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-rw-r--r--winsup/cygwin/math/rintl.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/winsup/cygwin/math/rintl.c b/winsup/cygwin/math/rintl.c
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+++ b/winsup/cygwin/math/rintl.c
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+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+#include <math.h>
+
+long double rintl (long double x) {
+ long double retval = 0.0L;
+#if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__)
+ __asm__ __volatile__ ("frndint;": "=t" (retval) : "0" (x));
+#elif defined(__arm__) || defined(_ARM_)
+ retval = rint(x);
+#endif
+ return retval;
+}