Файл logisticDF.h #ifndef __LOGISTIC_H__ /* To prevent redefinition */ #define ENTRY extern #define LOCAL static ENTRY double logisticDF(double x, double a, double b); ENTRY double inv_logisticDF(double q, double a, double b); #define __LOGISTIC_H__ /* Prevents redefinition */ #endif /* Ends #ifndef__LOGISTIC_H__ */ Файл logisticDF.cpp #include <assert.h> #include <math.h> double logisticDF(double x, double a, double b) { assert(b > 0); return 1./(1+exp((a-x)/b)); } double inv_logisticDF(double q, double a, double b) { assert(b > 0 && q > 0 && q < 1.); return a-b*log(1./q-1); } #ifdef TEST #include <iostream.h> void main(void) { double a, b; while (1) { cout << "\n\n\rEnter a: "; cin >> a; if (a <= 0) break; cout << "Enter b: "; cin >> b; for(double x=-8; x < 8; x += 0.32) { double y=logisticDF(x, a, b); double z=inv_logisticDF(y, a, b); cout << "x=" << x << "\tl=" << y << "\ti=" << z << endl; } } } #endif <<<  Назад  1  2   8  Комментарии к статье  8 8  Обсудить в чате