mirror of
https://github.com/Z3Prover/z3
synced 2025-04-08 18:31:49 +00:00
Merge pull request #1873 from xlauko/master
Add a floating-point support to c++ api.
This commit is contained in:
Nikolaj Bjorner
GitHub
commit
efb12331e0
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@ -138,11 +138,22 @@ namespace z3 {
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\brief A Context manages all other Z3 objects, global configuration options, etc.
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*/
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class context {
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public:
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enum class rounding_mode {
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RNA,
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RNE,
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RTP,
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RTN,
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RTZ
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};
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private:
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bool m_enable_exceptions;
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rounding_mode m_rounding_mode;
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Z3_context m_ctx;
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void init(config & c) {
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m_ctx = Z3_mk_context_rc(c);
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m_enable_exceptions = true;
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m_rounding_mode = rounding_mode::RNA;
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Z3_set_error_handler(m_ctx, 0);
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Z3_set_ast_print_mode(m_ctx, Z3_PRINT_SMTLIB2_COMPLIANT);
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}
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@ -171,7 +182,7 @@ namespace z3 {
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}
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/**
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\brief The C++ API uses by defaults exceptions on errors.
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\brief The C++ API uses by defaults exceptions on errors.
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For applications that don't work well with exceptions (there should be only few)
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you have the ability to turn off exceptions. The tradeoffs are that applications
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have to be very careful about using check_error() after calls that may result in an
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@ -247,6 +258,26 @@ namespace z3 {
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*/
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sort array_sort(sort d, sort r);
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sort array_sort(sort_vector const& d, sort r);
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/**
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\brief Return a floating point sort.
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\c ebits is a number of exponent bits,
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\c sbits is a number of significand bits,
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\pre where ebits must be larger than 1 and sbits must be larger than 2.
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*/
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sort fpa_sort(unsigned ebits, unsigned sbits);
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/**
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\brief Return a FloatingPoint sort with given precision bitwidth (16, 32, 64 or 128).
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*/
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template<size_t precision>
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sort fpa_sort();
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/**
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\brief Return a RoundingMode sort.
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*/
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sort fpa_rounding_mode();
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/**
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\breif Sets RoundingMode of FloatingPoints.
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*/
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void set_rounding_mode(rounding_mode rm);
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/**
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\brief Return an enumeration sort: enum_names[0], ..., enum_names[n-1].
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\c cs and \c ts are output parameters. The method stores in \c cs the constants corresponding to the enumerated elements,
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@ -284,6 +315,10 @@ namespace z3 {
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expr int_const(char const * name);
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expr real_const(char const * name);
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expr bv_const(char const * name, unsigned sz);
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expr fpa_const(char const * name, unsigned ebits, unsigned sbits);
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template<size_t precision>
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expr fpa_const(char const * name);
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expr bool_val(bool b);
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@ -307,6 +342,9 @@ namespace z3 {
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expr bv_val(char const * n, unsigned sz);
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expr bv_val(unsigned n, bool const* bits);
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expr fpa_val(double n);
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expr fpa_val(float n);
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expr string_val(char const* s);
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expr string_val(std::string const& s);
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@ -465,6 +503,7 @@ namespace z3 {
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public:
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sort(context & c):ast(c) {}
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sort(context & c, Z3_sort s):ast(c, reinterpret_cast<Z3_ast>(s)) {}
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sort(context & c, Z3_ast a):ast(c, a) {}
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sort(sort const & s):ast(s) {}
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operator Z3_sort() const { return reinterpret_cast<Z3_sort>(m_ast); }
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/**
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@ -523,6 +562,10 @@ namespace z3 {
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\brief Return true if this sort is a Finite domain sort.
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*/
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bool is_finite_domain() const { return sort_kind() == Z3_FINITE_DOMAIN_SORT; }
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/**
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\brief Return true if this sort is a Floating point sort.
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*/
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bool is_fpa() const { return sort_kind() == Z3_FLOATING_POINT_SORT; }
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/**
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\brief Return the size of this Bit-vector sort.
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@ -531,6 +574,9 @@ namespace z3 {
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*/
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unsigned bv_size() const { assert(is_bv()); unsigned r = Z3_get_bv_sort_size(ctx(), *this); check_error(); return r; }
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unsigned fpa_ebits() const { assert(is_fpa()); unsigned r = Z3_fpa_get_ebits(ctx(), *this); check_error(); return r; }
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unsigned fpa_sbits() const { assert(is_fpa()); unsigned r = Z3_fpa_get_sbits(ctx(), *this); check_error(); return r; }
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/**
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\brief Return the domain of this Array sort.
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@ -634,7 +680,7 @@ namespace z3 {
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\brief Return true if this is a regular expression.
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*/
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bool is_re() const { return get_sort().is_re(); }
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/**
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\brief Return true if this is a Finite-domain expression.
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@ -644,6 +690,10 @@ namespace z3 {
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*/
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bool is_finite_domain() const { return get_sort().is_finite_domain(); }
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/**
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\brief Return true if this is a FloatingPoint expression. .
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*/
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bool is_fpa() const { return get_sort().is_fpa(); }
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/**
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\brief Return true if this expression is a numeral.
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@ -696,29 +746,29 @@ namespace z3 {
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\brief Return true if this expression is well sorted (aka type correct).
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*/
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bool is_well_sorted() const { bool r = Z3_is_well_sorted(ctx(), m_ast) != 0; check_error(); return r; }
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/**
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\brief Return string representation of numeral or algebraic number
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This method assumes the expression is numeral or algebraic
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\pre is_numeral() || is_algebraic()
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*/
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std::string get_decimal_string(int precision) const {
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assert(is_numeral() || is_algebraic());
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return std::string(Z3_get_numeral_decimal_string(ctx(), m_ast, precision));
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}
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/**
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\brief Return int value of numeral, throw if result cannot fit in
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machine int
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It only makes sense to use this function if the caller can ensure that
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the result is an integer or if exceptions are enabled.
