X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Ftest%2Ftest-json.c;h=00768358bf4469105b7ee05e43b2f0c6a3c51559;hb=30c873fbfb9bb291330d50aae8fb67d774a0e4f8;hp=8777cf7a401d060837a0976edd19ac4bd52e8ed1;hpb=e7eebcfc42f00aa481ef31abc8e7e243c16f5b2c;p=elogind.git

diff --git a/src/test/test-json.c b/src/test/test-json.c
index 8777cf7a4..00768358b 100644
--- a/src/test/test-json.c
+++ b/src/test/test-json.c
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <math.h>
+
 #include "log.h"
 #include "util.h"
 #include "json.h"
@@ -52,7 +54,7 @@ static void test_one(const char *data, ...) {
                         double d;
 
                         d = va_arg(ap, double);
-                        assert_se(abs(d - v.real) < 0.001);
+                        assert_se(fabs(d - v.real) < 0.001);
 
                 } else if (t == JSON_INTEGER) {
                         intmax_t i;