qmath.h
来自「dsp.rar」· C头文件 代码 · 共 30 行
H
30 行
/* =================================================================================
File Name: imath.h
Originator: Digital Control Systems Group
Texas Instruments
Description:
Header file containing function prototypes for the Fixed Point Mathematical Functions
===================================================================================*/
#ifndef __IMATH_H__
#define __IMATH_H__
signed short int qsin(signed short int x);
signed short int qcos(signed short int x);
signed short int qatan(signed long int x);
unsigned short int qsqrt(unsigned long int x);
signed short int qlog10(unsigned long int x);
signed short int qlogn(unsigned long int x);
signed long int qinv1(signed short int x);
signed short int qinv2(signed short int x);
signed short int qsinlt(signed short int x);
signed short int qcoslt(signed short int x);
#endif
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