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| author | David Steinberg <david.steinberg.dev@gmail.com> | 2015-01-02 12:39:22 +0000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2015-01-02 22:31:41 +0000 |
| commit | 6e0b6d02dbe238e6e3d675b51e44b2ac798ddd20 (patch) | |
| tree | e9d05c0e7b27da54ee3af4fd27ebd7e227c3bf08 /tests/float/float2int.py | |
| parent | ffc96a901a13f6f114368ad50a1d7189c0826822 (diff) | |
| download | micropython-6e0b6d02dbe238e6e3d675b51e44b2ac798ddd20.tar.gz micropython-6e0b6d02dbe238e6e3d675b51e44b2ac798ddd20.zip | |
py: Fix float to int conversion for large exponents.
Diffstat (limited to 'tests/float/float2int.py')
| -rw-r--r-- | tests/float/float2int.py | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/tests/float/float2int.py b/tests/float/float2int.py index ca2914c01a..b948755de5 100644 --- a/tests/float/float2int.py +++ b/tests/float/float2int.py @@ -1,10 +1,24 @@ # This case occurs with time.time() values print(int(1418774543.)) -# TODO: General case with large exponent -#print(int(2.**100)) +print(int(2.**100)) print("%d" % 1418774543.) -# TODO: General case with large exponent -#print("%d" % 2.**100) +print("%d" % 2.**100) + +testpass = True +for i in range(0,1024): + bitcnt = len(bin(int(2.**i))) - 3; + if i != bitcnt: + print('fail: 2**%u was %u bits long' % (i, bitcnt)); + testpass = False +print("power of 2 test: %s" % (testpass and 'passed' or 'failed')) + +testpass = True +for i in range(0,23): + digcnt = len(str(int(10.**i))) - 1; + if i != digcnt: + print('fail: 10**%u was %u digits long' % (i, digcnt)); + testpass = False +print("power of 10 test: %s" % (testpass and 'passed' or 'failed')) |