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cache datatype util in context to avoid performance bug, codeplex issue 195

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Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
This commit is contained in:
Nikolaj Bjorner 2015-03-25 11:35:44 -07:00
parent 3c5897eea0
commit 86ac20faf6
1 changed files with 21 additions and 1 deletions
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22
examples/c++/example.cpp
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@ -1,10 +1,28 @@
#include<vector>
#include"z3++.h"
#include<strstream>
using namespace z3;
void slow() {
context ctx;
unsigned sortSize = 200000;
char** names = new char*[sortSize];
func_decl_vector enum_consts(ctx);
func_decl_vector enum_testers(ctx);
for (unsigned i = 0; i < sortSize; ++i) {
std::stringstream strm;
strm << "c" << i;
names[i] = strdup(strm.str().c_str());
}
sort s = ctx.enumeration_sort("enumT", sortSize, names, enum_consts, enum_testers);
std::vector<Z3_func_decl> decls;
for (unsigned i = 0; i < sortSize; ++i) {
decls.push_back(Z3_get_datatype_sort_constructor(ctx, s, i));
}
}
/**
Demonstration of how Z3 can be used to prove validity of
De Morgan's Duality Law: {e not(x and y) <-> (not x) or ( not y) }
@ -986,6 +1004,8 @@ void extract_example() {
}
int main() {
slow();
return 0;
try {
demorgan(); std::cout << "\n";
find_model_example1(); std::cout << "\n";