cp-algo/util/checkpoint.hpp

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• Last update: 2025-04-21 21:45:29+02:00
• Include: #include "cp-algo/util/checkpoint.hpp"
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Required by

• cp-algo/linalg/frobenius.hpp
• cp-algo/math/cvector.hpp
• cp-algo/math/fft.hpp
• cp-algo/math/poly.hpp
• cp-algo/math/poly/impl/div.hpp
• cp-algo/math/poly/impl/euclid.hpp

Verified with

• Characteristic Polynomial (verify/linalg/characteristic.test.cpp)
• Pow of Matrix (Frobenius) (verify/linalg/pow_fast.test.cpp)
• Bell Number (verify/poly/bell.test.cpp)
• Convolution mod $10^9+7$ (verify/poly/convolution107.test.cpp)
• Division of Polynomials (verify/poly/div.test.cpp)
• Exp of Power Series (verify/poly/exp.test.cpp)
• Find Linear Recurrence (verify/poly/find_linrec.test.cpp)
• Polynomial Interpolation (verify/poly/inter.test.cpp)
• Polynomial Interpolation (Geometric Sequence) (verify/poly/inter_geo.test.cpp)
• Inv of Power Series (verify/poly/inv.test.cpp)
• Inv of Polynomials (verify/poly/inv_mod.test.cpp)
• Consecutive Terms of Linear Recursion (verify/poly/linrec_consecutive.test.cpp)
• Kth term of Linearly Recurrent Sequence (verify/poly/linrec_single.test.cpp)
• Log of Power Series (verify/poly/log.test.cpp)
• Multipoint Evaluation (verify/poly/multieval.test.cpp)
• Multipoint Evaluation (Geometric Sequence) (verify/poly/multieval_geo.test.cpp)
• Pow of Power Series (verify/poly/pow.test.cpp)
• Product of Polynomial Sequence (verify/poly/prod_sequence.test.cpp)
• Polynomial Root Finding (verify/poly/roots.test.cpp)
• Shift of Sampling Points of Polynomial (verify/poly/sampling.test.cpp)
• Sqrt of Power Series (verify/poly/sqrt.test.cpp)
• Polynomial Taylor Shift (verify/poly/taylor.test.cpp)
• Wildcard Pattern Matching (verify/poly/wildcard.test.cpp)

Code

#ifndef CP_ALGO_UTIL_CHECKPOINT_HPP
#define CP_ALGO_UTIL_CHECKPOINT_HPP
#include <iostream>
#include <chrono>
#include <string>
namespace cp_algo {
    template<bool final = false>
    void checkpoint([[maybe_unused]] std::string const& msg = "") {
#ifdef CP_ALGO_CHECKPOINT
        static double last = 0;
        double now = (double)clock() / CLOCKS_PER_SEC;
        double delta = now - last;
        last = now;
        if(msg.size()) {
            std::cerr << msg << ": " << (final ? now : delta) * 1000 << " ms\n";
        }
#endif
    }
}
#endif // CP_ALGO_UTIL_CHECKPOINT_HPP

#line 1 "cp-algo/util/checkpoint.hpp"


#include <iostream>
#include <chrono>
#include <string>
namespace cp_algo {
    template<bool final = false>
    void checkpoint([[maybe_unused]] std::string const& msg = "") {
#ifdef CP_ALGO_CHECKPOINT
        static double last = 0;
        double now = (double)clock() / CLOCKS_PER_SEC;
        double delta = now - last;
        last = now;
        if(msg.size()) {
            std::cerr << msg << ": " << (final ? now : delta) * 1000 << " ms\n";
        }
#endif
    }
}

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