# Decimal exact type (base-10, suffix d/D)
# Arithmetic exacte : 0.1d + 0.2d == 0.3d

# Litteraux
prix = 99.99d
taxe = 0.08d
total = prix + prix * taxe
print(total)

# Le test canonique IEEE 754
print(0.1 + 0.2 == 0.3)       # False (float)
print(0.1d + 0.2d == 0.3d)    # True  (decimal)

# Promotion entier → Decimal
print(2 + 0.5d)               # 2.5d

# Builtin Decimal()
pi = Decimal("3.14159265358979323846")
print(pi)

# Comparaisons
print(1.0d == 1d)             # True (meme valeur, scale differente)
print(42d > 41)               # True (int promu)