Changeset 7dce2d7 in git for libpolys/coeffs

Timestamp:

Apr 20, 2011, 5:24:15 PM (13 years ago)

Author:

Hans Schoenemann <hannes@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

9765f3b4f33f8fae7a5ca4ed7831d01d8ca37a06

Parents:

7f602bf34cba1848ae22dbe21a65ea4f2460604f

git-author:

Hans Schoenemann <hannes@mathematik.uni-kl.de>2011-04-20 17:24:15+02:00

git-committer:

Mohamed Barakat <mohamed.barakat@rwth-aachen.de>2011-11-09 12:31:21+01:00

Message:

add comments to some coeff functions
add p_EqualPolys
fix warnings in mod_raw.cc

File:

• libpolys/coeffs/coeffs.h (modified) (2 diffs)

libpolys/coeffs/coeffs.h

@@ -378 +378 @@
 { return (r->ringtype != 0); }
 
+/// returns TRUE, if r is not a field and r has no zero divisors (i.e is a domain)
 static inline BOOLEAN nCoeff_is_Domain(const coeffs r)
 { return (r->ringtype == 4 || r->ringtype == 0); }
 
+/// returns TRUE, if r is not a field and r has non-trivial units
 static inline BOOLEAN nCoeff_has_Units(const coeffs r)
 { return ((r->ringtype == 1) || (r->ringtype == 2) || (r->ringtype == 3)); }
@@ -423 +425 @@
 { return getCoeffType(r)==n_CF; }
 
+/// TRUE, if the computation of the inverse is fast (i.e. prefer leading coeff. 1 over content)
 static inline BOOLEAN nCoeff_has_simple_inverse(const coeffs r)
 { return r->has_simple_Inverse; }
 /* Z/2^n, Z/p, GF(p,n), R, long_R, long_C*/
 
+/// TRUE if n_Delete/n_New are empty operations
 static inline BOOLEAN nCoeff_has_simple_Alloc(const coeffs r)
 { return r->has_simple_Alloc; }