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the result is an integer or if exceptions are enabled.
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If exceptions are disabled, then use the is_numeral_i function.
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\pre is_numeral()
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*/
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int get_numeral_int() const {
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int get_numeral_int() const {
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int result = 0;
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if (!is_numeral_i(result)) {
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assert(ctx().enable_exceptions());
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@ -727,13 +777,13 @@ namespace z3 {
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}
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return result;
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}
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/**
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\brief Return uint value of numeral, throw if result cannot fit in
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machine uint
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It only makes sense to use this function if the caller can ensure that
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the result is an integer or if exceptions are enabled.
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the result is an integer or if exceptions are enabled.
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If exceptions are disabled, then use the is_numeral_u function.
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\pre is_numeral()
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*/
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@ -747,11 +797,11 @@ namespace z3 {
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}
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return result;
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}
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/**
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\brief Return \c int64_t value of numeral, throw if result cannot fit in
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\c int64_t.
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\pre is_numeral()
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*/
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int64_t get_numeral_int64() const {
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@ -764,11 +814,11 @@ namespace z3 {
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}
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return result;
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}
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/**
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\brief Return \c uint64_t value of numeral, throw if result cannot fit in
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\c uint64_t.
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\pre is_numeral()
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*/
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uint64_t get_numeral_uint64() const {
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@ -786,7 +836,7 @@ namespace z3 {
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return Z3_get_bool_value(ctx(), m_ast);
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}
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expr numerator() const {
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expr numerator() const {
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assert(is_numeral());
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Z3_ast r = Z3_get_numerator(ctx(), m_ast);
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check_error();
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@ -794,7 +844,7 @@ namespace z3 {
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}
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expr denominator() const {
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expr denominator() const {
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assert(is_numeral());
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Z3_ast r = Z3_get_denominator(ctx(), m_ast);
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check_error();
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@ -803,6 +853,17 @@ namespace z3 {
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operator Z3_app() const { assert(is_app()); return reinterpret_cast<Z3_app>(m_ast); }
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/**
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\brief Return a RoundingMode sort.
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*/
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sort fpa_rounding_mode() {
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assert(is_fpa());
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Z3_sort s = ctx().fpa_rounding_mode();
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check_error();
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return sort(ctx(), s);
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}
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/**
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\brief Return the declaration associated with this application.
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This method assumes the expression is an application.
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@ -905,7 +966,7 @@ namespace z3 {
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bool is_implies() const { return is_app() && Z3_OP_IMPLIES == decl().decl_kind(); }
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bool is_eq() const { return is_app() && Z3_OP_EQ == decl().decl_kind(); }
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bool is_ite() const { return is_app() && Z3_OP_ITE == decl().decl_kind(); }
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friend expr distinct(expr_vector const& args);
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friend expr concat(expr const& a, expr const& b);
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friend expr concat(expr_vector const& args);
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@ -992,23 +1053,34 @@ namespace z3 {
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friend expr nor(expr const& a, expr const& b);
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friend expr xnor(expr const& a, expr const& b);
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friend expr min(expr const& a, expr const& b);
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friend expr max(expr const& a, expr const& b);
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expr rotate_left(unsigned i) { Z3_ast r = Z3_mk_rotate_left(ctx(), i, *this); ctx().check_error(); return expr(ctx(), r); }
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expr rotate_right(unsigned i) { Z3_ast r = Z3_mk_rotate_right(ctx(), i, *this); ctx().check_error(); return expr(ctx(), r); }
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expr repeat(unsigned i) { Z3_ast r = Z3_mk_repeat(ctx(), i, *this); ctx().check_error(); return expr(ctx(), r); }
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friend expr abs(expr const & a);
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friend expr sqrt(expr const & a, expr const & rm);
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friend expr operator~(expr const & a);
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expr extract(unsigned hi, unsigned lo) const { Z3_ast r = Z3_mk_extract(ctx(), hi, lo, *this); ctx().check_error(); return expr(ctx(), r); }
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expr extract(unsigned hi, unsigned lo) const { Z3_ast r = Z3_mk_extract(ctx(), hi, lo, *this); ctx().check_error(); return expr(ctx(), r); }
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unsigned lo() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 1)); }
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unsigned hi() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 0)); }
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/**
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\brief FloatingPoint fused multiply-add.
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*/
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friend expr fma(expr const& a, expr const& b, expr const& c);
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/**
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\brief sequence and regular expression operations.
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+ is overloaded as sequence concatenation and regular expression union.
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concat is overloaded to handle sequences and regular expressions
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*/
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expr extract(expr const& offset, expr const& length) const {
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expr extract(expr const& offset, expr const& length) const {
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check_context(*this, offset); check_context(offset, length);
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Z3_ast r = Z3_mk_seq_extract(ctx(), *this, offset, length); check_error(); return expr(ctx(), r);
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Z3_ast r = Z3_mk_seq_extract(ctx(), *this, offset, length); check_error(); return expr(ctx(), r);
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}
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expr replace(expr const& src, expr const& dst) const {
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check_context(*this, src); check_context(src, dst);
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@ -1049,19 +1121,19 @@ namespace z3 {
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return expr(ctx(), r);
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}
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friend expr range(expr const& lo, expr const& hi);
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friend expr range(expr const& lo, expr const& hi);
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/**
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\brief create a looping regular expression.
