From e051d4933818edc42cb491d807090c7827a92ce6 Mon Sep 17 00:00:00 2001
From: Sei Lisa <sei-lisa@email.fake>
Date: Wed, 18 Oct 2017 02:42:58 +0200
Subject: [PATCH] llAsin and llAcos return indet for indet input.

---
 lslopt/lslbasefuncs.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lslopt/lslbasefuncs.py b/lslopt/lslbasefuncs.py
index de56892..80e83db 100644
--- a/lslopt/lslbasefuncs.py
+++ b/lslopt/lslbasefuncs.py
@@ -867,7 +867,7 @@ def llAbs(i):
 def llAcos(f):
     f = ff(f)
     try:
-        return F32(math.acos(f))
+        return F32(math.acos(f)) if not math.isnan(f) else f
     except ValueError:
         return NaN
 
@@ -879,7 +879,7 @@ def llAngleBetween(r1, r2):
 def llAsin(f):
     f = ff(f)
     try:
-        return F32(math.asin(f))
+        return F32(math.asin(f)) if not math.isnan(f) else f
     except ValueError:
         return NaN