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rp precise

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This commit is contained in:
Lev Nachmanson 2023-03-07 08:20:32 -08:00
parent 569f5be91f
commit 9ec82632a3
15 changed files with 48 additions and 350 deletions
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8
src/math/lp/numeric_pair.h
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@ -45,7 +45,6 @@ template <typename T> class numeric_traits {};
template <> class numeric_traits<unsigned> {
public:
static bool precise() { return true; }
static unsigned zero() { return 0; }
static unsigned one() { return 1; }
static bool is_zero(unsigned v) { return v == 0; }
@ -56,7 +55,6 @@ public:
template <> class numeric_traits<int> {
public:
static bool precise() { return true; }
static int zero() { return 0; }
static int one() { return 1; }
static bool is_zero(int v) { return v == 0; }
@ -71,7 +69,6 @@ public:
template <> class numeric_traits<double> {
public:
static bool precise() { return false; }
static double g_zero;
static double const &zero() { return g_zero; }
static double g_one;
@ -88,7 +85,6 @@ public:
template<>
class numeric_traits<rational> {
public:
static bool precise() { return true; }
static rational const & zero() { return rational::zero(); }
static rational const & one() { return rational::one(); }
static bool is_zero(const rational & v) { return v.is_zero(); }
@ -251,8 +247,6 @@ struct numeric_pair {
return numeric_pair(-x, -y);
}
static bool precize() { return lp::numeric_traits<T>::precize();}
bool is_zero() const { return x.is_zero() && y.is_zero(); }
bool is_pos() const { return x.is_pos() || (x.is_zero() && y.is_pos());}
@ -294,12 +288,10 @@ numeric_pair<T> operator/(const numeric_pair<T> & r, const X & a) {
return numeric_pair<T>(r.x / a, r.y / a);
}
// template <numeric_pair, typename T> bool precise() { return numeric_traits<T>::precise();}
template <typename T> double get_double(const lp::numeric_pair<T> & ) { /* lp_unreachable(); */ return 0;}
template <typename T>
class numeric_traits<lp::numeric_pair<T>> {
public:
static bool precise() { return numeric_traits<T>::precise();}
static lp::numeric_pair<T> zero() { return lp::numeric_pair<T>(numeric_traits<T>::zero(), numeric_traits<T>::zero()); }
static bool is_zero(const lp::numeric_pair<T> & v) { return numeric_traits<T>::is_zero(v.x) && numeric_traits<T>::is_zero(v.y); }
static double get_double(const lp::numeric_pair<T> & v){ return numeric_traits<T>::get_double(v.x); } // just return the double of the first coordinate