[gnumeric] OWENT: fix type in a==1 case.

[Morten Welinder <mortenw src gnome org>]

commit 9b126dd016e7486845166b4ec93b92bfa027b7db
Author: Morten Welinder <terra gnome org>
Date:   Fri Apr 12 08:46:00 2013 -0400

    OWENT: fix type in a==1 case.

 ChangeLog      |    5 +++++
 src/mathfunc.c |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 1330392..b85d11a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-12  Morten Welinder  <terra gnome org>
+
+       * src/mathfunc.c (gnm_owent): Fix a==1 special case.  Part of
+       #697850.
+
 2013-04-11  Morten Welinder  <terra gnome org>
 
        * src/parse-util.c (rangeref_parse): Parse Sheet!#REF and return a
diff --git a/src/mathfunc.c b/src/mathfunc.c
index d82ad35..7d3dc11 100644
--- a/src/mathfunc.c
+++ b/src/mathfunc.c
@@ -7071,7 +7071,7 @@ gnm_owent (gnm_float h, gnm_float a)
                res = gnm_atan (a) / (2 * M_PIgnum);
        else if (a == 1)
                res = 0.5 * pnorm (h, 0, 1, TRUE, FALSE) *
-                       pnorm (h, 0, 1, FALSE, TRUE);
+                       pnorm (h, 0, 1, FALSE, FALSE);
        else if (a <= 1)
                res = gnm_owent_helper (h, a);
        else {