#include #include #include "dspl.h" #define ORD 7 int main() { void* handle; /* DSPL handle */ handle = dspl_load(); /* Load DSPL functions */ complex_t z[ORD], p[ORD]; int nz, np, k; double Rs = 40.0; int res = cheby2_ap_zp(ORD, Rs, z, &nz, p, &np); if(res != RES_OK) printf("error code = 0x%8x\n", res); printf("\nChebyshev type 2 zeros:\n"); for(k = 0; k < nz; k++) printf("z[%2d] = %9.3f %9.3f j\n", k, RE(z[k]), IM(z[k])); printf("\nChebyshev type 2 poles:\n"); for(k = 0; k < np; k++) printf("p[%2d] = %9.3f %9.3f j\n", k, RE(p[k]), IM(p[k])); dspl_free(handle); /* free dspl handle */ return 0; }