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bugfix in refactoring

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This commit is contained in:
Mikolas Janota 2016-02-03 11:52:11 +00:00
parent 0f0d3e55dc
commit 6f12c0e6f9
2 changed files with 2 additions and 2 deletions
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1
src/tactic/ackr/ackr_helper.cpp
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@ -16,7 +16,6 @@
--*/ --*/
#include"ackr_helper.h" #include"ackr_helper.h"
double ackr_helper::calculate_lemma_bound(ackr_helper::fun2terms_map& occurrences) { double ackr_helper::calculate_lemma_bound(ackr_helper::fun2terms_map& occurrences) {
fun2terms_map::iterator it = occurrences.begin(); fun2terms_map::iterator it = occurrences.begin();
const fun2terms_map::iterator end = occurrences.end(); const fun2terms_map::iterator end = occurrences.end();

3
src/tactic/ackr/ackr_helper.h
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@ -58,9 +58,10 @@ class ackr_helper {
/** \brief Calculate n choose 2. **/ /** \brief Calculate n choose 2. **/
inline static unsigned n_choose_2(unsigned n) { return n & 1 ? (n * (n >> 1)) : (n >> 1) * (n - 1); } inline static unsigned n_choose_2(unsigned n) { return n & 1 ? (n * (n >> 1)) : (n >> 1) * (n - 1); }
/** \brief Calculate n choose 2 guarded for overflow. Returns infinity if unsafe. **/
inline static double n_choose_2_chk(unsigned n) { inline static double n_choose_2_chk(unsigned n) {
SASSERT(std::numeric_limits<unsigned>().max() & 32); SASSERT(std::numeric_limits<unsigned>().max() & 32);
return n & (1 << 16) ? n_choose_2(n) : std::numeric_limits<double>().infinity();; return n & (1 << 16) ? std::numeric_limits<double>().infinity() : n_choose_2(n);
} }
private: private:
bv_util m_bvutil; bv_util m_bvutil;