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C++ Timer::GetMilliseconds方法代码示例

本文整理汇总了C++中Timer::GetMilliseconds方法的典型用法代码示例。如果您正苦于以下问题:C++ Timer::GetMilliseconds方法的具体用法?C++ Timer::GetMilliseconds怎么用?C++ Timer::GetMilliseconds使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Timer的用法示例。


在下文中一共展示了Timer::GetMilliseconds方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: check_all_equal_lossy

void check_all_equal_lossy(const std::string& startsymbol, const std::vector<std::string>& inputs, int refinementDepth) {
  int num_grammars = inputs.size();
  Parser p;
  auto eq_tmp = MapEquations(p.free_parser(inputs[0]), [](const FreeSemiring &c) -> LossyFiniteAutomaton {
    auto srconv = SRConverter<LossyFiniteAutomaton>();
    return c.Eval(srconv);
  });

  auto equations_fst = NCEquationsBase<LossyFiniteAutomaton>(eq_tmp.begin(), eq_tmp.end());

  VarId S_1;
  if(startsymbol.compare("") == 0) {
    S_1 = equations_fst[0].first;
  } else {
    S_1 = Var::GetVarId(startsymbol);
  }

  Timer timer;
  timer.Start();

  bool all_equal = true;
  for(int i=1; i<num_grammars; i++) {

    auto eq_tmp2 = MapEquations(p.free_parser(inputs[i]), [](const FreeSemiring &c) -> LossyFiniteAutomaton {
      auto srconv = SRConverter<LossyFiniteAutomaton>();
      return c.Eval(srconv);
    });
    auto equations = NCEquationsBase<LossyFiniteAutomaton>(eq_tmp2.begin(), eq_tmp2.end());


    VarId S_2;
    if(startsymbol.compare("") == 0) {
      S_2 = equations[0].first;
    } else {
      S_2 = Var::GetVarId(startsymbol);
    }

    auto witness = NonCommutativePolynomial<LossyFiniteAutomaton>::refineCourcelle(equations_fst, S_1, equations, S_1, refinementDepth);

    if(witness != LossyFiniteAutomaton::null()) {
      if(startsymbol.compare("") == 0) {
        std::cout << "[DIFF] Difference found for startsymbols (" << equations_fst[0].first << "," << equations[0].first << ")" << std::endl;
      }
      else {
        std::cout << "[DIFF] Difference found for startsymbols (" << S_1 << "," << S_2 << ")" << std::endl;
      }
        std::cout << "Witness: " << witness.string() << std::endl;
        all_equal = false;
        break;
    }
  }

  if(all_equal) {
    std::cout << "[EQUIV] All grammars equivalent modulo subword-closure" << std::endl;
  }

  timer.Stop();
  std::cout
  << "Total checking time:\t" << timer.GetMilliseconds().count()
  << " ms" << " ("
  << timer.GetMicroseconds().count()
  << "us)" << std::endl;

}
开发者ID:Loveice,项目名称:FPsolve,代码行数:64,代码来源:gr_checker.cpp

示例2: check_all_equal_commutative

void check_all_equal_commutative(const std::string& startsymbol, const std::vector<std::string>& inputs) {

  Parser p;
  int num_grammars = inputs.size();

  auto nc_equations = p.free_parser(inputs[0]);

  std::cout << "Eq (non-comm) : " << std::endl;
  PrintEquations(nc_equations);

  // Use appropriate semiring (has to be commutative!)
  auto equations_fst = MakeCommEquationsAndMap(nc_equations, [](const FreeSemiring &c) -> SR {
    auto srconv = SRConverter<SR>();
    return c.Eval(srconv);
  });

  std::cout << "Eq (comm) : "  << std::endl;
  PrintEquations(equations_fst);

  Timer timer;
  timer.Start();

  ValuationMap<SR> sol_fst = apply_solver<NewtonCL, CommutativePolynomial>(equations_fst, true, false, 0, false);

  bool all_equal = true;
  for(int i=1; i<num_grammars; i++) {
    auto equations = MakeCommEquationsAndMap(p.free_parser(inputs[i]), [](const FreeSemiring &c) -> SR {
      auto srconv = SRConverter<SR>();
      return c.Eval(srconv);
    });

