mathlib.h

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#ifndef MATHLIB_H
#define MATHLIB_H
 
namespace mathlib {
 
enum MathError {
    OK,
    DIVISION_BY_ZERO,
    NEGATIVE_FACTORIAL,
    INVALID_ROOT,
    INVALID_ARGUMENT,
};
 
// Basic operations
 
double add(double a, double b);
 
double subtract(double a, double b);
 
double multiply(double a, double b);
 
double divide(double a, double b, MathError &err);
 
// Advanced operations
 
double factorial(int a, MathError &err);
 
double power(double base, int exp);
 
double root(double base, int n, MathError &err);
 
double modulo(double a, double b, MathError &err);
 
} // namespace mathlib
 
#endif