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authornsz <nsz@port70.net>2012-03-18 19:27:39 +0100
committernsz <nsz@port70.net>2012-03-18 19:27:39 +0100
commit9b6899f2c5cec70af6cea80ead7ba98fd2366ce9 (patch)
treeb00581953a70005aaed0760cb62cd77bd269df5c /src/math/llrintf.c
parent9e2a895aaaa4a3985e94ae4f3e24c1af65f9bb34 (diff)
downloadmusl-9b6899f2c5cec70af6cea80ead7ba98fd2366ce9.tar.gz
faster lrint and llrint functions
A faster workaround for spurious inexact exceptions when the result cannot be represented. The old code actually could be wrong, because gcc reordered the integer conversion and the exception check.
Diffstat (limited to 'src/math/llrintf.c')
-rw-r--r--src/math/llrintf.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/math/llrintf.c b/src/math/llrintf.c
index f06a3c27..e41b6d41 100644
--- a/src/math/llrintf.c
+++ b/src/math/llrintf.c
@@ -1,6 +1,8 @@
-#define type float
-#define roundit rintf
-#define dtype long long
-#define fn llrintf
+#include <math.h>
-#include "lrint.c"
+/* assumes LLONG_MAX > 2^24, see comments in lrint.c */
+
+long long llrintf(float x)
+{
+ return rintf(x);
+}