From 9c3384e86bea3e97d74e7c4a4a1112266f56654c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 30 Jan 2017 13:45:20 +0100
Subject: [PATCH] [liba] Clean warnings: overflows due to INFINITY constant

Change-Id: I8a454e673afa7e4190f3d2ed74006622597b275b
---
 liba/include/math.h | 2 +-
 liba/test/ieee754.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/liba/include/math.h b/liba/include/math.h
index 997c1240d..033059079 100644
--- a/liba/include/math.h
+++ b/liba/include/math.h
@@ -6,7 +6,7 @@
 LIBA_BEGIN_DECLS
 
 #define NAN (0.0f/0.0f)
-#define INFINITY 1e50f
+#define INFINITY __builtin_inff()
 #define M_E 2.71828182845904523536028747135266250
 #define M_PI 3.14159265358979323846264338327950288
 
diff --git a/liba/test/ieee754.c b/liba/test/ieee754.c
index c59875ac5..6974c432b 100644
--- a/liba/test/ieee754.c
+++ b/liba/test/ieee754.c
@@ -1,5 +1,6 @@
 #include <quiz.h>
 #include <assert.h>
+#include <math.h>
 #include <private/ieee754.h>
 
 QUIZ_CASE(liba_ieee754) {
@@ -9,4 +10,5 @@ QUIZ_CASE(liba_ieee754) {
   assert(ieee754exp(555.555f) == 136);
   assert(ieee754man(0.007f) == 6643778);
   assert(ieee754exp(0.007f) == 119);
+  assert(isinf(INFINITY));
 }