X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fhash.c;h=627751e16adcdd8d9dacee018a44741de2c17903;hb=a9afcdd22;hp=9da3deb120a92ba0ee3423f78441ad85dd9ab22f;hpb=06a34a11908066ab5949d4b36c7fc5b7f44e88bb;p=pspp-builds.git

diff --git a/src/libpspp/hash.c b/src/libpspp/hash.c
index 9da3deb1..627751e1 100644
--- a/src/libpspp/hash.c
+++ b/src/libpspp/hash.c
@@ -20,6 +20,7 @@
 #include "message.h"
 #include <assert.h>
 #include <ctype.h>
+#include <gsl/gsl_math.h>
 #include <limits.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -133,7 +134,7 @@ hsh_hash_int (int i)
 unsigned
 hsh_hash_double (double d)
 {
-  if (!isnan (d))
+  if (!gsl_isnan (d))
     return hsh_hash_bytes (&d, sizeof d);
   else
     return 0;