micropython/tests/float/float2int_doubleprec.py
Damien George ad2307c92c py: Temporary fix for conversion of float to int when fits in small int.
Addresses issue #1044 (see also #1040).  Could do with a better fix.
2015-01-07 12:10:47 +00:00

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Python

# check cases converting float to int, requiring double precision float
# This case occurs with time.time() values
print(int(1418774543.))
print("%d" % 1418774543.)
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'))