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https://github.com/Z3Prover/z3
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57 lines
1 KiB
C++
57 lines
1 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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prime_generator.h
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Abstract:
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Prime generator
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Author:
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Leonardo (leonardo) 2011-12-23
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Notes:
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--*/
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#pragma once
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#include "util/vector.h"
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#include "util/z3_exception.h"
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#include "util/util.h"
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class prime_generator_exception : public default_exception {
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public:
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prime_generator_exception(char const * msg):default_exception(msg) {}
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};
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/**
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\brief Prime generator
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*/
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class prime_generator {
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svector<uint64_t> m_primes;
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void process_next_k_numbers(uint64_t k);
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public:
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uint64_t operator()(unsigned idx);
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void initialize();
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void finalize();
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};
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class prime_iterator {
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unsigned m_idx;
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prime_generator * m_generator;
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bool m_global;
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public:
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prime_iterator(prime_generator * g = nullptr);
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uint64_t next();
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static void initialize();
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static void finalize();
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/*
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ADD_INITIALIZER('prime_iterator::initialize();')
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ADD_FINALIZER('prime_iterator::finalize();')
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*/
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};
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