1 files changed, 62 insertions, 0 deletions
diff --git a/newlib/libm/common/sf_lround.c b/newlib/libm/common/sf_lround.c
new file mode 100644
index 000000000..e2e4227e2
--- /dev/null
+++ b/newlib/libm/common/sf_lround.c
@@ -0,0 +1,62 @@
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+#include "fdlibm.h"
+
+#ifdef __STDC__
+	long int lroundf(float x)
+#else
+	long int lroundf(x)
+	float x;
+#endif
+{
+  __int32_t exponent_less_127;
+  __uint32_t w;
+  long int result;
+  __int32_t sign;
+
+  GET_FLOAT_WORD (w, x);
+  exponent_less_127 = ((w & 0x7f800000) >> 23) - 127;
+  sign = (w & 0x80000000) != 0 ? -1 : 1;
+  w &= 0x7fffff;
+  w |= 0x800000;
+
+  if (exponent_less_127 < (8 * sizeof (long int)) - 1)
+    {
+      if (exponent_less_127 < 0)
+        return exponent_less_127 < -1 ? 0 : sign;
+      else if (exponent_less_127 >= 23)
+        result = (long int) w << (exponent_less_127 - 23);
+      else
+        {
+          w += 0x400000 >> exponent_less_127;
+          result = w >> (23 - exponent_less_127);
+        }
+    }
+  else
+      return (long int) x;
+
+  return sign * result;
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+#ifdef __STDC__
+	long int round(double x)
+#else
+	long int round(x)
+	double x;
+#endif
+{
+	return (double) roundf((float) x);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */