Changeset 2fad8f in git

Timestamp:

Jan 20, 2023, 3:02:11 PM (16 months ago)

Author:

Hans Schoenemann <hannes@…>

Branches:

(u'fieker-DuVal', '117eb8c30fc9e991c4decca4832b1d19036c4c65')(u'spielwiese', 'b4f17ed1d25f93d46dbe29e4b499baecc2fd51bb')

Children:

593673ae958ceeda0bbaa65e1eff4091eeff7760

Parents:

86bee1ff8da4bba6e2fbca2c65db204d0ae10144

Message:

opt: use of std (for already computed SB)

Location:

Singular/LIB

Files:

• deform.lib (modified) (2 diffs)
• homolog.lib (modified) (1 diff)

Singular/LIB/deform.lib

@@ -674 +674 @@
 {
   poly p = product(maxideal(1));
-       M = std(M);
-  matrix A;
+  M = std(M);
   if (size(#)>0) { p=#[2]; module kbaseM=#[1];}
   else
@@ -682 +681 @@
   }
   N = reduce(N,M);
+  matrix A;
   if (simplify(N,10)[1]==[0]) {return(A);}
   A = coeffs(N,kbaseM,p);

Singular/LIB/homolog.lib

@@ -1102 +1102 @@
 {"EXAMPLE";    echo=2;
   ring r;
-  ideal id=maxideal(4);
-  qring qr=std(id);
+  ideal id=maxideal(4); // GB
+  qring qr=id;
   module N=maxideal(3)*freemodule(2);
   module M=maxideal(2)*freemodule(2);