x5183B35A, 0x50B618F3, 0x4FEC81A2, 0x4F26CFA2, 0x4E64E64E, 0x4DA6AA1D, 00137 0x4CEC008B, 0x4C34D010, 0x4B810016, 0x4AD078EF, 0x4A2323C4, 0x4978EA96, 00138 0x48D1B827, 0x482D77FE, 0x478C1657, 0x46ED801D, 0x4651A2E5, 0x45B86CE2, 00139 0x4521CCE1, 0x448DB244, 0x43FC0CFA, 0x436CCD78, 0x42DFE4B4, 0x42554426, 00140 0x41CCDDB6, 0x4146A3C6, 0x40C28923, 0x40408102 00141 };  All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Defines Generated on Mon Nov 29 2010 17:19:56 for CMSIS DSP Software Library by  1.7.2