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# Test behaviour of inf and nan in basic float operations

inf = float("inf")

nan = float("nan")

values = (-2, -1, 0, 1, 2, inf, -inf, nan)

for x in values:

for y in values:

print(x, y)

print(" + - *", x + y, x - y, x * y)

try:

print(" /", x / y)

except ZeroDivisionError:

print(" / ZeroDivisionError")

try:

print(" ** pow", x**y, pow(x, y))

except ZeroDivisionError:

print(" ** pow ZeroDivisionError")

print(" == != < <= > >=", x == y, x != y, x < y, x <= y, x > y, x >= y)