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*/
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expr loop(unsigned lo) {
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Z3_ast r = Z3_mk_re_loop(ctx(), m_ast, lo, 0);
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check_error();
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return expr(ctx(), r);
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Z3_ast r = Z3_mk_re_loop(ctx(), m_ast, lo, 0);
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check_error();
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return expr(ctx(), r);
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}
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expr loop(unsigned lo, unsigned hi) {
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Z3_ast r = Z3_mk_re_loop(ctx(), m_ast, lo, hi);
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check_error();
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return expr(ctx(), r);
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Z3_ast r = Z3_mk_re_loop(ctx(), m_ast, lo, hi);
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check_error();
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return expr(ctx(), r);
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}
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@ -1094,7 +1166,7 @@ namespace z3 {
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inline expr implies(expr const & a, expr const & b) {
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assert(a.is_bool() && b.is_bool());
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assert(a.is_bool() && b.is_bool());
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_Z3_MK_BIN_(a, b, Z3_mk_implies);
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}
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inline expr implies(expr const & a, bool b) { return implies(a, a.ctx().bool_val(b)); }
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@ -1109,7 +1181,13 @@ namespace z3 {
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inline expr mod(expr const & a, int b) { return mod(a, a.ctx().num_val(b, a.get_sort())); }
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inline expr mod(int a, expr const & b) { return mod(b.ctx().num_val(a, b.get_sort()), b); }
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inline expr rem(expr const& a, expr const& b) { _Z3_MK_BIN_(a, b, Z3_mk_rem); }
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inline expr rem(expr const& a, expr const& b) {
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if (a.is_fpa() && b.is_fpa()) {
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_Z3_MK_BIN_(a, b, Z3_mk_fpa_rem);
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} else {
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_Z3_MK_BIN_(a, b, Z3_mk_rem);
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}
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}
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inline expr rem(expr const & a, int b) { return rem(a, a.ctx().num_val(b, a.get_sort())); }
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inline expr rem(int a, expr const & b) { return rem(b.ctx().num_val(a, b.get_sort()), b); }
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@ -1158,8 +1236,8 @@ namespace z3 {
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a.check_error();
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return expr(a.ctx(), r);
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}
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inline expr operator==(expr const & a, int b) { assert(a.is_arith() || a.is_bv()); return a == a.ctx().num_val(b, a.get_sort()); }
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inline expr operator==(int a, expr const & b) { assert(b.is_arith() || b.is_bv()); return b.ctx().num_val(a, b.get_sort()) == b; }
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inline expr operator==(expr const & a, int b) { assert(a.is_arith() || a.is_bv() || a.is_fpa()); return a == a.ctx().num_val(b, a.get_sort()); }
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inline expr operator==(int a, expr const & b) { assert(b.is_arith() || b.is_bv() || b.is_fpa()); return b.ctx().num_val(a, b.get_sort()) == b; }
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inline expr operator!=(expr const & a, expr const & b) {
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check_context(a, b);
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@ -1168,8 +1246,8 @@ namespace z3 {
|
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a.check_error();
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return expr(a.ctx(), r);
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}
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inline expr operator!=(expr const & a, int b) { assert(a.is_arith() || a.is_bv()); return a != a.ctx().num_val(b, a.get_sort()); }
|
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inline expr operator!=(int a, expr const & b) { assert(b.is_arith() || b.is_bv()); return b.ctx().num_val(a, b.get_sort()) != b; }
|
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inline expr operator!=(expr const & a, int b) { assert(a.is_arith() || a.is_bv() || a.is_fpa()); return a != a.ctx().num_val(b, a.get_sort()); }
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inline expr operator!=(int a, expr const & b) { assert(b.is_arith() || b.is_bv() || b.is_fpa()); return b.ctx().num_val(a, b.get_sort()) != b; }
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||||
inline expr operator+(expr const & a, expr const & b) {
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check_context(a, b);
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|
@ -1188,6 +1266,9 @@ namespace z3 {
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Z3_ast _args[2] = { a, b };
|
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r = Z3_mk_re_union(a.ctx(), 2, _args);
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}
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else if (a.is_fpa() && b.is_fpa()) {
|
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r = Z3_mk_fpa_add(a.ctx(), a.ctx().fpa_rounding_mode(), a, b);
|
||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
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assert(false);
|
||||
|
|
@ -1208,6 +1289,9 @@ namespace z3 {
|
|||
else if (a.is_bv() && b.is_bv()) {
|
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r = Z3_mk_bvmul(a.ctx(), a, b);
|
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}
|
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else if (a.is_fpa() && b.is_fpa()) {
|
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r = Z3_mk_fpa_mul(a.ctx(), a.ctx().fpa_rounding_mode(), a, b);
|
||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
|
||||
assert(false);
|
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|
|
@ -1245,6 +1329,9 @@ namespace z3 {
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else if (a.is_bv() && b.is_bv()) {
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r = Z3_mk_bvsdiv(a.ctx(), a, b);
|
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}
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else if (a.is_fpa() && b.is_fpa()) {
|
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r = Z3_mk_fpa_div(a.ctx(), a.ctx().fpa_rounding_mode(), a, b);
|
||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
|
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assert(false);
|
||||
|
|
@ -1263,6 +1350,9 @@ namespace z3 {
|
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else if (a.is_bv()) {
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r = Z3_mk_bvneg(a.ctx(), a);
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}
|
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else if (a.is_fpa()) {
|
||||
r = Z3_mk_fpa_neg(a.ctx(), a);
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||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
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assert(false);
|
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|
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@ -1281,6 +1371,9 @@ namespace z3 {
|
|||
else if (a.is_bv() && b.is_bv()) {
|
||||
r = Z3_mk_bvsub(a.ctx(), a, b);
|
||||
}
|
||||
else if (a.is_fpa() && b.is_fpa()) {
|
||||
r = Z3_mk_fpa_sub(a.ctx(), a.ctx().fpa_rounding_mode(), a, b);
|
||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
|
||||
assert(false);
|
||||
|
|
@ -1300,6 +1393,9 @@ namespace z3 {
|
|||
else if (a.is_bv() && b.is_bv()) {
|
||||
r = Z3_mk_bvsle(a.ctx(), a, b);
|
||||
}
|
||||
else if (a.is_fpa() && b.is_fpa()) {
|
||||
r = Z3_mk_fpa_leq(a.ctx(), a, b);
|
||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
|
||||
assert(false);
|
||||
|
|
@ -1322,6 +1418,9 @@ namespace z3 {
|
|||
else if (a.is_bv() && b.is_bv()) {
|
||||
r = Z3_mk_bvslt(a.ctx(), a, b);
|
||||
}
|
||||
else if (a.is_fpa() && b.is_fpa()) {
|
||||
r = Z3_mk_fpa_lt(a.ctx(), a, b);
|
||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
|
||||
assert(false);
|
||||
|
|
@ -1341,6 +1440,9 @@ namespace z3 {
|
|||
else if (a.is_bv() && b.is_bv()) {
|
||||
r = Z3_mk_bvsgt(a.ctx(), a, b);
|
||||
}
|
||||
else if (a.is_fpa() && b.is_fpa()) {
|
||||
r = Z3_mk_fpa_gt(a.ctx(), a, b);
|
||||
}
|
||||
else {
|
||||
// operator is not supported by given arguments.
