cosh and log10 are already C89.

diff --git a/ext/POSIX/POSIX.xs b/ext/POSIX/POSIX.xs
index a8b115d..ff8d327 100644 (file)
--- a/ext/POSIX/POSIX.xs
+++ b/ext/POSIX/POSIX.xs
@@ -408,9 +408,13 @@
 
   Win32 does seem to have these:
 
-  acosh asinh atanh cbrt copysign cosh expm1 hypot log10 nan
+  acosh asinh atanh cbrt copysign expm1 hypot nan
   nearbyint nextafter nexttoward remainder round scalbn
 
+  Win32 also has these additional math functions:
+
+  log10
+
   And the Bessel functions are defined like _this.
 */