@@ -49,11 +49,11 @@
 #ifdef HAVE_GMTIME_R
 # define GMTIME_RET(field)						\
 	time_t seconds = (time_t)_seconds;				\
 	struct tm tm;							\
 									\
-	if (seconds != floor(_seconds))					\
+	if (seconds != trunc(_seconds))					\
 		@throw [OFOutOfRangeException exception];		\
 									\
 	if (gmtime_r(&seconds, &tm) == NULL)				\
 		@throw [OFOutOfRangeException exception];		\
 									\
@@ -60,11 +60,11 @@
 	return tm.field;
 # define LOCALTIME_RET(field)						\
 	time_t seconds = (time_t)_seconds;				\
 	struct tm tm;							\
 									\
-	if (seconds != floor(_seconds))					\
+	if (seconds != trunc(_seconds))					\
 		@throw [OFOutOfRangeException exception];		\
 									\
 	if (localtime_r(&seconds, &tm) == NULL)				\
 		@throw [OFOutOfRangeException exception];		\
 									\
@@ -73,11 +73,11 @@
 # ifdef OF_HAVE_THREADS
 #  define GMTIME_RET(field)						\
 	time_t seconds = (time_t)_seconds;				\
 	struct tm *tm;							\
 									\
-	if (seconds != floor(_seconds))					\
+	if (seconds != trunc(_seconds))					\
 		@throw [OFOutOfRangeException exception];		\
 									\
 	[mutex lock];							\
 									\
 	@try {								\
@@ -90,11 +90,11 @@
 	}
 #  define LOCALTIME_RET(field)						\
 	time_t seconds = (time_t)_seconds;				\
 	struct tm *tm;							\
 									\
-	if (seconds != floor(_seconds))					\
+	if (seconds != trunc(_seconds))					\
 		@throw [OFOutOfRangeException exception];		\
 									\
 	[mutex lock];							\
 									\
 	@try {								\
@@ -108,11 +108,11 @@
 # else
 #  define GMTIME_RET(field)						\
 	time_t seconds = (time_t)_seconds;				\
 	struct tm *tm;							\
 									\
-	if (seconds != floor(_seconds))					\
+	if (seconds != trunc(_seconds))					\
 		@throw [OFOutOfRangeException exception];		\
 									\
 	if ((tm = gmtime(&seconds)) == NULL)				\
 		@throw [OFOutOfRangeException exception];		\
 									\
@@ -119,11 +119,11 @@
 	return tm->field;
 #  define LOCALTIME_RET(field)						\
 	time_t seconds = (time_t)_seconds;				\
 	struct tm *tm;							\
 									\
-	if (seconds != floor(_seconds))					\
+	if (seconds != trunc(_seconds))					\
 		@throw [OFOutOfRangeException exception];		\
 									\
 	if ((tm = localtime(&seconds)) == NULL)				\
 		@throw [OFOutOfRangeException exception];		\
 									\
@@ -499,11 +499,11 @@
 	return [ret autorelease];
 }
 
 - (uint32_t)microsecond
 {
-	return (uint32_t)((_seconds - floor(_seconds)) * 1000000);
+	return (uint32_t)((_seconds - trunc(_seconds)) * 1000000);
 }
 
 - (uint8_t)second
 {
 	GMTIME_RET(tm_sec)
@@ -589,11 +589,11 @@
 	char *buffer;
 #else
 	wchar_t *buffer;
 #endif
 
-	if (seconds != floor(_seconds))
+	if (seconds != trunc(_seconds))
 		@throw [OFOutOfRangeException exception];
 
 #ifdef HAVE_GMTIME_R
 	if (gmtime_r(&seconds, &tm) == NULL)
 		@throw [OFOutOfRangeException exception];
@@ -649,11 +649,11 @@
 	char *buffer;
 #else
 	wchar_t *buffer;
 #endif
 
-	if (seconds != floor(_seconds))
+	if (seconds != trunc(_seconds))
 		@throw [OFOutOfRangeException exception];
 
 #ifdef HAVE_LOCALTIME_R
 	if (localtime_r(&seconds, &tm) == NULL)
 		@throw [OFOutOfRangeException exception];