|
||||
assert(false);
|
||||
|
|
@ -1366,17 +1468,30 @@ namespace z3 {
|
|||
inline expr nand(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_bvnand(a.ctx(), a, b); return expr(a.ctx(), r); }
|
||||
inline expr nor(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_bvnor(a.ctx(), a, b); return expr(a.ctx(), r); }
|
||||
inline expr xnor(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_bvxnor(a.ctx(), a, b); return expr(a.ctx(), r); }
|
||||
|
||||
inline expr min(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_fpa_min(a.ctx(), a, b); return expr(a.ctx(), r); }
|
||||
inline expr max(expr const& a, expr const& b) { check_context(a, b); Z3_ast r = Z3_mk_fpa_max(a.ctx(), a, b); return expr(a.ctx(), r); }
|
||||
inline expr abs(expr const & a) { Z3_ast r = Z3_mk_fpa_abs(a.ctx(), a); return expr(a.ctx(), r); }
|
||||
inline expr sqrt(expr const & a, expr const& rm) {
|
||||
check_context(a, rm);
|
||||
assert(a.is_fpa());
|
||||
Z3_ast r = Z3_mk_fpa_sqrt(a.ctx(), rm, a);
|
||||
return expr(a.ctx(), r);
|
||||
}
|
||||
inline expr operator~(expr const & a) { Z3_ast r = Z3_mk_bvnot(a.ctx(), a); return expr(a.ctx(), r); }
|
||||
|
||||
|
||||
inline expr fma(expr const& a, expr const& b, expr const& c, expr const& rm) {
|
||||
check_context(a, b); check_context(a, c); check_context(a, rm);
|
||||
assert(a.is_fpa() && b.is_fpa() && c.is_fpa());
|
||||
Z3_ast r = Z3_mk_fpa_fma(a.ctx(), rm, a, b, c);
|
||||
a.check_error();
|
||||
return expr(a.ctx(), r);
|
||||
}
|
||||
|
||||
/**
|
||||
\brief Create the if-then-else expression <tt>ite(c, t, e)</tt>
|
||||
|
||||
\pre c.is_bool()
|
||||
*/
|
||||
|
||||
inline expr ite(expr const & c, expr const & t, expr const & e) {
|
||||
check_context(c, t); check_context(c, e);
|
||||
assert(c.is_bool());
|
||||
|
|
@ -1453,45 +1568,45 @@ namespace z3 {
|
|||
inline expr smod(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvsmod(a.ctx(), a, b)); }
|
||||
inline expr smod(expr const & a, int b) { return smod(a, a.ctx().num_val(b, a.get_sort())); }
|
||||
inline expr smod(int a, expr const & b) { return smod(b.ctx().num_val(a, b.get_sort()), b); }
|
||||
|
||||
|
||||
/**
|
||||
\brief unsigned reminder operator for bitvectors
|
||||
*/
|
||||
inline expr urem(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvurem(a.ctx(), a, b)); }
|
||||
inline expr urem(expr const & a, int b) { return urem(a, a.ctx().num_val(b, a.get_sort())); }
|
||||
inline expr urem(int a, expr const & b) { return urem(b.ctx().num_val(a, b.get_sort()), b); }
|
||||
|
||||
|
||||
/**
|
||||
\brief shift left operator for bitvectors
|
||||
*/
|
||||
inline expr shl(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvshl(a.ctx(), a, b)); }
|
||||
inline expr shl(expr const & a, int b) { return shl(a, a.ctx().num_val(b, a.get_sort())); }
|
||||
inline expr shl(int a, expr const & b) { return shl(b.ctx().num_val(a, b.get_sort()), b); }
|
||||
|
||||
|
||||
/**
|
||||
\brief logic shift right operator for bitvectors
|
||||
*/
|
||||
inline expr lshr(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvlshr(a.ctx(), a, b)); }
|
||||
inline expr lshr(expr const & a, int b) { return lshr(a, a.ctx().num_val(b, a.get_sort())); }
|
||||
inline expr lshr(int a, expr const & b) { return lshr(b.ctx().num_val(a, b.get_sort()), b); }
|
||||
|
||||
|
||||
/**
|
||||
\brief arithmetic shift right operator for bitvectors
|
||||
*/
|
||||
inline expr ashr(expr const & a, expr const & b) { return to_expr(a.ctx(), Z3_mk_bvashr(a.ctx(), a, b)); }
|
||||
inline expr ashr(expr const & a, int b) { return ashr(a, a.ctx().num_val(b, a.get_sort())); }
|
||||
inline expr ashr(int a, expr const & b) { return ashr(b.ctx().num_val(a, b.get_sort()), b); }
|
||||
|
||||
|
||||
/**
|
||||
\brief Extend the given bit-vector with zeros to the (unsigned) equivalent bitvector of size m+i, where m is the size of the given bit-vector.
