Full support for Complex cosh and acosh.

rakudo · Oct 3, 2009 · fc29434 · fc29434
1 parent 16a2810
commit fc29434
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Showing 3 changed files with 20 additions and 4 deletions.
diff --git a/src/setting/Any-num.pm b/src/setting/Any-num.pm
@@ -118,7 +118,7 @@ class Any is also {
         self.Num.sinh($base);
     }
 
-    our Num multi method cosh($base = 'radians') is export {
+    our Num multi method cosh($base = 'radians') {
         self.Num.cosh($base);
     }
 
@@ -170,7 +170,7 @@ class Any is also {
         self.Num.asinh($base);
     }
 
-    our Num multi method acosh($base = 'radians') is export {
+    our Num multi method acosh($base = 'radians') {
         self.Num.acosh($base);
     }
 
@@ -252,6 +252,14 @@ multi sub asinh($x, $base = 'radians') {
     $x.asinh($base)
 }
 
+multi sub cosh($x, $base = 'radians') {
+    $x.cosh($base)
+}
+
+multi sub acosh($x, $base = 'radians') {
+    $x.acosh($base)
+}
+
 our Num sub rand (*@args) {
     die "too many arguments passed - 0 params expected" if @args;
     1.rand

diff --git a/src/setting/Complex.pm b/src/setting/Complex.pm
@@ -80,6 +80,14 @@ class Complex {
         (self + sqrt(1 + self * self)).log!from-radians($base);
     }
 
+    multi method cosh($base = 'radians') {
+        (1i * self).cos($base);
+    }
+
+    multi method acosh($base = 'radians') {
+        (self + sqrt(self * self - 1)).log!from-radians($base);
+    }
+
     multi method log() {
         Q:PIR {
             $P0 = get_root_namespace ['parrot'; 'Complex' ]

diff --git a/src/setting/Num.pm b/src/setting/Num.pm
@@ -34,7 +34,7 @@ class Num is also {
         $r!from-radians($base)
     }
 
-    our Num multi method acosh($base = 'radians') is export {
+    our Num multi method acosh($base = 'radians') {
         my $r = Q:PIR {
             $N0 = self
             $N1 = $N0 * $N0
@@ -176,7 +176,7 @@ class Num is also {
         };
     }
 
-    our Num multi method cosh($base = 'radians') is export {
+    our Num multi method cosh($base = 'radians') {
         my $x = self!to-radians($base);
         Q:PIR {
             $P0 = find_lex "$x"