[gnumeric] MULTINOMIAL: Add range check.

[Morten Welinder <mortenw src gnome org>]

commit 3669a0bbe63f0555c9e9cd8ea826629631b54537
Author: Morten Welinder <terra gnome org>
Date:   Tue May 14 09:31:23 2013 -0400

    MULTINOMIAL: Add range check.
    
    Barf of insanely large values.

 ChangeLog       |    5 +++++
 src/rangefunc.c |    4 +---
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index df77836..4972400 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-14  Morten Welinder  <terra gnome org>
+
+       * src/rangefunc.c (gnm_range_multinomial): Add range check.
+       (gnm_range_geometric_mean): Handle two FIXMEs.
+
 2013-05-13  Morten Welinder  <terra gnome org>
 
        * src/*.c: Mark gobject property strings as P_(...).
diff --git a/src/rangefunc.c b/src/rangefunc.c
index 2a36a72..2eab119 100644
--- a/src/rangefunc.c
+++ b/src/rangefunc.c
@@ -273,11 +273,9 @@ gnm_range_geometric_mean (gnm_float const *xs, int n, gnm_float *res)
        int exp2;
        gboolean zerop, anynegp;
 
-       /* FIXME: check empty case.  */
        if (n < 1)
                return 1;
 
-       /* FIXME: check zero case.  */
        product_helper (xs, n, res, &exp2, &zerop, &anynegp);
        if (zerop || anynegp)
                return 1;
@@ -321,7 +319,7 @@ gnm_range_multinomial (gnm_float const *xs, int n, gnm_float *res)
                gnm_float x = xs[i];
                int xi;
 
-               if (x < 0)
+               if (x < 0 || x > INT_MAX)
                        return 1;
 
                xi = (int)x;