circuitpython/tests/float/inf_nan_arith.py

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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, 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)