diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | lib/cmath.rb | 23 |
2 files changed, 16 insertions, 11 deletions
@@ -1,3 +1,7 @@ +Thu Jun 11 21:05:09 2009 Tadayoshi Funaba <tadf@dotrb.org> + + * lib/cmath.rb (exp): omitted redundant function call. + Thu Jun 11 17:49:33 2009 Nobuyoshi Nakada <nobu@ruby-lang.org> * ext/bigdecimal/bigdecimal.c (gfCheckVal): never used. diff --git a/lib/cmath.rb b/lib/cmath.rb index 31c5a59c99..d9e53f361a 100644 --- a/lib/cmath.rb +++ b/lib/cmath.rb @@ -28,8 +28,9 @@ module CMath if z.real? exp!(z) else - Complex(exp!(z.real) * cos!(z.imag), - exp!(z.real) * sin!(z.imag)) + ere = exp!(z.real) + Complex(ere * cos!(z.imag), + ere * sin!(z.imag)) end end @@ -94,7 +95,7 @@ module CMath if z.real? tan!(z) else - sin(z)/cos(z) + sin(z) / cos(z) end end @@ -156,14 +157,6 @@ module CMath end end - def acosh(z) - if z.real? and z >= 1 - acosh!(z) - else - log(z + sqrt(z * z - 1.0)) - end - end - def asinh(z) if z.real? asinh!(z) @@ -172,6 +165,14 @@ module CMath end end + def acosh(z) + if z.real? and z >= 1 + acosh!(z) + else + log(z + sqrt(z * z - 1.0)) + end + end + def atanh(z) if z.real? and z >= -1 and z <= 1 atanh!(z) |