#include #include #include #include #include "../header/wavelib.h" int main() { int i, J, N, len; int X, Y; wave_object obj; wtree_object wt; double *inp, *oup; char *name = "db3"; obj = wave_init(name);// Initialize the wavelet N = 147; inp = (double*)malloc(sizeof(double)* N); for (i = 1; i < N + 1; ++i) { inp[i - 1] = -0.25*i*i*i + 25 * i *i + 10 * i; } J = 3; wt = wtree_init(obj, N, J);// Initialize the wavelet transform object setWTREEExtension(wt, "sym");// Options are "per" and "sym". Symmetric is the default option wtree(wt, inp); wtree_summary(wt); X = 3; Y = 5; len = getWTREENodelength(wt, X); printf("\n %d", len); printf("\n"); oup = (double*)malloc(sizeof(double)* len); printf("Node [%d %d] Coefficients : \n",X,Y); getWTREECoeffs(wt, X, Y, oup, len); for (i = 0; i < len; ++i) { printf("%g ", oup[i]); } printf("\n"); free(inp); free(oup); wave_free(obj); wtree_free(wt); return 0; }