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📄 values.h

📁 DSP部分功能测试 串口
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/****************************************************************************/

/*   values.h v7.01                                      		    */

/*   Copyright (c) 1991-1996 Texas Instruments Incorporated                 */

/****************************************************************************/

#define BITS	  23                 /* There are 23 bits in the mantissa   */

#define MAXX	  88.72283906        /* ln(HUGE_VAL)                        */

#define MAXH	  89.41598624	     /* ln(HUGE_VAL) + ln(2)                */

#define TWO23	  8388608	     /* 2 ^ BITS                            */

#define XBIG	  8.664339757	     /* (BITS/2 + 1) * ln(2)                */



/****************************************************************************/

/*  The following macros define constants used throughout the functions.    */

/****************************************************************************/



/* macros used in asin and acos */



#define SQRTWO	  1.4142135623730950

#define ASP1	  0.933935835

#define ASP2	 -0.504400557

#define ASQ0	  0.560363004e1

#define ASQ1	 -0.554846723e1



/* macros used in atan and atan2 */



#define TWO_SQRT3 0.26794919243112270647

#define SQRTTHREE 1.73205080756887729353

#define PI	  3.14159265358979323846

#define ATP0	 -0.4708325141

#define ATP1	 -0.5090958253e-1

#define ATQ0	  0.1412500740e1



/* macros used in sin and cos */



#define INVSPI	  0.31830988618379067154

#define HALFPI	  1.57079632679489661923

#define C1	  3.140625

#define C2	  9.67653589793e-4

#define R1	 -0.1666665668e+0

#define R2	  0.8333025139e-2

#define R3	 -0.1980741872e-3

#define R4	  0.2601903036e-5



/* macros used in exp, cosh, and sinh */



#define LOGe2	  0.6931471805599453094172321

#define LOG102    0.301029995663981198017

#define INVLOGe2  1.4426950408889634074

#define EXP0	  0.24999999950

#define EXP1	  0.41602886268e-2

#define EXQ0	  0.5

#define EXQ1	  0.49987178778e-1

#define SHP0	 -0.713793159e1

#define SHP1	 -0.190333399

#define SHQ0	 -0.428277109e2



/* macros used in log10 and log */



#define SQRTHALF  0.70710678118654752440

#define LOG10e	  0.4342944819032518

#define C3	  0.693359375

#define C4	 -2.121944400546905827679e-4

#define A0	 -0.5527074855

#define B0	 -0.6632718214e1



/* macros used in pow */



#define L1	  2.885390072738

#define L3	  0.961800762286

#define L5	  0.576584342056

#define L7	  0.434259751292

#define T6	  0.0002082045327

#define T5	  0.001266912225

#define T4	  0.009656843287

#define T3	  0.05549288453

#define T2	  0.2402279975

#define T1	  0.6931471019



/* macros used in tan */



#define TWOINVPI  0.63661977236758134308

#define C5	  1.5703125

#define C6	  4.83826794897e-4

#define TAP1	 -0.958017723e-1

#define TAQ1	 -0.429135777e+0

#define TAQ2	  0.971685835e-2



/* macros used in tanh */



#define LOGe3by2  0.54930614433405484570

#define THP0	 -0.8237728127

#define THP1	 -0.3831010665e-2

#define THQ0	  0.2471319654e1

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