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Add div and inv for binary rational intervals

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-01-04 12:31:28 -08:00
parent 0203fa56d2
commit ff62948d90
3 changed files with 92 additions and 19 deletions
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38
src/math/realclosure/realclosure.h
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@ -245,6 +245,9 @@ namespace realclosure {
This procedure throws an exception if the \c a is not a real.
*/
void display_decimal(std::ostream & out, numeral const & a, unsigned precision = 10) const;
void display_interval(std::ostream & out, numeral const & a) const;
};
class value;
@ -330,30 +333,49 @@ inline bool is_int(scoped_rcnumeral const & a) {
return a.m().is_int(a);
}
struct sym_pp {
struct rc_sym_pp {
rcmanager & m;
rcnumeral const & n;
sym_pp(rcmanager & _m, rcnumeral const & _n):m(_m), n(_n) {}
sym_pp(scoped_rcnumeral const & _n):m(_n.m()), n(_n.get()) {}
rc_sym_pp(rcmanager & _m, rcnumeral const & _n):m(_m), n(_n) {}
rc_sym_pp(scoped_rcnumeral const & _n):m(_n.m()), n(_n.get()) {}
};
inline std::ostream & operator<<(std::ostream & out, sym_pp const & n) {
inline rc_sym_pp sym_pp(scoped_rcnumeral const & _n) {
return rc_sym_pp(_n);
}
inline std::ostream & operator<<(std::ostream & out, rc_sym_pp const & n) {
n.m.display(out, n.n);
return out;
}
struct decimal_pp {
struct rc_decimal_pp {
rcmanager & m;
rcnumeral const & n;
unsigned prec;
decimal_pp(rcmanager & _m, rcnumeral const & _n, unsigned p):m(_m), n(_n), prec(p) {}
decimal_pp(scoped_rcnumeral const & _n, unsigned p):m(_n.m()), n(_n.get()), prec(p) {}
rc_decimal_pp(rcmanager & _m, rcnumeral const & _n, unsigned p):m(_m), n(_n), prec(p) {}
rc_decimal_pp(scoped_rcnumeral const & _n, unsigned p):m(_n.m()), n(_n.get()), prec(p) {}
};
inline std::ostream & operator<<(std::ostream & out, decimal_pp const & n) {
inline std::ostream & operator<<(std::ostream & out, rc_decimal_pp const & n) {
n.m.display_decimal(out, n.n, n.prec);
return out;
}
struct rc_interval_pp {
rcmanager & m;
rcnumeral const & n;
rc_interval_pp(rcmanager & _m, rcnumeral const & _n):m(_m), n(_n) {}
rc_interval_pp(scoped_rcnumeral const & _n):m(_n.m()), n(_n.get()) {}
};
inline std::ostream & operator<<(std::ostream & out, rc_interval_pp const & n) {
n.m.display_interval(out, n.n);
return out;
}
inline rc_interval_pp interval_pp(rc_interval_pp const & n) {
return rc_interval_pp(n);
}
#endif