#pragma lib "libann.a"#pragma src "/sys/src/libann" typedef struct Ann Ann;typedef struct Layer Layer;typedef struct Neuron Neuron;typedef struct Weights Weights; struct Ann {	int n;	double rate;	Layer **layers;	Weights **weights;	Weights **deltas;	void *user;	void *internal;}; struct Layer {	int n;	Neuron **neurons;}; struct Neuron {	double (*activation)(Neuron*);	double (*gradient)(Neuron*);	double steepness;	double value;	double sum;	void *user;	void *internal;}; struct Weights {	int inputs;	int outputs;	double **values;}; double activation_sigmoid(Neuron*);double gradient_sigmoid(Neuron*);double activation_tanh(Neuron*);double gradient_tanh(Neuron*);double activation_leaky_relu(Neuron*);double gradient_leaky_relu(Neuron*); Ann *anncreate(int, ...);Layer *layercreate(int, double(*)(Neuron*), double(*)(Neuron*));Neuron *neuroninit(Neuron*, double (*)(Neuron*), double (*)(Neuron*), double);Neuron *neuroncreate(double (*)(Neuron*), double (*)(Neuron*), double);Weights *weightsinitrand(Weights*);Weights *weightsinitrandscale(Weights*, double);Weights *weightsinitdouble(Weights*, double);Weights *weightsinitdoubles(Weights*, double*);Weights *weightscreate(int, int, int);double *annrun(Ann*, double*);double anntrain(Ann*, double*, double*); typedef struct Adam Adam; struct Adam {	double rate;	double beta1;	double beta2;	Weights **first;	Weights **second;	double epsilon;	int timestep;}; double anntrain_adam(Ann*, double*, double*);double anntrain_adamax(Ann*, double*, double*);