From: cristy <urban-warrior@git.imagemagick.org>
Date: Tue, 30 Mar 2010 12:34:07 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~9725
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=43c22f4fba4d3e3c613f46057e38aebaac198195;p=imagemagick

---

diff --git a/magick/fx.c b/magick/fx.c
index 14b73e554..3e110b7ec 100644
--- a/magick/fx.c
+++ b/magick/fx.c
@@ -2079,14 +2079,17 @@ static MagickRealType FxEvaluateSubexpression(FxInfo *fx_info,
             exception);
           return((MagickRealType) acos((double) alpha));
         }
+#if defined(MAGICKCORE_HAVE_J1)
       if (LocaleNCompare(expression,"airy",4) == 0)
         {
           alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta,
             exception);
           if (alpha == 0.0)
-            return(0.5);
-          return((MagickRealType) (j0((double) alpha)/alpha));
+            return(0.25);
+          gamma=j1((double) alpha )/alpha;
+          return(gamma*gamma);
         }
+#endif
       if (LocaleNCompare(expression,"asin",4) == 0)
         {
           alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta,