f0de38680a
(state_ptr_equal, state_ptr_hash): New functors. * src/tgba/statebdd.hh, src/tgba/statebdd.cc (state_bdd::hash): New method. * src/tgba/tgbaexplicit.hh, src/tgba/tgbaexplicit.cc (state_explicit::hash): New method. (ns_map, sn_map): Use Sgi::hash_map instead of std::map. * src/tgba/tgbaproduct.hh, src/tgba/tgbaproduct.cc (state_product::hash): New method. * src/tgba/tgbatba.cc (state_tba_proxy::hash): New method. * src/tgbaalgos/lbtt.cc (acp_seen, todo_set, seen_map): Redefine using Sgi::hash_map or Sgi::hash_set. (lbtt_reachable): Don't erase a key that is pointed to by an iterator. * src/tgbaalgos/reachiter.cc (tgba_reachable_iterator::~tgba_reachable_iterator): Likewise. * src/tgbaalgos/magic.cc (magic_search::~magic_search()): Likewise. * src/tgbaalgos/magic.hh (hash_type): Redefine using Sgi::hash_map. * src/tgbaalgos/reachiter.hh (seen_map): Redefine using Sgi::hash_map. * iface/gspn/gspn.cc (state_gspn::hash): New method. * src/misc/hash.hh (string_hash): New functor.
57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
#ifndef SPOT_MISC_HASH_HH
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# define SPOT_MISC_HASH_HH
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# include <string>
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// See the G++ FAQ for details about the following.
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# ifdef __GNUC__
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# if __GNUC__ < 3
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# include <hash_map.h>
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# include <hash_set.h>
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namespace Sgi
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{ // inherit globals
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using ::hash_map;
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using ::hash_set;
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using ::hash;
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};
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# else
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# include <ext/hash_map>
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# include <ext/hash_set>
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# if __GNUC_MINOR__ == 0
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namespace Sgi = std; // GCC 3.0
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# else
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namespace Sgi = ::__gnu_cxx; // GCC 3.1 and later
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# endif
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# endif
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# else // ... there are other compilers, right?
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# include <hash_map>
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# include <hash_set>
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namespace Sgi = std;
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# endif
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namespace spot
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{
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/// A hash function for pointers.
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template <class T>
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struct ptr_hash
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{
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size_t operator()(const T* p) const
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{
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return reinterpret_cast<const char*>(p) - static_cast<const char*>(0);
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}
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};
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/// A hash function for strings.
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struct string_hash : Sgi::hash<const char*>
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{
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size_t operator()(const std::string& s) const
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{
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// We are living dangerously. Be sure to call operator()
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// from the super-class, not this one.
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return Sgi::hash<const char*>::operator()(s.c_str());
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}
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};
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}
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#endif // SPOT_MISC_HASH_HH
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