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authorKacper <kacper@mail.openlinux.dev>2025-12-09 19:20:15 +0100
committerKacper <kacper@mail.openlinux.dev>2025-12-09 19:20:15 +0100
commit885f5974cdf65b59415837ae97f5a14ef1350670 (patch)
tree66ac13de29c7f4932c5fcae11773df574e4e256a /lib/libm/nearbyint.c
parent8f9e448b2ef6db7cd905540c21f3c5b190e7a1e7 (diff)
feat: add gzip and new headers
Diffstat (limited to 'lib/libm/nearbyint.c')
-rw-r--r--lib/libm/nearbyint.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/libm/nearbyint.c b/lib/libm/nearbyint.c
new file mode 100644
index 00000000..b0ffcc8a
--- /dev/null
+++ b/lib/libm/nearbyint.c
@@ -0,0 +1,20 @@
+#include <fenv.h>
+#include <math.h>
+
+/* nearbyint is the same as rint, but it must not raise the inexact exception */
+
+double nearbyint(double x)
+{
+#ifdef FE_INEXACT
+#pragma STDC FENV_ACCESS ON
+ int e;
+
+ e = fetestexcept(FE_INEXACT);
+#endif
+ x = rint(x);
+#ifdef FE_INEXACT
+ if (!e)
+ feclearexcept(FE_INEXACT);
+#endif
+ return x;
+}