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

Re-apply r52469 made by Kazuki Tanaka, with fixing bug about
  mathn.rb compatibility. [ruby-core:68528] [Feature #10974]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52715 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ngoto 2015-11-22 13:09:41 +00:00
Родитель 81a6bd50c2
Коммит d71ead259e
2 изменённых файлов: 69 добавлений и 56 удалений

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@ -1,3 +1,9 @@
Sun Nov 22 21:58:09 2015 Naohisa Goto <ngotogenome@gmail.com>
* lib/cmath.rb: methods which has suffix '!' are now deprecated.
Re-apply r52469 made by Kazuki Tanaka, with fixing bug about
mathn.rb compatibility. [ruby-core:68528] [Feature #10974]
Sun Nov 22 19:36:51 2015 SHIBATA Hiroshi <hsbt@ruby-lang.org>
* ext/openssl/ossl.c: fix brew command for installation of openssl.

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@ -23,29 +23,36 @@ module CMath
include Math
alias exp! exp
alias log! log
alias log2! log2
alias log10! log10
alias sqrt! sqrt
alias cbrt! cbrt
# Backup of Math is needed because mathn.rb replaces Math with CMath.
RealMath = Math # :nodoc:
private_constant :RealMath
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
RealMath.send(meth, *args, &block)
end
end
##
# Math::E raised to the +z+ power
@ -54,11 +61,11 @@ module CMath
def exp(z)
begin
if z.real?
exp!(z)
RealMath.exp(z)
else
ere = exp!(z.real)
Complex(ere * cos!(z.imag),
ere * sin!(z.imag))
ere = RealMath.exp(z.real)
Complex(ere * RealMath.cos(z.imag),
ere * RealMath.sin(z.imag))
end
rescue NoMethodError
handle_no_method_error
@ -74,9 +81,9 @@ module CMath
def log(z, b=::Math::E)
begin
if z.real? && z >= 0 && b >= 0
log!(z, b)
RealMath.log(z, b)
else
Complex(log!(z.abs), z.arg) / log(b)
Complex(RealMath.log(z.abs), z.arg) / log(b)
end
rescue NoMethodError
handle_no_method_error
@ -90,9 +97,9 @@ module CMath
def log2(z)
begin
if z.real? and z >= 0
log2!(z)
RealMath.log2(z)
else
log(z) / log!(2)
log(z) / RealMath.log(2)
end
rescue NoMethodError
handle_no_method_error
@ -106,9 +113,9 @@ module CMath
def log10(z)
begin
if z.real? and z >= 0
log10!(z)
RealMath.log10(z)
else
log(z) / log!(10)
log(z) / RealMath.log(10)
end
rescue NoMethodError
handle_no_method_error
@ -123,9 +130,9 @@ module CMath
begin
if z.real?
if z < 0
Complex(0, sqrt!(-z))
Complex(0, RealMath.sqrt(-z))
else
sqrt!(z)
RealMath.sqrt(z)
end
else
if z.imag < 0 ||
@ -134,7 +141,7 @@ module CMath
else
r = z.abs
x = z.real
Complex(sqrt!((r + x) / 2.0), sqrt!((r - x) / 2.0))
Complex(RealMath.sqrt((r + x) / 2.0), RealMath.sqrt((r - x) / 2.0))
end
end
rescue NoMethodError
@ -157,10 +164,10 @@ module CMath
def sin(z)
begin
if z.real?
sin!(z)
RealMath.sin(z)
else
Complex(sin!(z.real) * cosh!(z.imag),
cos!(z.real) * sinh!(z.imag))
Complex(RealMath.sin(z.real) * RealMath.cosh(z.imag),
RealMath.cos(z.real) * RealMath.sinh(z.imag))
end
rescue NoMethodError
handle_no_method_error
@ -174,10 +181,10 @@ module CMath
def cos(z)
begin
if z.real?
cos!(z)
RealMath.cos(z)
else
Complex(cos!(z.real) * cosh!(z.imag),
-sin!(z.real) * sinh!(z.imag))
Complex(RealMath.cos(z.real) * RealMath.cosh(z.imag),
-RealMath.sin(z.real) * RealMath.sinh(z.imag))
end
rescue NoMethodError
handle_no_method_error
@ -191,7 +198,7 @@ module CMath
def tan(z)
begin
if z.real?
tan!(z)
RealMath.tan(z)
else
sin(z) / cos(z)
end
@ -207,10 +214,10 @@ module CMath
def sinh(z)
begin
if z.real?
sinh!(z)
RealMath.sinh(z)
else
Complex(sinh!(z.real) * cos!(z.imag),
cosh!(z.real) * sin!(z.imag))
Complex(RealMath.sinh(z.real) * RealMath.cos(z.imag),
RealMath.cosh(z.real) * RealMath.sin(z.imag))
end
rescue NoMethodError
handle_no_method_error
@ -224,10 +231,10 @@ module CMath
def cosh(z)
begin
if z.real?
cosh!(z)
RealMath.cosh(z)
else
Complex(cosh!(z.real) * cos!(z.imag),
sinh!(z.real) * sin!(z.imag))
Complex(RealMath.cosh(z.real) * RealMath.cos(z.imag),
RealMath.sinh(z.real) * RealMath.sin(z.imag))
end
rescue NoMethodError
handle_no_method_error
@ -241,7 +248,7 @@ module CMath
def tanh(z)
begin
if z.real?
tanh!(z)
RealMath.tanh(z)
else
sinh(z) / cosh(z)
end
@ -257,7 +264,7 @@ module CMath
def asin(z)
begin
if z.real? and z >= -1 and z <= 1
asin!(z)
RealMath.asin(z)
else
(-1.0).i * log(1.0.i * z + sqrt(1.0 - z * z))
end
@ -273,7 +280,7 @@ module CMath
def acos(z)
begin
if z.real? and z >= -1 and z <= 1
acos!(z)
RealMath.acos(z)
else
(-1.0).i * log(z + 1.0.i * sqrt(1.0 - z * z))
end
@ -289,7 +296,7 @@ module CMath
def atan(z)
begin
if z.real?
atan!(z)
RealMath.atan(z)
else
1.0.i * log((1.0.i + z) / (1.0.i - z)) / 2.0
end
@ -306,7 +313,7 @@ module CMath
def atan2(y,x)
begin
if y.real? and x.real?
atan2!(y,x)
RealMath.atan2(y,x)
else
(-1.0).i * log((x + 1.0.i * y) / sqrt(x * x + y * y))
end
@ -322,7 +329,7 @@ module CMath
def asinh(z)
begin
if z.real?
asinh!(z)
RealMath.asinh(z)
else
log(z + sqrt(1.0 + z * z))
end
@ -338,7 +345,7 @@ module CMath
def acosh(z)
begin
if z.real? and z >= 1
acosh!(z)
RealMath.acosh(z)
else
log(z + sqrt(z * z - 1.0))
end
@ -354,7 +361,7 @@ module CMath
def atanh(z)
begin
if z.real? and z >= -1 and z <= 1
atanh!(z)
RealMath.atanh(z)
else
log((1.0 + z) / (1.0 - z)) / 2.0
end