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ruby-changes:40388

From: gogotanaka <ko1@a...>
Date: Sat, 7 Nov 2015 00:11:56 +0900 (JST)
Subject: [ruby-changes:40388] gogotanaka:r52469 (trunk): * lib/cmath.rb: methods which has suffix '!' are now deprecated.

gogotanaka	2015-11-07 00:11:39 +0900 (Sat, 07 Nov 2015)

  New Revision: 52469

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52469

  Log:
    * lib/cmath.rb: methods which has suffix '!' are now deprecated.

  Modified files:
    trunk/ChangeLog
    trunk/NEWS
    trunk/lib/cmath.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 52468)
+++ ChangeLog	(revision 52469)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sat Nov  7 00:03:50 2015  Kazuki Tanaka  <gogotanaka@r...>
+
+	* lib/cmath.rb: methods which has suffix '!' are now deprecated.
+	  [ruby-core:68528] [Feature #10974]
+
 Fri Nov  6 23:13:53 2015  Kazuki Tanaka  <gogotanaka@r...>
 
 	* array.c: clarifies Array#reject! documentation.
Index: lib/cmath.rb
===================================================================
--- lib/cmath.rb	(revision 52468)
+++ lib/cmath.rb	(revision 52469)
@@ -23,29 +23,32 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L23
 
   include Math
 
-  alias exp! exp
-  alias log! log
-  alias log2! log2
-  alias log10! log10
-  alias sqrt! sqrt
-  alias cbrt! cbrt
-
-  alias sin! sin
-  alias cos! cos
-  alias tan! tan
-
-  alias sinh! sinh
-  alias cosh! cosh
-  alias tanh! tanh
-
-  alias asin! asin
-  alias acos! acos
-  alias atan! atan
-  alias atan2! atan2
-
-  alias asinh! asinh
-  alias acosh! acosh
-  alias atanh! atanh
+  %w[
+    exp
+    log
+    log2
+    log10
+    sqrt
+    cbrt
+    sin
+    cos
+    tan
+    sinh
+    cosh
+    tanh
+    asin
+    acos
+    atan
+    atan2
+    asinh
+    acosh
+    atanh
+  ].each do |meth|
+    define_method(meth + '!') do |*args, &block|
+      warn("CMath##{meth}! is deprecated; use CMath##{meth} or Math##{meth}") if $VERBOSE
+      Math.send(meth, *args, &block)
+    end
+  end
 
   ##
   # Math::E raised to the +z+ power
@@ -54,11 +57,11 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L57
   def exp(z)
     begin
       if z.real?
-        exp!(z)
+        Math.exp(z)
       else
-        ere = exp!(z.real)
-        Complex(ere * cos!(z.imag),
-                ere * sin!(z.imag))
+        ere = Math.exp(z.real)
+        Complex(ere * Math.cos(z.imag),
+                ere * Math.sin(z.imag))
       end
     rescue NoMethodError
       handle_no_method_error
@@ -74,9 +77,9 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L77
   def log(z, b=::Math::E)
     begin
       if z.real? && z >= 0 && b >= 0
-        log!(z, b)
+        Math.log(z, b)
       else
-        Complex(log!(z.abs), z.arg) / log(b)
+        Complex(Math.log(z.abs), z.arg) / log(b)
       end
     rescue NoMethodError
       handle_no_method_error
@@ -90,9 +93,9 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L93
   def log2(z)
     begin
       if z.real? and z >= 0
-        log2!(z)
+        Math.log2(z)
       else
-        log(z) / log!(2)
+        log(z) / Math.log(2)
       end
     rescue NoMethodError
       handle_no_method_error
@@ -106,9 +109,9 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L109
   def log10(z)
     begin
       if z.real? and z >= 0
-        log10!(z)
+        Math.log10(z)
       else
-        log(z) / log!(10)
+        log(z) / Math.log(10)
       end
     rescue NoMethodError
       handle_no_method_error
@@ -123,9 +126,9 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L126
     begin
       if z.real?
         if z < 0
-          Complex(0, sqrt!(-z))
+          Complex(0, Math.sqrt(-z))
         else
-          sqrt!(z)
+          Math.sqrt(z)
         end
       else
         if z.imag < 0 ||
@@ -134,7 +137,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L137
         else
           r = z.abs
           x = z.real
-          Complex(sqrt!((r + x) / 2.0), sqrt!((r - x) / 2.0))
+          Complex(Math.sqrt((r + x) / 2.0), Math.sqrt((r - x) / 2.0))
         end
       end
     rescue NoMethodError
@@ -157,10 +160,10 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L160
   def sin(z)
     begin
       if z.real?
-        sin!(z)
+        Math.sin(z)
       else
-        Complex(sin!(z.real) * cosh!(z.imag),
-                cos!(z.real) * sinh!(z.imag))
+        Complex(Math.sin(z.real) * Math.cosh(z.imag),
+                Math.cos(z.real) * Math.sinh(z.imag))
       end
     rescue NoMethodError
       handle_no_method_error
@@ -174,10 +177,10 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L177
   def cos(z)
     begin
       if z.real?
-        cos!(z)
+        Math.cos(z)
       else
-        Complex(cos!(z.real) * cosh!(z.imag),
-                -sin!(z.real) * sinh!(z.imag))
+        Complex(Math.cos(z.real) * Math.cosh(z.imag),
+                -Math.sin(z.real) * Math.sinh(z.imag))
       end
     rescue NoMethodError
       handle_no_method_error
@@ -191,7 +194,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L194
   def tan(z)
     begin
       if z.real?
-        tan!(z)
+        Math.tan(z)
       else
         sin(z) / cos(z)
       end
@@ -207,10 +210,10 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L210
   def sinh(z)
     begin
       if z.real?
-        sinh!(z)
+        Math.sinh(z)
       else
-        Complex(sinh!(z.real) * cos!(z.imag),
-                cosh!(z.real) * sin!(z.imag))
+        Complex(Math.sinh(z.real) * Math.cos(z.imag),
+                Math.cosh(z.real) * Math.sin(z.imag))
       end
     rescue NoMethodError
       handle_no_method_error
@@ -224,10 +227,10 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L227
   def cosh(z)
     begin
       if z.real?
-        cosh!(z)
+        Math.cosh(z)
       else
-        Complex(cosh!(z.real) * cos!(z.imag),
-                sinh!(z.real) * sin!(z.imag))
+        Complex(Math.cosh(z.real) * Math.cos(z.imag),
+                Math.sinh(z.real) * Math.sin(z.imag))
       end
     rescue NoMethodError
       handle_no_method_error
@@ -241,7 +244,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L244
   def tanh(z)
     begin
       if z.real?
-        tanh!(z)
+        Math.tanh(z)
       else
         sinh(z) / cosh(z)
       end
@@ -257,7 +260,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L260
   def asin(z)
     begin
       if z.real? and z >= -1 and z <= 1
-        asin!(z)
+        Math.asin(z)
       else
         (-1.0).i * log(1.0.i * z + sqrt(1.0 - z * z))
       end
@@ -273,7 +276,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L276
   def acos(z)
     begin
       if z.real? and z >= -1 and z <= 1
-        acos!(z)
+        Math.acos(z)
       else
         (-1.0).i * log(z + 1.0.i * sqrt(1.0 - z * z))
       end
@@ -289,7 +292,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L292
   def atan(z)
     begin
       if z.real?
-        atan!(z)
+        Math.atan(z)
       else
         1.0.i * log((1.0.i + z) / (1.0.i - z)) / 2.0
       end
@@ -306,7 +309,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L309
   def atan2(y,x)
     begin
       if y.real? and x.real?
-        atan2!(y,x)
+        Math.atan2(y,x)
       else
         (-1.0).i * log((x + 1.0.i * y) / sqrt(x * x + y * y))
       end
@@ -322,7 +325,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L325
   def asinh(z)
     begin
       if z.real?
-        asinh!(z)
+        Math.asinh(z)
       else
         log(z + sqrt(1.0 + z * z))
       end
@@ -338,7 +341,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L341
   def acosh(z)
     begin
       if z.real? and z >= 1
-        acosh!(z)
+        Math.acosh(z)
       else
         log(z + sqrt(z * z - 1.0))
       end
@@ -354,7 +357,7 @@ module CMath https://github.com/ruby/ruby/blob/trunk/lib/cmath.rb#L357
   def atanh(z)
     begin
       if z.real? and z >= -1 and z <= 1
-        atanh!(z)
+        Math.atanh(z)
       else
         log((1.0 + z) / (1.0 - z)) / 2.0
       end
Index: NEWS
===================================================================
--- NEWS	(revision 52468)
+++ NEWS	(revision 52469)
@@ -181,6 +181,9 @@ with all sufficient information, see the https://github.com/ruby/ruby/blob/trunk/NEWS#L181
 * lib/matrix.rb
  * Add Vector#round. https://github.com/ruby/ruby/pull/802
 
+* lib/cmath.rb
+ * methods which has suffix '!' are now deprecated.
+
 * ext/coverage/coverage.c
   * Coverage.peek_result: new method to allow coverage to be captured without
     stopping the coverage tool.

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