BinaryCrossEntropy.hpp

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#pragma once
#include "types.hpp"
#include <cmath>
 
namespace mlask{
 
struct BinaryCrossEntropy{
    float_t operator()(float_t result, float_t expected)const{
        return -1*(result*log(expected) + (1-result)*log(1-expected));
    }
};
 
struct DerivedBinaryCrossEntropy{
    float_t operator()(float_t result, float_t expected)const{
        return (expected - result) / expected*(1 - expected);
    }
};
}