|
||||
*/
|
||||
inline expr zext(expr const & a, unsigned i) { return to_expr(a.ctx(), Z3_mk_zero_ext(a.ctx(), i, a)); }
|
||||
|
||||
|
||||
/**
|
||||
\brief Sign-extend of the given bit-vector to the (signed) equivalent bitvector of size m+i, where m is the size of the given bit-vector.
|
||||
*/
|
||||
inline expr sext(expr const & a, unsigned i) { return to_expr(a.ctx(), Z3_mk_sign_ext(a.ctx(), i, a)); }
|
||||
|
||||
|
||||
template<typename T> class cast_ast;
|
||||
|
||||
template<> class cast_ast<ast> {
|
||||
|
|
@ -1563,7 +1678,7 @@ namespace z3 {
|
|||
unsigned m_index;
|
||||
public:
|
||||
iterator(ast_vector_tpl const* v, unsigned i): m_vector(v), m_index(i) {}
|
||||
iterator(iterator& other): m_vector(other.m_vector), m_index(other.m_index) {}
|
||||
iterator(iterator& other): m_vector(other.m_vector), m_index(other.m_index) {}
|
||||
iterator operator=(iterator const& other) { m_vector = other.m_vector; m_index = other.m_index; return *this; }
|
||||
|
||||
bool operator==(iterator const& other) {
|
||||
|
|
@ -1773,7 +1888,7 @@ namespace z3 {
|
|||
return expr(ctx, r);
|
||||
}
|
||||
|
||||
inline expr mk_or(expr_vector const& args) {
|
||||
inline expr mk_or(expr_vector const& args) {
|
||||
array<Z3_ast> _args(args);
|
||||
Z3_ast r = Z3_mk_or(args.ctx(), _args.size(), _args.ptr());
|
||||
args.check_error();
|
||||
|
|
@ -1852,7 +1967,7 @@ namespace z3 {
|
|||
model(context & c):object(c) { init(Z3_mk_model(c)); }
|
||||
model(context & c, Z3_model m):object(c) { init(m); }
|
||||
model(model const & s):object(s) { init(s.m_model); }
|
||||
model(model& src, context& dst, translate) : object(dst) { init(Z3_model_translate(src.ctx(), src, dst)); }
|
||||
model(model& src, context& dst, translate) : object(dst) { init(Z3_model_translate(src.ctx(), src, dst)); }
|
||||
~model() { Z3_model_dec_ref(ctx(), m_model); }
|
||||
operator Z3_model() const { return m_model; }
|
||||
model & operator=(model const & s) {
|
||||
|
|
@ -1884,7 +1999,7 @@ namespace z3 {
|
|||
}
|
||||
|
||||
// returns interpretation of constant declaration c.
|
||||
// If c is not assigned any value in the model it returns
|
||||
// If c is not assigned any value in the model it returns
|
||||
// an expression with a null ast reference.
|
||||
expr get_const_interp(func_decl c) const {
|
||||
check_context(*this, c);
|
||||
|
|
@ -1898,7 +2013,7 @@ namespace z3 {
|
|||
check_error();
|
||||
return func_interp(ctx(), r);
|
||||
}
|
||||
|
||||
|
||||
// returns true iff the model contains an interpretation
|
||||
// for function f.
