aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/options/ansi/musl-generic-math/nearbyintl.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/nearbyintl.c')
-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/nearbyintl.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/nearbyintl.c b/lib/mlibc/options/ansi/musl-generic-math/nearbyintl.c
new file mode 100644
index 0000000..8285249
--- /dev/null
+++ b/lib/mlibc/options/ansi/musl-generic-math/nearbyintl.c
@@ -0,0 +1,26 @@
+#include <math.h>
+#include <float.h>
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+long double nearbyintl(long double x)
+{
+ return nearbyint(x);
+}
+#else
+#include <fenv.h>
+long double nearbyintl(long double x)
+{
+#ifdef FE_INEXACT
+ #pragma STDC FENV_ACCESS ON
+ int e;
+
+ e = fetestexcept(FE_INEXACT);
+#endif
+ x = rintl(x);
+#ifdef FE_INEXACT
+ if (!e)
+ feclearexcept(FE_INEXACT);
+#endif
+ return x;
+}
+#endif