1.0.1.30: Fix READ/WRITE-SEQUENCE on simple-vectors

[sbcl.git] / src / code / irrat.lisp

diff --git a/src/code/irrat.lisp b/src/code/irrat.lisp
index 07faa5c..5f901c9 100644 (file)
--- a/src/code/irrat.lisp
+++ b/src/code/irrat.lisp
@@ -46,8 +46,11 @@
              `(defun ,name ,ll (,name ,@ll))))
   (def %atan2 (x y))
   (def %atan (x))
+  (def %tan (x))
   (def %tan-quick (x))
+  (def %cos (x))
   (def %cos-quick (x))
+  (def %sin (x))
   (def %sin-quick (x))
   (def %sqrt (x))
   (def %log (x))
@@ -73,16 +76,36 @@
 #!-x86 (def-math-rtn "atan2" 2)
 (def-math-rtn "sinh" 1)
 (def-math-rtn "cosh" 1)
-(def-math-rtn "tanh" 1)
-(def-math-rtn "asinh" 1)
-(def-math-rtn "acosh" 1)
-(def-math-rtn "atanh" 1)
+#!-win32
+(progn
+  (def-math-rtn "tanh" 1)
+  (def-math-rtn "asinh" 1)
+  (def-math-rtn "acosh" 1)
+  (def-math-rtn "atanh" 1))
+#!+win32
+(progn
+  (declaim (inline %tanh))
+  (defun %tanh (number)
+    (/ (%sinh number) (%cosh number)))
+  (declaim (inline %asinh))
+  (defun %asinh (number)
+    (log (+ number (sqrt (+ (* number number) 1.0d0))) #.(exp 1.0d0)))
+  (declaim (inline %acosh))
+  (defun %acosh (number)
+    (log (+ number (sqrt (- (* number number) 1.0d0))) #.(exp 1.0d0)))
+  (declaim (inline %atanh))
+  (defun %atanh (number)
+    (let ((ratio (/ (+ 1 number) (- 1 number))))
+      ;; Were we effectively zero?
+      (if (= ratio -1.0d0)
+          0.0d0
+          (/ (log ratio #.(exp 1.0d0)) 2.0d0)))))
 
 ;;; exponential and logarithmic
 #!-x86 (def-math-rtn "exp" 1)
 #!-x86 (def-math-rtn "log" 1)
 #!-x86 (def-math-rtn "log10" 1)
-(def-math-rtn "pow" 2)
+#!-win32(def-math-rtn "pow" 2)
 #!-(or x86 x86-64) (def-math-rtn "sqrt" 1)
 (def-math-rtn "hypot" 2)
 #!-(or hpux x86) (def-math-rtn "log1p" 1)