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authorDave Reisner <d@falconindy.com>2011-03-17 22:56:17 -0400
committerDan McGee <dan@archlinux.org>2011-03-23 03:43:53 -0500
commit768451c5e3a9e8458ed646f965a9f091de6a4512 (patch)
treef82ae2116f280626b8d21ed680c34b4678af13e5 /lib/libalpm/util.h
parentdb49c4a7f0145bd25ca570f23875065041d13aa4 (diff)
lib/dload.c: fix compiler warnings generated by -Wfloat-equal
* introduces new macro in util.h (DOUBLE_EQ) for properly comparing floating point values Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm/util.h')
-rw-r--r--lib/libalpm/util.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h
index 9f0344fe..1816e360 100644
--- a/lib/libalpm/util.h
+++ b/lib/libalpm/util.h
@@ -36,6 +36,8 @@
#include <time.h>
#include <sys/stat.h> /* struct stat */
#include <archive.h> /* struct archive */
+#include <math.h> /* fabs */
+#include <float.h> /* DBL_EPSILON */
#ifdef ENABLE_NLS
#include <libintl.h> /* here so it doesn't need to be included elsewhere */
@@ -61,6 +63,8 @@
_alpm_log(PM_LOG_DEBUG, "returning error %d from %s : %s\n", err, __func__, alpm_strerrorlast()); \
return (ret); } while(0)
+#define DOUBLE_EQ(x, y) (fabs((x) - (y)) < DBL_EPSILON)
+
/**
* Used as a buffer/state holder for _alpm_archive_fgets().
*/