1 files changed, 149 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/fpu/bits/mathinline.h b/ports/sysdeps/alpha/fpu/bits/mathinline.h
new file mode 100644
index 0000000000..1d15c28191
--- /dev/null
+++ b/ports/sysdeps/alpha/fpu/bits/mathinline.h
@@ -0,0 +1,149 @@
+/* Inline math functions for Alpha.
+   Copyright (C) 1996, 1997, 1999-2001, 2004, 2007
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Mosberger-Tang.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
+#endif
+
+#ifndef __extern_inline
+# define __MATH_INLINE __inline
+#else
+# define __MATH_INLINE __extern_inline
+#endif
+
+#if defined __USE_ISOC99 && defined __GNUC__ && !__GNUC_PREREQ(3,0)
+# undef isgreater
+# undef isgreaterequal
+# undef isless
+# undef islessequal
+# undef islessgreater
+# undef isunordered
+# define isunordered(u, v)				\
+  (__extension__					\
+   ({ double __r, __u = (u), __v = (v);			\
+      __asm ("cmptun/su %1,%2,%0\n\ttrapb"		\
+	     : "=&f" (__r) : "f" (__u), "f"(__v));	\
+      __r != 0; }))
+#endif /* ISO C99 */
+
+#if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
+    && defined __OPTIMIZE__
+
+#if !__GNUC_PREREQ (4, 0)
+# define __inline_copysign(NAME, TYPE)					\
+__MATH_INLINE TYPE							\
+__NTH (NAME (TYPE __x, TYPE __y))					\
+{									\
+  TYPE __z;								\
+  __asm ("cpys %1, %2, %0" : "=f" (__z) : "f" (__y), "f" (__x));	\
+  return __z;								\
+}
+
+__inline_copysign (__copysignf, float)
+__inline_copysign (copysignf, float)
+__inline_copysign (__copysign, double)
+__inline_copysign (copysign, double)
+
+# undef __inline_copysign
+#endif
+
+
+#if !__GNUC_PREREQ (2, 8)
+# define __inline_fabs(NAME, TYPE)			\
+__MATH_INLINE TYPE					\
+__NTH (NAME (TYPE __x))					\
+{							\
+  TYPE __z;						\
+  __asm ("cpys $f31, %1, %0" : "=f" (__z) : "f" (__x));	\
+  return __z;						\
+}
+
+__inline_fabs (__fabsf, float)
+__inline_fabs (fabsf, float)
+__inline_fabs (__fabs, double)
+__inline_fabs (fabs, double)
+
+# undef __inline_fabs
+#endif
+
+#ifdef __USE_ISOC99
+
+/* Test for negative number.  Used in the signbit() macro.  */
+__MATH_INLINE int
+__NTH (__signbitf (float __x))
+{
+#if !__GNUC_PREREQ (4, 0)
+  __extension__ union { float __f; int __i; } __u = { __f: __x };
+  return __u.__i < 0;
+#else
+  return __builtin_signbitf (__x);
+#endif
+}
+
+__MATH_INLINE int
+__NTH (__signbit (double __x))
+{
+#if !__GNUC_PREREQ (4, 0)
+  __extension__ union { double __d; long __i; } __u = { __d: __x };
+  return __u.__i < 0;
+#else
+  return __builtin_signbit (__x);
+#endif
+}
+
+__MATH_INLINE int
+__NTH (__signbitl (long double __x))
+{
+#if !__GNUC_PREREQ (4, 0)
+  __extension__ union {
+    long double __d;
+    long __i[sizeof(long double)/sizeof(long)];
+  } __u = { __d: __x };
+  return __u.__i[sizeof(long double)/sizeof(long) - 1] < 0;
+#else
+  return __builtin_signbitl (__x);
+#endif
+}
+
+/* Test for NaN.  Used in the isnan() macro.  */
+
+__MATH_INLINE int
+__NTH (__isnanf (float __x))
+{
+  return isunordered (__x, __x);
+}
+
+__MATH_INLINE int
+__NTH (__isnan (double __x))
+{
+  return isunordered (__x, __x);
+}
+
+#ifndef __NO_LONG_DOUBLE_MATH
+__MATH_INLINE int
+__NTH (__isnanl (long double __x))
+{
+  return isunordered (__x, __x);
+}
+#endif
+
+#endif /* C99 */
+
+#endif /* __NO_MATH_INLINES */