    ValuationMap<SR> sol = apply_solver<NewtonCL, CommutativePolynomial>(equations, true, false, 0, false);


    if(startsymbol.compare("") == 0) {
      if(sol[equations[0].first] != sol_fst[equations_fst[0].first]) {
        std::cout << "[DIFF] Difference found for startsymbols (" << equations_fst[0].first << "," << equations[0].first << ")" << std::endl;
        std::cout << "0:" << result_string(sol_fst) << std::endl << i << ":" << result_string(sol) << std::endl;
        all_equal = false;
        break;
      }
    }
    else {

      if(sol.find(Var::GetVarId(startsymbol)) == sol.end() || sol_fst.find(Var::GetVarId(startsymbol)) == sol_fst.end()) {
        std::cout << "[ERROR] startsymbol (" << startsymbol << ") does not occur!"<< std::endl;
        return;
      }
      else if(sol[Var::GetVarId(startsymbol)] != sol_fst[Var::GetVarId(startsymbol)]) {
        std::cout << "[DIFF] Difference found for startsymbol (" << startsymbol << ")" << std::endl << "0:" << result_string(sol_fst)
                                               << std::endl << i << ":" << result_string(sol) << std::endl;
        all_equal = false;
        break;
      }
    }

  }

  if(all_equal) {
    std::cout << "[EQUIV] All grammars equivalent modulo commutativity" << std::endl;
  }

  timer.Stop();
  std::cout
  << "Total checking time:\t" << timer.GetMilliseconds().count()
  << " ms" << " ("
  << timer.GetMicroseconds().count()
  << "us)" << std::endl;

}
开发者ID:Loveice,项目名称:FPsolve,代码行数:70,代码来源:gr_checker.cpp

示例3: TimeOfImpact


//.........这里部分代码省略.........
			// runs out of iterations.
			if (s1 < target - tolerance)
			{
				output->state = TOIOutput::e_failed;
				output->t = t1;
				done = true;
				break;
			}

			// Check for touching
			if (s1 <= target + tolerance)
			{
				// Victory! t1 should hold the TOI (could be 0.0).
				output->state = TOIOutput::e_touching;
				output->t = t1;
				done = true;
				break;
			}

			// Compute 1D root of: f(x) - target = 0
			int32 rootIterCount = 0;
			float32 a1 = t1, a2 = t2;
			for (;;)
			{
				// Use a mix of the secant rule and bisection.
				float32 t;
				if (rootIterCount & 1)
				{
					// Secant rule to improve convergence.
					t = a1 + (target - s1) * (a2 - a1) / (s2 - s1);
				}
				else
				{
					// Bisection to guarantee progress.
					t = 0.5f * (a1 + a2);
				}

				++rootIterCount;
				++b2_toiRootIters;

				float32 s = fcn.Evaluate(indexA, indexB, t);

				if (Abs(s - target) < tolerance)
				{
					// t2 holds a tentative value for t1
					t2 = t;
					break;
				}

				// Ensure we continue to bracket the root.
				if (s > target)
				{
					a1 = t;
					s1 = s;
				}
				else
				{
					a2 = t;
					s2 = s;
				}
				
				if (rootIterCount == 50)
				{
					break;
				}
			}

			b2_toiMaxRootIters = Max(b2_toiMaxRootIters, rootIterCount);

			++pushBackIter;

			if (pushBackIter == maxPolygonVertices)
			{
				break;
			}
		}

		++iter;
		++b2_toiIters;

		if (done)
		{
			break;
		}

		if (iter == k_maxIterations)
		{
			// Root finder got stuck. Semi-victory.
			output->state = TOIOutput::e_failed;
			output->t = t1;
			break;
		}
	}

	b2_toiMaxIters = Max(b2_toiMaxIters, iter);

	float32 time = timer.GetMilliseconds();
	b2_toiMaxTime = Max(b2_toiMaxTime, time);
	b2_toiTime += time;
}
开发者ID:ZhuangChun,项目名称:Box2D,代码行数:101,代码来源:TimeOfImpact.cpp


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