From df695c4933cfe807c4889dce30a27800e2e2dc85 Mon Sep 17 00:00:00 2001
From: Kosma Moczek <kosma@cloudyourcar.com>
Date: Tue, 17 Jun 2014 12:22:48 +0200
Subject: [PATCH] tests: prevent compiler warning when comparing floats

---
 tests.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tests.c b/tests.c
index da7683f..6ee4228 100644
--- a/tests.c
+++ b/tests.c
@@ -640,6 +640,11 @@ START_TEST(test_minmea_rescale)
 }
 END_TEST
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfloat-equal"
+/* The float values used in tests should be exactly representable under IEEE754;
+ * false negatives will occur otherwise. */
+
 START_TEST(test_minmea_float)
 {
     ck_assert(isnan(minmea_tofloat(&(struct minmea_float) { 42, 0 })));
@@ -658,6 +663,8 @@ START_TEST(test_minmea_coord)
 }
 END_TEST
 
+#pragma GCC diagnostic pop
+
 Suite *minmea_suite(void)
 {
     Suite *s = suite_create ("minmea");