Changeset 16770:84f81aa993a4

Timestamp:

01/18/10 05:43:48 (3 years ago)

Author:

William Stein <wstein@…>

Branch:

default

Message:

Trac #5646: Vectors over CDF allow a coercion from scalars

File:

• sage/modules/vector_double_dense.pyx (modified) (2 diffs)

sage/modules/vector_double_dense.pyx

@@ -169 +169 @@
             sage: vector(RDF, 4, range(4))
             (0.0, 1.0, 2.0, 3.0)
+            
+            sage: V = RDF^2
+            sage: V._element_class(V, 5)
+            Traceback (most recent call last):
+            ...
+            TypeError: entries must be a list or 0
+            sage: V._element_class(V, 0)
+            (0.0, 0.0)
         """
         cdef Py_ssize_t i,j
@@ -195 +203 @@
                     raise TypeError("cannot coerce entry to type %s"%self._python_dtype)
                 if z != 0:
+                    raise TypeError("entries must be a list or 0")
+                else:
+                    # Set all entries to z=0.
                     for i from 0<=i<self._degree:
                         self.set_unsafe(i,z)