|
||||
bool has_interp(func_decl f) const {
|
||||
|
|
@ -1945,7 +2060,7 @@ namespace z3 {
|
|||
bool is_uint(unsigned i) const { Z3_bool r = Z3_stats_is_uint(ctx(), m_stats, i); check_error(); return r != 0; }
|
||||
bool is_double(unsigned i) const { Z3_bool r = Z3_stats_is_double(ctx(), m_stats, i); check_error(); return r != 0; }
|
||||
unsigned uint_value(unsigned i) const { unsigned r = Z3_stats_get_uint_value(ctx(), m_stats, i); check_error(); return r; }
|
||||
double double_value(unsigned i) const { double r = Z3_stats_get_double_value(ctx(), m_stats, i); check_error(); return r; }
|
||||
double double_value(unsigned i) const { double r = Z3_stats_get_double_value(ctx(), m_stats, i); check_error(); return r; }
|
||||
friend std::ostream & operator<<(std::ostream & out, stats const & s);
|
||||
};
|
||||
inline std::ostream & operator<<(std::ostream & out, stats const & s) { out << Z3_stats_to_string(s.ctx(), s); return out; }
|
||||
|
|
@ -2001,7 +2116,7 @@ namespace z3 {
|
|||
void add(expr const & e, char const * p) {
|
||||
add(e, ctx().bool_const(p));
|
||||
}
|
||||
// fails for some compilers:
|
||||
// fails for some compilers:
|
||||
// void add(expr_vector const& v) { check_context(*this, v); for (expr e : v) add(e); }
|
||||
void from_file(char const* file) { Z3_solver_from_file(ctx(), m_solver, file); ctx().check_parser_error(); }
|
||||
void from_string(char const* s) { Z3_solver_from_string(ctx(), m_solver, s); ctx().check_parser_error(); }
|
||||
|
|
@ -2066,11 +2181,11 @@ namespace z3 {
|
|||
param_descrs get_param_descrs() { return param_descrs(ctx(), Z3_solver_get_param_descrs(ctx(), m_solver)); }
|
||||
|
||||
|
||||
expr_vector cube(expr_vector& vars, unsigned cutoff) {
|
||||
Z3_ast_vector r = Z3_solver_cube(ctx(), m_solver, vars, cutoff);
|
||||
check_error();
|
||||
return expr_vector(ctx(), r);
|
||||
}
|
||||
expr_vector cube(expr_vector& vars, unsigned cutoff) {
|
||||
Z3_ast_vector r = Z3_solver_cube(ctx(), m_solver, vars, cutoff);
|
||||
check_error();
|
||||
return expr_vector(ctx(), r);
|
||||
}
|
||||
|
||||
class cube_iterator {
|
||||
solver& m_solver;
|
||||
|
|
@ -2118,7 +2233,7 @@ namespace z3 {
|
|||
cube_iterator operator++(int) { assert(false); return *this; }
|
||||
expr_vector const * operator->() const { return &(operator*()); }
|
||||
expr_vector const& operator*() const { return m_cube; }
|
||||
|
||||
|
||||
bool operator==(cube_iterator const& other) {
|
||||
return other.m_end == m_end;
|
||||
};
|
||||
|
|
@ -2407,7 +2522,7 @@ namespace z3 {
|
|||
|
||||
class optimize : public object {
|
||||
Z3_optimize m_opt;
|
||||
|
||||
|
||||
public:
|
||||
class handle {
|
||||
unsigned m_h;
|
||||
|
|
@ -2456,16 +2571,16 @@ namespace z3 {
|
|||
Z3_optimize_pop(ctx(), m_opt);
|
||||
}
|
||||
check_result check() { Z3_lbool r = Z3_optimize_check(ctx(), m_opt, 0, 0); check_error(); return to_check_result(r); }
|
||||
check_result check(expr_vector const& asms) {
|
||||
check_result check(expr_vector const& asms) {
|
||||
unsigned n = asms.size();
|
||||
array<Z3_ast> _asms(n);
|
||||
for (unsigned i = 0; i < n; i++) {
|
||||
check_context(*this, asms[i]);
|
||||
_asms[i] = asms[i];
|
||||
}
|
||||
Z3_lbool r = Z3_optimize_check(ctx(), m_opt, n, _asms.ptr());
|
||||
check_error();
|
||||
return to_check_result(r);
|
||||
Z3_lbool r = Z3_optimize_check(ctx(), m_opt, n, _asms.ptr());
|
||||
check_error();
|
||||
return to_check_result(r);
|
||||
}
|
||||
model get_model() const { Z3_model m = Z3_optimize_get_model(ctx(), m_opt); check_error(); return model(ctx(), m); }
|
||||
expr_vector unsat_core() const { Z3_ast_vector r = Z3_optimize_get_unsat_core(ctx(), m_opt); check_error(); return expr_vector(ctx(), r); }
|
||||
|
|
@ -2495,25 +2610,25 @@ namespace z3 {
|
|||
public:
|
||||
fixedpoint(context& c):object(c) { m_fp = Z3_mk_fixedpoint(c); Z3_fixedpoint_inc_ref(c, m_fp); }
|
||||
~fixedpoint() { Z3_fixedpoint_dec_ref(ctx(), m_fp); }
|
||||
operator Z3_fixedpoint() const { return m_fp; }
|
||||
operator Z3_fixedpoint() const { return m_fp; }
|
||||
void from_string(char const* s) { Z3_fixedpoint_from_string(ctx(), m_fp, s); check_error(); }
|
||||
void from_file(char const* s) { Z3_fixedpoint_from_file(ctx(), m_fp, s); check_error(); }
|
||||
void add_rule(expr& rule, symbol const& name) { Z3_fixedpoint_add_rule(ctx(), m_fp, rule, name); check_error(); }
|
||||
void add_fact(func_decl& f, unsigned * args) { Z3_fixedpoint_add_fact(ctx(), m_fp, f, f.arity(), args); check_error(); }
|
||||
