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fix assorted undefined behaviors caught by clang

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Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
This commit is contained in:
Nuno Lopes 2015-05-23 11:45:12 +01:00
parent 25a29bf5b0
commit c577ab361b
9 changed files with 81 additions and 21 deletions
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10
src/util/inf_rational.h
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@ -33,6 +33,8 @@ class inf_rational {
rational m_first;
rational m_second;
public:
static void init(); // called from rational::initialize() only
static void finalize(); // called from rational::finalize() only
unsigned hash() const {
return m_first.hash() ^ (m_second.hash()+1);
@ -40,7 +42,7 @@ class inf_rational {
struct hash_proc { unsigned operator()(inf_rational const& r) const { return r.hash(); } };
struct eq_proc { bool operator()(inf_rational const& r1, inf_rational const& r2) const { return r1 == r2; } };
struct eq_proc { bool operator()(inf_rational const& r1, inf_rational const& r2) const { return r1 == r2; } };
void swap(inf_rational & n) {
m_first.swap(n.m_first);
@ -82,7 +84,7 @@ class inf_rational {
explicit inf_rational(rational const& r, bool pos_inf):
m_first(r),
m_second(pos_inf?rational(1):rational(-1))
m_second(pos_inf ? rational::one() : rational::minus_one())
{}
inf_rational(rational const& r):
@ -313,7 +315,7 @@ class inf_rational {
if (r.m_second.is_nonneg()) {
return r.m_first;
}
return r.m_first - rational(1);
return r.m_first - rational::one();
}
return floor(r.m_first);
@ -324,7 +326,7 @@ class inf_rational {
if (r.m_second.is_nonpos()) {
return r.m_first;
}
return r.m_first + rational(1);
return r.m_first + rational::one();
}
return ceil(r.m_first);