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* lib/matrix.rb (eql?, ==, minor): Fix bugs when comparing/returning

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some empty matrices.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28167 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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marcandre 2010-06-05 04:18:08 +00:00
parent 87c1da091c
commit 159fd9ee6c
2 changed files with 10 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Sat Jun 5 13:13:30 2010 Marc-Andre Lafortune <ruby-core@marc-andre.ca>
* lib/matrix.rb (eql?, ==, minor): Fix bugs when comparing/returning
some empty matrices.
Sat Jun 5 11:00:48 2010 Tanaka Akira <akr@fsij.org>
* error.c (rb_name_err_mesg_new): guard mesg, recv and method.

8
lib/matrix.rb
View file

@ -442,7 +442,7 @@ class Matrix
rows = @rows[from_row, size_row].collect{|row|
row[from_col, size_col]
}
new_matrix rows, column_size - from_col
new_matrix rows, [column_size - from_col, size_col].min
end
#--
@ -493,12 +493,14 @@ class Matrix
# Returns +true+ if and only if the two matrices contain equal elements.
#
def ==(other)
return false unless Matrix === other
return false unless Matrix === other &&
column_size == other.column_size # necessary for empty matrices
rows == other.rows
end
def eql?(other)
return false unless Matrix === other
return false unless Matrix === other &&
column_size == other.column_size # necessary for empty matrices
rows.eql? other.rows
end