check_result query(expr& q) { Z3_lbool r = Z3_fixedpoint_query(ctx(), m_fp, q); check_error(); return to_check_result(r); }
|
||||
check_result query(func_decl_vector& relations) {
|
||||
check_result query(func_decl_vector& relations) {
|
||||
array<Z3_func_decl> rs(relations);
|
||||
Z3_lbool r = Z3_fixedpoint_query_relations(ctx(), m_fp, rs.size(), rs.ptr());
|
||||
check_error();
|
||||
return to_check_result(r);
|
||||
Z3_lbool r = Z3_fixedpoint_query_relations(ctx(), m_fp, rs.size(), rs.ptr());
|
||||
check_error();
|
||||
return to_check_result(r);
|
||||
}
|
||||
expr get_answer() { Z3_ast r = Z3_fixedpoint_get_answer(ctx(), m_fp); check_error(); return expr(ctx(), r); }
|
||||
std::string reason_unknown() { return Z3_fixedpoint_get_reason_unknown(ctx(), m_fp); }
|
||||
void update_rule(expr& rule, symbol const& name) { Z3_fixedpoint_update_rule(ctx(), m_fp, rule, name); check_error(); }
|
||||
unsigned get_num_levels(func_decl& p) { unsigned r = Z3_fixedpoint_get_num_levels(ctx(), m_fp, p); check_error(); return r; }
|
||||
expr get_cover_delta(int level, func_decl& p) {
|
||||
Z3_ast r = Z3_fixedpoint_get_cover_delta(ctx(), m_fp, level, p);
|
||||
check_error();
|
||||
expr get_cover_delta(int level, func_decl& p) {
|
||||
Z3_ast r = Z3_fixedpoint_get_cover_delta(ctx(), m_fp, level, p);
|
||||
check_error();
|
||||
return expr(ctx(), r);
|
||||
}
|
||||
void add_cover(int level, func_decl& p, expr& property) { Z3_fixedpoint_add_cover(ctx(), m_fp, level, p, property); check_error(); }
|
||||
|
|
@ -2527,7 +2642,7 @@ namespace z3 {
|
|||
std::string to_string() { return Z3_fixedpoint_to_string(ctx(), m_fp, 0, 0); }
|
||||
std::string to_string(expr_vector const& queries) {
|
||||
array<Z3_ast> qs(queries);
|
||||
return Z3_fixedpoint_to_string(ctx(), m_fp, qs.size(), qs.ptr());
|
||||
return Z3_fixedpoint_to_string(ctx(), m_fp, qs.size(), qs.ptr());
|
||||
}
|
||||
void push() { Z3_fixedpoint_push(ctx(), m_fp); check_error(); }
|
||||
void pop() { Z3_fixedpoint_pop(ctx(), m_fp); check_error(); }
|
||||
|
|
@ -2562,11 +2677,36 @@ namespace z3 {
|
|||
inline sort context::string_sort() { Z3_sort s = Z3_mk_string_sort(m_ctx); check_error(); return sort(*this, s); }
|
||||
inline sort context::seq_sort(sort& s) { Z3_sort r = Z3_mk_seq_sort(m_ctx, s); check_error(); return sort(*this, r); }
|
||||
inline sort context::re_sort(sort& s) { Z3_sort r = Z3_mk_re_sort(m_ctx, s); check_error(); return sort(*this, r); }
|
||||
inline sort context::fpa_sort(unsigned ebits, unsigned sbits) { Z3_sort s = Z3_mk_fpa_sort(m_ctx, ebits, sbits); check_error(); return sort(*this, s); }
|
||||
|
||||
template<>
|
||||
inline sort context::fpa_sort<16>() { return fpa_sort(5, 11); }
|
||||
|
||||
template<>
|
||||
inline sort context::fpa_sort<32>() { return fpa_sort(8, 24); }
|
||||
|
||||
template<>
|
||||
inline sort context::fpa_sort<64>() { return fpa_sort(11, 53); }
|
||||
|
||||
template<>
|
||||
inline sort context::fpa_sort<128>() { return fpa_sort(15, 113); }
|
||||
|
||||
inline sort context::fpa_rounding_mode() {
|
||||
switch (m_rounding_mode) {
|
||||
case rounding_mode::RNA: return sort(*this, Z3_mk_fpa_rna(m_ctx));
|
||||
case rounding_mode::RNE: return sort(*this, Z3_mk_fpa_rne(m_ctx));
|
||||
case rounding_mode::RTP: return sort(*this, Z3_mk_fpa_rtp(m_ctx));
|
||||
case rounding_mode::RTN: return sort(*this, Z3_mk_fpa_rtn(m_ctx));
|
||||
case rounding_mode::RTZ: return sort(*this, Z3_mk_fpa_rtz(m_ctx));
|
||||
}
|
||||
}
|
||||
|
||||
inline void context::set_rounding_mode(rounding_mode rm) { m_rounding_mode = rm; }
|
||||
|
||||
inline sort context::array_sort(sort d, sort r) { Z3_sort s = Z3_mk_array_sort(m_ctx, d, r); check_error(); return sort(*this, s); }
|
||||
inline sort context::array_sort(sort_vector const& d, sort r) {
|
||||
array<Z3_sort> dom(d);
|
||||
Z3_sort s = Z3_mk_array_sort_n(m_ctx, dom.size(), dom.ptr(), r); check_error(); return sort(*this, s);
|
||||
Z3_sort s = Z3_mk_array_sort_n(m_ctx, dom.size(), dom.ptr(), r); check_error(); return sort(*this, s);
|
||||
}
|
||||
inline sort context::enumeration_sort(char const * name, unsigned n, char const * const * enum_names, func_decl_vector & cs, func_decl_vector & ts) {
|
||||
array<Z3_symbol> _enum_names(n);
|
||||
|
|
@ -2681,6 +2821,10 @@ namespace z3 {
|
|||
inline expr context::int_const(char const * name) { return constant(name, int_sort()); }
|
||||
inline expr context::real_const(char const * name) { return constant(name, real_sort()); }
|
||||
inline expr context::bv_const(char const * name, unsigned sz) { return constant(name, bv_sort(sz)); }
|
||||
