include/core/quantum_components.h


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#pragma once

#include <stddef.h>

#include "maths/matrix.h"
#include "maths/vector.h"

struct PsiVector psi_new_state_0(void);
struct PsiVector psi_new_state_1(void);

struct PsiQuantumGate
{
	const char *name;
	struct PsiMatrix matrix;
	size_t num_qubits;
};

struct PsiQuantumGate psi_new_quantum_gate(const char *name, struct PsiMatrix matrix, size_t num_qubits);
struct PsiQuantumGate psi_new_quantum_gate_from_matrix(const char *name, struct PsiMatrix matrix);
void psi_free_quantum_gate(struct PsiQuantumGate *gate);

struct PsiQuantumBit
{
	const char *name;
	struct PsiVector state;
};

struct PsiQuantumBit psi_new_quantum_bit(const char *name, struct PsiVector state);
void psi_free_quantum_bit(struct PsiQuantumBit *bit);

struct PsiQuantumRegister
{
	const char *name;
	struct PsiVector state_vector;
	struct PsiQuantumBit *qubits;
	size_t num_qubits;
};

struct PsiQuantumRegister psi_new_quantum_register(const char *name, const char **names, size_t count);
struct PsiQuantumRegister psi_new_quantum_register_from(const char *name, const struct PsiQuantumBit *bits, size_t count);
void psi_free_quantum_register(struct PsiQuantumRegister *reg);

void psi_apply_gate(struct PsiQuantumRegister *reg, struct PsiQuantumGate gate, const size_t *targets, size_t target_count);