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Add methods for obtaining numeral values in C++ API

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This commit is contained in:
Jan Mrázek 2016-03-16 00:18:49 +01:00
parent 3101d281e4
commit 57265f6eb1
1 changed files with 76 additions and 0 deletions
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76
src/api/c++/z3++.h
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@ -622,11 +622,87 @@ namespace z3 {
\brief Return true if this expression is a variable.
*/
bool is_var() const { return kind() == Z3_VAR_AST; }
/**
\brief Return true if expression is an algebraic number.
*/
bool is_algebraic() const { return Z3_is_algebraic_number(ctx(), m_ast); }
/**
\brief Return true if this expression is well sorted (aka type correct).
*/
bool is_well_sorted() const { bool r = Z3_is_well_sorted(ctx(), m_ast) != 0; check_error(); return r; }
/**
\brief Return string representation of numeral or algebraic number
This method assumes the expression is numeral or algebraic
\pre is_numeral() || is_algebraic()
*/
std::string get_decimal_string(int precision) const {
assert(is_numeral() || is_algebraic());
return std::string(Z3_get_numeral_decimal_string(ctx(), m_ast, precision));
}
/**
\brief Return int value of numeral, throw if result cannot fit in
machine int
\pre is_numeral()
*/
int get_numeral_int() const {
assert(is_numeral());
int result;
Z3_bool state = Z3_get_numeral_int(ctx(), m_ast, &result);
if (state != Z3_TRUE)
throw exception("numeral does not fit in machine int");
return result;
}
/**
\brief Return uint value of numeral, throw if result cannot fit in
machine uint
\pre is_numeral()
*/
unsigned get_numeral_uint() const {
assert(is_numeral());
unsigned result;
Z3_bool state = Z3_get_numeral_uint(ctx(), m_ast, &result);
if (state != Z3_TRUE)
throw exception("numeral does not fit in machine uint");
return result;
}
/**
\brief Return __int64 value of numeral, throw if result cannot fit in
__int64
\pre is_numeral()
*/
__int64 get_numeral_int64() const {
assert(is_numeral());
__int64 result;
Z3_bool state = Z3_get_numeral_int64(ctx(), m_ast, &result);
if (state != Z3_TRUE)
throw exception("numeral does not fit in machine __int64");
return result;
}
/**
\brief Return __uint64 value of numeral, throw if result cannot fit in
__uint64
\pre is_numeral()
*/
__uint64 get_numeral_uint64() const {
assert(is_numeral());
__uint64 result;
Z3_bool state = Z3_get_numeral_uint64(ctx(), m_ast, &result);
if (state != Z3_TRUE)
throw exception("numeral does not fit in machine __uint64");
return result;
}
operator Z3_app() const { assert(is_app()); return reinterpret_cast<Z3_app>(m_ast); }