inline expr context::fpa_const(char const * name, unsigned ebits, unsigned sbits) { return constant(name, fpa_sort(ebits, sbits)); }
|
||||
|
||||
template<size_t precision>
|
||||
inline expr context::fpa_const(char const * name) { return constant(name, fpa_sort<precision>()); }
|
||||
|
||||
inline expr context::bool_val(bool b) { return b ? expr(*this, Z3_mk_true(m_ctx)) : expr(*this, Z3_mk_false(m_ctx)); }
|
||||
|
||||
|
|
@ -2702,12 +2846,15 @@ namespace z3 {
|
|||
inline expr context::bv_val(int64_t n, unsigned sz) { sort s = bv_sort(sz); Z3_ast r = Z3_mk_int64(m_ctx, n, s); check_error(); return expr(*this, r); }
|
||||
inline expr context::bv_val(uint64_t n, unsigned sz) { sort s = bv_sort(sz); Z3_ast r = Z3_mk_unsigned_int64(m_ctx, n, s); check_error(); return expr(*this, r); }
|
||||
inline expr context::bv_val(char const * n, unsigned sz) { sort s = bv_sort(sz); Z3_ast r = Z3_mk_numeral(m_ctx, n, s); check_error(); return expr(*this, r); }
|
||||
inline expr context::bv_val(unsigned n, bool const* bits) {
|
||||
inline expr context::bv_val(unsigned n, bool const* bits) {
|
||||
array<Z3_bool> _bits(n);
|
||||
for (unsigned i = 0; i < n; ++i) _bits[i] = bits[i] ? 1 : 0;
|
||||
Z3_ast r = Z3_mk_bv_numeral(m_ctx, n, _bits.ptr()); check_error(); return expr(*this, r);
|
||||
Z3_ast r = Z3_mk_bv_numeral(m_ctx, n, _bits.ptr()); check_error(); return expr(*this, r);
|
||||
}
|
||||
|
||||
inline expr context::fpa_val(double n) { sort s = fpa_sort<64>(); Z3_ast r = Z3_mk_fpa_numeral_double(m_ctx, n, s); check_error(); return expr(*this, r); }
|
||||
inline expr context::fpa_val(float n) { sort s = fpa_sort<32>(); Z3_ast r = Z3_mk_fpa_numeral_float(m_ctx, n, s); check_error(); return expr(*this, r); }
|
||||
|
||||
inline expr context::string_val(char const* s) { Z3_ast r = Z3_mk_string(m_ctx, s); check_error(); return expr(*this, r); }
|
||||
inline expr context::string_val(std::string const& s) { Z3_ast r = Z3_mk_string(m_ctx, s.c_str()); check_error(); return expr(*this, r); }
|
||||
|
||||
|
|
@ -2831,8 +2978,8 @@ namespace z3 {
|
|||
a.check_error();
|
||||
return expr(a.ctx(), r);
|
||||
}
|
||||
inline expr select(expr const & a, int i) {
|
||||
return select(a, a.ctx().num_val(i, a.get_sort().array_domain()));
|
||||
inline expr select(expr const & a, int i) {
|
||||
return select(a, a.ctx().num_val(i, a.get_sort().array_domain()));
|
||||
}
|
||||
inline expr select(expr const & a, expr_vector const & i) {
|
||||
check_context(a, i);
|
||||
|
|
@ -2862,10 +3009,10 @@ namespace z3 {
|
|||
return expr(a.ctx(), r);
|
||||
}
|
||||
|
||||
inline expr as_array(func_decl & f) {
|
||||
Z3_ast r = Z3_mk_as_array(f.ctx(), f);
|
||||
f.check_error();
|
||||
return expr(f.ctx(), r);
|
||||
inline expr as_array(func_decl & f) {
|
||||
Z3_ast r = Z3_mk_as_array(f.ctx(), f);
|
||||
f.check_error();
|
||||
return expr(f.ctx(), r);
|
||||
}
|
||||
|
||||
#define MK_EXPR1(_fn, _arg) \
|
||||
|
|
@ -2897,21 +3044,21 @@ namespace z3 {
|
|||
|
||||
inline expr set_del(expr const& s, expr const& e) {
|
||||
MK_EXPR2(Z3_mk_set_del, s, e);
|
||||
}
|
||||
}
|
||||
|
||||
inline expr set_union(expr const& a, expr const& b) {
|
||||
check_context(a, b);
|
||||
check_context(a, b);
|
||||
Z3_ast es[2] = { a, b };
|
||||
Z3_ast r = Z3_mk_set_union(a.ctx(), 2, es);
|
||||
a.check_error();
|
||||
a.check_error();
|
||||
return expr(a.ctx(), r);
|
||||
}
|
||||
|
||||
inline expr set_intersect(expr const& a, expr const& b) {
|
||||
check_context(a, b);
|
||||
check_context(a, b);
|
||||
Z3_ast es[2] = { a, b };
|
||||
Z3_ast r = Z3_mk_set_intersect(a.ctx(), 2, es);
|
||||
a.check_error();
|
||||
a.check_error();
|
||||
return expr(a.ctx(), r);
|
||||
}
|
||||
|
||||
|
|
@ -2995,10 +3142,10 @@ namespace z3 {
|
|||
MK_EXPR1(Z3_mk_re_complement, a);
|
||||
}
|
||||
inline expr range(expr const& lo, expr const& hi) {
|
||||
check_context(lo, hi);
|
||||
Z3_ast r = Z3_mk_re_range(lo.ctx(), lo, hi);
|
||||
lo.check_error();
|
||||
return expr(lo.ctx(), r);
|
||||
check_context(lo, hi);
|
||||
Z3_ast r = Z3_mk_re_range(lo.ctx(), lo, hi);
|
||||
lo.check_error();
|
||||
return expr(lo.ctx(), r);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -3009,7 +3156,7 @@ namespace z3 {
|
|||
Z3_ast_vector r = Z3_parse_smtlib2_string(*this, s, 0, 0, 0, 0, 0, 0);
|
||||
check_error();
|
||||
return expr_vector(*this, r);
|
||||
|
||||
|
||||
}
|
||||
inline expr_vector context::parse_file(char const* s) {
|
||||
Z3_ast_vector r = Z3_parse_smtlib2_file(*this, s, 0, 0, 0, 0, 0, 0);
|
||||
|
|
|
|||
Loading…
Reference in a new issue