Polynomial Interfaces to Singular¶
AUTHORS:
- Martin Albrecht <malb@informatik.uni-bremen.de> (2006-04-21) 
- Robert Bradshaw: Re-factor to avoid multiple inheritance vs. Cython (2007-09) 
- Syed Ahmad Lavasani: Added function field to _singular_init_ (2011-12-16); Added non-prime finite fields to _singular_init_ (2012-1-22) 
- class sage.rings.polynomial.polynomial_singular_interface.PolynomialRing_singular_repr[source]¶
- Bases: - object- Implement methods to convert polynomial rings to Singular. - This class is a base class for all univariate and multivariate polynomial rings which support conversion from and to Singular rings. 
- class sage.rings.polynomial.polynomial_singular_interface.Polynomial_singular_repr[source]¶
- Bases: - object- Implement coercion of polynomials to Singular polynomials. - This class is a base class for all (univariate and multivariate) polynomial classes which support conversion from and to Singular polynomials. - Due to the incompatibility of Python extension classes and multiple inheritance, this just defers to module-level functions. 
- sage.rings.polynomial.polynomial_singular_interface.can_convert_to_singular(R)[source]¶
- Return - Trueif this ring’s base field or ring can be represented in Singular, and the polynomial ring has at least one generator.- The following base rings are supported: finite fields, rationals, number fields, and real and complex fields. - EXAMPLES: - sage: from sage.rings.polynomial.polynomial_singular_interface import can_convert_to_singular sage: can_convert_to_singular(PolynomialRing(QQ, names=['x'])) True sage: can_convert_to_singular(PolynomialRing(ZZ, names=['x'])) True sage: can_convert_to_singular(PolynomialRing(QQ, names=[])) False - >>> from sage.all import * >>> from sage.rings.polynomial.polynomial_singular_interface import can_convert_to_singular >>> can_convert_to_singular(PolynomialRing(QQ, names=['x'])) True >>> can_convert_to_singular(PolynomialRing(ZZ, names=['x'])) True >>> can_convert_to_singular(PolynomialRing(QQ, names=[])) False