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rm use of abs in gcd

This commit is contained in:
Michael Hemmer 2006-12-17 13:20:08 +00:00
parent 40d093a602
commit 3ba74da77c
1 changed files with 7 additions and 2 deletions
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9
Polynomial/include/CGAL/Polynomial/Algebraic_structure_traits.h
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@ -124,14 +124,19 @@ class Polynomial_algebraic_structure_traits_base< POLY, Unique_factorization_dom
: public Binary_function< POLY, POLY, POLY > { : public Binary_function< POLY, POLY, POLY > {
public: public:
POLY operator()( const POLY& x, const POLY& y ) const { POLY operator()( const POLY& x, const POLY& y ) const {
typedef Algebraic_structure_traits<POLY> AST;
typename AST::Integral_division idiv;
typename AST::Unit_part upart;
// First: the extreme cases and negative sign corrections. // First: the extreme cases and negative sign corrections.
if (x == POLY(0)) { if (x == POLY(0)) {
if (y == POLY(0)) if (y == POLY(0))
return POLY(0); return POLY(0);
return y.abs(); // TODO: Is this correct? return idiv(y,upart(y));
} }
if (y == POLY(0)) if (y == POLY(0))
return x.abs(); // TODO: Is this correct? return idiv(x,upart(x));
return INTERN_POLYNOMIAL_GCD::gcd(x,y); return INTERN_POLYNOMIAL_GCD::gcd(x,y);
} }