import math

from .math.qis import buildVector

# Fundamental Constants (SI Units)

H_JOULE_SEC = 6.62607015e-34 # Planck constant

HBAR_JOULE_SEC = H_JOULE_SEC / (2 * math.pi) # Reduced Planck constant

SPEED_OF_LIGHT = 299_792_458 # m/s

BOLTZMANN_CONSTANT = 1.380649e-23 # Joules per Kelvin (J/K)

ELEMENTARY_CHARGE = 1.602176634e-19 # Coulombs (C)

# Standard States (Qubits)

KET_0 = buildVector(1, 0)

KET_1 = buildVector(0, 1)

KET_PLUS = buildVector(1/math.sqrt(2), 1/math.sqrt(2))

BELL_PHI_PLUS = buildVector(1/math.sqrt(2), 0, 0, 1/math.sqrt(2))