1 files changed, 17 insertions, 0 deletions
diff --git a/translate/grt/config/win32.c b/translate/grt/config/win32.c
index 18e5a2d..465f929 100644
--- a/translate/grt/config/win32.c
+++ b/translate/grt/config/win32.c
@@ -130,6 +130,23 @@ __ghdl_run_through_longjump (int (*func)(void))
   return res;
 }
 
+#include <math.h>
+
+double acosh (double x)
+{
+  return log (x + sqrt (x*x - 1));
+}
+
+double asinh (double x)
+{
+  return log (x + sqrt (x*x + 1));
+}
+
+double atanh (double x)
+{
+  return log ((1 + x) / (1 - x)) / 2;
+}
+
 #ifndef WITH_GNAT_RUN_TIME
 void __gnat_raise_storage_error(void)
 {