calc.h

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#ifndef CALC_H
#define CALC_H
 
#include <math.h>
 
typedef double (*calc_function_fn)(double);
 
typedef struct calc_function {
  char name[16];               
  calc_function_fn activation; 
  calc_function_fn
      derivative; 
} calc_function;
 
double calc_function_negation(double x);
 
double calc_function_negation_derivative(double x);
 
extern const calc_function CALC_FUNCTION_NEGATION;
 
double calc_function_square(double x);
 
double calc_function_square_derivative(double x);
 
extern const calc_function CALC_FUNCTION_SQUARE;
 
double calc_function_relu(double x);
 
double calc_function_relu_derivative(double x);
 
extern const calc_function CALC_FUNCTION_RELU;
 
double calc_function_tanh(double x);
 
double calc_function_tanh_derivative(double x);
 
extern const calc_function CALC_FUNCTION_TANH;
 
double calc_function_sigmoid(double x);
 
double calc_function_sigmoid_derivative(double x);
 
extern const calc_function CALC_FUNCTION_SIGMOID;
 
double calc_approx_derivative(double (*f)(double), double x, double h);
 
double calc_approx_finite_integral(double (*f)(double), double a, double b,
                                   int n);
 
#endif