Changeset a1ec00e in git for factory

Timestamp:

Dec 17, 1997, 12:30:06 PM (26 years ago)

Author:

Jens Schmidt <schmidt@…>

Branches:

(u'spielwiese', 'd1b01e9d51ade4b46b745d3bada5c5f3696be3a8')

Children:

535f7b551d1182f53551d206bdf73560068248cf

Parents:

f2b01eca27ace002359c34b3357e1f36bfdc519e

Message:

	* int_cf.cc (InternalCF::sign): method made pure virtual.
	  Declaration adapted.

	* int_cf.cc (taildegree): bug fix.  Did not check whether CO is
	  zero.

	* int_cf.cc (coeff): explicit cast to CanonicalForm added

	* int_cf.cc (comparecoeff): function made pure virtual.
	  Declarations adapted.


git-svn-id: file:///usr/local/Singular/svn/trunk@987 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• factory/int_cf.cc (modified) (7 diffs)

factory/int_cf.cc

@@ -1 +1 @@
 /* emacs edit mode for this file is -*- C++ -*- */
-/* $Id: int_cf.cc,v 1.8 1997-10-10 10:49:53 schmidt Exp $ */
+/* $Id: int_cf.cc,v 1.9 1997-12-17 11:30:06 schmidt Exp $ */
 
 #include <config.h>
@@ -55 +55 @@
 InternalCF::taildegree ()
 {
-    return 0;
+    if ( isZero() )
+        return -1;
+    else
+        return 0;
 }
 //}}}
@@ -74 +77 @@
 //}}}
 
-//{{{ int InternalCF::sign () const
-// docu: see CanonicalForm::sign()
-int
-InternalCF::sign () const
-{
-    ASSERT1( 0, "fatal error: not implemented for class %s", this->classname() );
-    return 0;
-}
-//}}}
-
 //{{{ InternalCF * InternalCF::sqrt ()
 // docu: see CanonicalForm::sqrt()
@@ -89 +82 @@
 InternalCF::sqrt ()
 {
-    ASSERT1( 0, "fatal error: not implemented for class %s", this->classname() );
+    ASSERT1( 0, "sqrt() not implemented for class %s", this->classname() );
     return 0;
 }
@@ -99 +92 @@
 InternalCF::ilog2 ()
 {
-    ASSERT1( 0, "fatal error: not implemented for class %s", this->classname() );
+    ASSERT1( 0, "ilog2() not implemented for class %s", this->classname() );
     return 0;
 }
 //}}}
 
+//{{{ CanonicalForm InternalCF::coeff ( int i )
+// docu: see CanonicalForm::operator []()
 CanonicalForm
 InternalCF::coeff ( int i )
@@ -110 +105 @@
         return CanonicalForm( copyObject() );
     else
-        return 0;
+        return CanonicalForm( 0 );
 }
+//}}}
 
 int
 InternalCF::intval() const
 {
-    ASSERT1( 0, "illegal conversion: not implemented for class %s", this->classname() );
+    ASSERT1( 0, "intval() not implemented for class %s", this->classname() );
     return 0;
 }
@@ -123 +119 @@
 InternalCF::invert()
 {
-    ASSERT1( 0, "internal factory error: not implemented for class %s", this->classname() );
+    ASSERT1( 0, "invert() not implemented for class %s", this->classname() );
     return 0;
 }
-
-int
-InternalCF::comparecoeff ( InternalCF* )
-{
-    ASSERT1( 0, "fatal error: not implemented for class %s", this->classname() );
-    return 0;
-}