summaryrefslogtreecommitdiff
path: root/lib/complex.rb
diff options
context:
space:
mode:
Diffstat (limited to 'lib/complex.rb')
-rw-r--r--lib/complex.rb14
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/complex.rb b/lib/complex.rb
index aa5d219..59caad6 100644
--- a/lib/complex.rb
+++ b/lib/complex.rb
@@ -1,8 +1,8 @@
#
# complex.rb -
# $Release Version: 0.5 $
-# $Revision: 1.1 $
-# $Date: 1996/11/11 04:25:19 $
+# $Revision: 1.3 $
+# $Date: 1998/07/08 10:05:28 $
# by Keiju ISHITSUKA(SHL Japan Inc.)
#
# --
@@ -59,6 +59,7 @@ def Complex(a, b = 0)
end
class Complex < Numeric
+ @RCS_ID='-$Id: complex.rb,v 1.3 1998/07/08 10:05:28 keiju Exp keiju $-'
def Complex.generic?(other)
other.kind_of?(Integer) or
@@ -284,6 +285,11 @@ class Complex < Numeric
@real ^ @image
end
+ def inspect
+ sprintf("Complex(%s, %s)", @real.inspect, @image.inspect)
+ end
+
+
I = Complex(0,1)
attr :real
@@ -396,7 +402,7 @@ module Math
cos!(z)
else
Complex(cos!(z.real)*cosh!(z.image),
- sin!(z.real)*sinh!(z.image))
+ -sin!(z.real)*sinh!(z.image))
end
end
@@ -405,7 +411,7 @@ module Math
sin!(z)
else
Complex(sin!(z.real)*cosh!(z.image),
- -cos!(z.real)*sinh!(z.image))
+ cos!(z.real)*sinh!(z.image))
end
end