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fix overflow bugs in doc

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-22 22:03:59 -07:00
parent b57353eff2
commit 54506408f9
10 changed files with 164 additions and 101 deletions
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14
src/muz/rel/tbv.h
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@ -73,6 +73,11 @@ public:
std::ostream& display(std::ostream& out, tbv const& b) const;
tbv* project(unsigned n, bool const* to_delete, tbv const& src);
bool is_well_formed(tbv const& b) const; // - does not contain BIT_z;
void set(tbv& dst, uint64 n, unsigned hi, unsigned lo);
void set(tbv& dst, rational const& r, unsigned hi, unsigned lo);
void set(tbv& dst, tbv const& other, unsigned hi, unsigned lo);
void set(tbv& dst, unsigned index, tbit value);
static void debug_alloc();
};
@ -99,20 +104,13 @@ public:
}
};
void set(uint64 n, unsigned hi, unsigned lo);
void set(rational const& r, unsigned hi, unsigned lo);
void set(tbv const& other, unsigned hi, unsigned lo);
tbit operator[](unsigned idx) const { return (tbit)get(idx); }
void set(unsigned index, tbit value) {
SASSERT(value <= 3);
fixed_bit_vector::set(2*index, (value & 2) != 0);
fixed_bit_vector::set(2*index+1, (value & 1) != 0);
}
private:
unsigned get(unsigned index) const {
index *= 2;
return (fixed_bit_vector::get(index) << 1) | (unsigned)fixed_bit_vector::get(index+1);