(prec, maxexp, itr=None)
| 149 | |
| 150 | # Close to 10**n |
| 151 | def un_close_to_pow10(prec, maxexp, itr=None): |
| 152 | if itr is None: |
| 153 | lst = range(prec+30) |
| 154 | else: |
| 155 | lst = sample(range(prec+30), itr) |
| 156 | nines = [10**n - 1 for n in lst] |
| 157 | pow10 = [10**n for n in lst] |
| 158 | for coeff in nines: |
| 159 | yield coeff |
| 160 | yield -coeff |
| 161 | yield from_triple(1, coeff, randrange(2*maxexp)) |
| 162 | yield from_triple(-1, coeff, randrange(2*maxexp)) |
| 163 | for coeff in pow10: |
| 164 | yield coeff |
| 165 | yield -coeff |
| 166 | |
| 167 | # Close to 10**n |
| 168 | def bin_close_to_pow10(prec, maxexp, itr=None): |
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