circuitpython/tests/float/float_format_ints_power10.py
Damien George 3695211576 tests/float/float_format_ints.py: Put power-of-10 test in separate file.
This test doesn't pass on builds with 30-bit floats (object repr C).

Signed-off-by: Damien George <damien@micropython.org>
2023-09-29 12:00:15 +10:00

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Python

# Test that integers format to exact values.
# This test requires at least 32-bit floats (won't work with 30-bit).
# Check that powers of 10 (that fit in float32) format correctly.
for i in range(31):
# It works to 12 digits on all platforms *except* qemu-arm, where
# 10^11 comes out as 10000000820 or something.
print(i, "{:.7g}".format(float("1e" + str(i))))