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Extract defining components of algebraic number via C and C++ API (#3321)

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* First steps toward adding Julia bindings

* Simplifications

* Streamlining

* Friends of tactic and probe

* Add missing functions

* Update azure-pipelines.yml for Azure Pipelines

* Update azure-pipelines.yml for Azure Pipelines

* Update azure-pipelines.yml for Azure Pipelines

* Update azure-pipelines.yml for Azure Pipelines

* Changes for CxxWrap v0.9.0

* Wrap enumeration and tuple sort

* Wrap z3::fixedpoint

* Wrap z3::optimize

* Wrap missing functions

* Fix aux types

* Add some missing functions

* Revert "Update azure-pipelines.yml for Azure Pipelines"

This reverts commit 5aab9f9240.

* Revert "Update azure-pipelines.yml for Azure Pipelines"

This reverts commit cfccd7ca2c.

* Revert "Update azure-pipelines.yml for Azure Pipelines"

This reverts commit f24740c595.

* Revert "Update azure-pipelines.yml for Azure Pipelines"

This reverts commit 592499eaa0.

* Checkout current version of pipeline

* Build Julia bindings on macOS

* Extract components of algebraic number

* Add type to C API function name

* Remove blank line

* Typo in doc

* Return Z3_ast_vector containing coefficients
This commit is contained in:
ahumenberger 2020-03-17 17:09:02 +01:00 • committed by GitHub
parent 1c5283f3a4
commit de9bc930e9
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6 changed files with 160 additions and 72 deletions
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17
src/math/polynomial/algebraic_numbers.cpp
View file

@ -1951,6 +1951,19 @@ namespace algebraic_numbers {
}
}
unsigned get_i(numeral const & a) {
if (a.is_basic()) {
if (is_zero(a)) {
return 0;
}
return 1;
}
else {
algebraic_cell * c = a.to_algebraic();
return c->m_i;
}
}
/**
\brief "Optimistic" mapping: it assumes all variables are mapped to
basic_values (rationals). Throws an exception if that is not the case.
@ -3000,6 +3013,10 @@ namespace algebraic_numbers {
m_imp->get_polynomial(a, r);
}
unsigned manager::get_i(numeral const & a) {
return m_imp->get_i(a);
}
void manager::get_lower(numeral const & a, mpbq & l) {
SASSERT(!is_rational(a));
bqm().set(l, a.to_algebraic()->m_interval.lower());

1
src/math/polynomial/algebraic_numbers.h
View file

@ -307,6 +307,7 @@ namespace algebraic_numbers {
sign eval_sign_at(polynomial_ref const & p, polynomial::var2anum const & x2v);
void get_polynomial(numeral const & a, svector<mpz> & r);
unsigned get_i(numeral const & a);
// Procedures for getting lower and upper bounds for irrational numbers
void get_lower(numeral const & a, mpbq & l);