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bdf7de1703
In some cases, Z3_algebraic_get_i() returned 0. For example, in the following
Python snippet, the last assert would fail:
import z3
x = z3.Real('x')
s = z3.Solver()
s.add( (x * x) - 2 == 0, x <= 0)
s.check()
val_x = s.model().get_interp(x)
assert val_x.index() == 1
The problem was that `algebraic_numbers::manager:👿:get_i()` did not
check whether the root index was properly initialized.
This commit fixes this issue by checking whether root index is initialized
the same way various other routines do.
Fixes issue #5807.
Signed-off-by: Jan Vrany <jan.vrany@labware.com>
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| .. | ||
| automata | ||
| dd | ||
| grobner | ||
| hilbert | ||
| interval | ||
| lp | ||
| polynomial | ||
| realclosure | ||
| simplex | ||
| subpaving | ||