kopia lustrzana https://github.com/micropython/micropython
114 wiersze
2.8 KiB
Python
114 wiersze
2.8 KiB
Python
# to test arbitrary precision integers
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x = 1000000000000000000000000000000
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xn = -1000000000000000000000000000000
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y = 2000000000000000000000000000000
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# printing
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print(x)
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print(y)
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print('%#X' % (x - x)) # print prefix
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print('{:#,}'.format(x)) # print with commas
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# construction
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print(int(x))
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# addition
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print(x + 1)
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print(x + y)
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print(x + xn == 0)
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print(bool(x + xn))
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# subtraction
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print(x - 1)
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print(x - y)
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print(y - x)
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print(x - x == 0)
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print(bool(x - x))
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# multiplication
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print(x * 2)
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print(x * y)
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# integer division
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print(x // 2)
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print(y // x)
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# bit inversion
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print(~x)
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print(~(-x))
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# left shift
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x = 0x10000000000000000000000
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for i in range(32):
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x = x << 1
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print(x)
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# right shift
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x = 0x10000000000000000000000
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for i in range(32):
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x = x >> 1
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print(x)
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# left shift of a negative number
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for i in range(8):
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print(-10000000000000000000000000 << i)
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print(-10000000000000000000000001 << i)
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print(-10000000000000000000000002 << i)
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print(-10000000000000000000000003 << i)
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print(-10000000000000000000000004 << i)
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# right shift of a negative number
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for i in range(8):
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print(-10000000000000000000000000 >> i)
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print(-10000000000000000000000001 >> i)
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print(-10000000000000000000000002 >> i)
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print(-10000000000000000000000003 >> i)
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print(-10000000000000000000000004 >> i)
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# conversion from string
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print(int("123456789012345678901234567890"))
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print(int("-123456789012345678901234567890"))
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print(int("123456789012345678901234567890abcdef", 16))
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print(int("123456789012345678901234567890ABCDEF", 16))
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print(int("1234567890abcdefghijklmnopqrstuvwxyz", 36))
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# invalid characters in string
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try:
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print(int("123456789012345678901234567890abcdef"))
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except ValueError:
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print('ValueError');
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try:
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print(int("123456789012345678901234567890\x01"))
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except ValueError:
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print('ValueError');
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# test constant integer with more than 255 chars
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x = 0x84ce72aa8699df436059f052ac51b6398d2511e49631bcb7e71f89c499b9ee425dfbc13a5f6d408471b054f2655617cbbaf7937b7c80cd8865cf02c8487d30d2b0fbd8b2c4e102e16d828374bbc47b93852f212d5043c3ea720f086178ff798cc4f63f787b9c2e419efa033e7644ea7936f54462dc21a6c4580725f7f0e7d1aaaaaaa
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print(x)
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# test parsing ints just on threshold of small to big
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# for 32 bit archs
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x = 1073741823 # small
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x = -1073741823 # small
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x = 1073741824 # big
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x = -1073741824 # big
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# for nan-boxing with 47-bit small ints
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print(int('0x3fffffffffff', 16)) # small
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print(int('-0x3fffffffffff', 16)) # small
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print(int('0x400000000000', 16)) # big
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print(int('-0x400000000000', 16)) # big
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# for 64 bit archs
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x = 4611686018427387903 # small
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x = -4611686018427387903 # small
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x = 4611686018427387904 # big
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x = -4611686018427387904 # big
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# sys.maxsize is a constant mpz, so test it's compatible with dynamic ones
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import sys
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print(sys.maxsize + 1 - 1 == sys.maxsize)
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# test extraction of big int value via mp_obj_get_int_maybe
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x = 1 << 70
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print('a' * (x + 4 - x))
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