42 lines
1 KiB
Python
42 lines
1 KiB
Python
#! /usr/bin/env python
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# ______________________________________________________________________
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def doslice (in_string, lower, upper):
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l = strlen(in_string)
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if lower < 0:
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lower += l
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if upper < 0:
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upper += l
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temp_len = upper - lower
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if temp_len < 0:
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temp_len = 0
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ret_val = alloca_array(li8, temp_len + 1)
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strncpy(ret_val, in_string + lower, temp_len)
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ret_val[temp_len] = li8(0)
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return ret_val
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def ipow (val, exp):
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ret_val = 1
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temp = val
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w = exp
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while w > 0:
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if (w & 1) != 0:
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ret_val *= temp
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# TODO: Overflow check on ret_val
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w >>= 1
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if w == 0: break
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temp *= temp
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# TODO: Overflow check on temp
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return ret_val
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def pymod (arg1, arg2):
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ret_val = arg1 % arg2
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if ret_val < 0:
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if arg2 > 0:
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ret_val += arg2
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elif arg2 < 0:
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ret_val += arg2
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return ret_val
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# ______________________________________________________________________
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# End of llfuncs.py
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