巴特沃斯、切比雪夫I和椭圆滤波器设计的源程序!非常难得! 简洁的C语言编写

源代码在线查看: protos.h

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关键词: 巴特沃斯 切比雪夫 C语言 椭圆
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相关代码

				/*				 *   This file was automatically generated by version 1.7 of cextract.				 *   Manual editing not recommended.				 *				 *   Created: Sun Jan  9 15:07:08 2000				 */				#ifndef __CEXTRACT__				#if __STDC__								extern double cabs ( cmplx *z );				extern void cadd ( cmplx *a, cmplx *b, cmplx *c );				extern double cay ( double q );				extern void cdiv ( cmplx *a, cmplx *b, cmplx *c );				extern void cmov ( short *a, short *b );				extern void cmul ( cmplx *a, cmplx *b, cmplx *c );				extern void cneg ( cmplx *a );				extern void csqrt ( cmplx *z, cmplx *w );				extern void csub ( cmplx *a, cmplx *b, cmplx *c );				extern double ellie ( double phi, double m );				extern double ellik ( double phi, double m );				extern double ellpe ( double x );				extern int ellpj ( double u, double m, double *sn, double *cn, double *dn, double *ph );				extern double ellpk ( double x );				extern int getnum ( char *line, double *val );				extern int lampln ( void );				extern int main ( void );				extern void mtherr ( char *name, int code );				extern double p1evl ( double x, double coef[], int N );				extern double polevl ( double x, double coef[], int N );				extern int quadf ( double x, double y, int pzflg );				extern double response ( double f, double amp );				extern int spln ( void );				extern int xfun ( void );				extern int zplna ( void );				extern int zplnb ( void );				extern int zplnc ( void );								#else /* __STDC__ */								extern double cabs (/* cmplx *z */);				extern void cadd (/* cmplx *a, cmplx *b, cmplx *c */);				extern double cay (/* double q */);				extern void cdiv (/* cmplx *a, cmplx *b, cmplx *c */);				extern void cmov (/* short *a, short *b */);				extern void cmul (/* cmplx *a, cmplx *b, cmplx *c */);				extern void cneg (/* cmplx *a */);				extern void csqrt (/* cmplx *z, cmplx *w */);				extern void csub (/* cmplx *a, cmplx *b, cmplx *c */);				extern double ellie (/* double phi, double m */);				extern double ellik (/* double phi, double m */);				extern double ellpe (/* double x */);				extern int ellpj (/* double u, double m, double *sn, double *cn, double *dn, double *ph */);				extern double ellpk (/* double x */);				extern int getnum (/* char *line, double *val */);				extern int lampln (/* void */);				extern int main (/* void */);				extern void mtherr (/* char *name, int code */);				extern double p1evl (/* double x, double coef[], int N */);				extern double polevl (/* double x, double coef[], int N */);				extern int quadf (/* double x, double y, int pzflg */);				extern double response (/* double f, double amp */);				extern int spln (/* void */);				extern int xfun (/* void */);				extern int zplna (/* void */);				extern int zplnb (/* void */);				extern int zplnc (/* void */);								#endif /* __STDC__ */				#endif /* __CEXTRACT__ */							

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