?? math.h
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/* *----------------------------------------------------------------------------- * Copyright (c) KEIL ELEKTRONIK GmbH and Franklin Software, Inc., 1987-1992 *----------------------------------------------------------------------------- *//* MATH.H: prototypes for mathematic functions, V3.20 */#pragma SAVE#pragma REGPARMSextern char cabs (char val);extern int abs (int val);extern long labs (long val);extern float fabs (float val);extern float sqrt (float val);extern float exp (float val);extern float log (float val);extern float log10 (float val);extern float sin (float val);extern float cos (float val);extern float tan (float val);extern float asin (float val);extern float acos (float val);extern float atan (float val);extern float sinh (float val);extern float cosh (float val);extern float tanh (float val);extern float atan2 (float y, float x);struct FPBUF { unsigned char save[16];};extern void fpsave (struct FPBUF *);extern void fprestore (struct FPBUF *);extern float ceil (float val);extern float floor (float val);extern float modf (float val, float *n);extern float pow (float x, float y);#pragma RESTORE?? 快捷鍵說明
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