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-rw-r--r--libc/sysdeps/linux/alpha/bits/mathdef.h84
-rw-r--r--libc/sysdeps/linux/alpha/bits/mathinline.h183
2 files changed, 267 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/alpha/bits/mathdef.h b/libc/sysdeps/linux/alpha/bits/mathdef.h
new file mode 100644
index 000000000..3b52ec7d5
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/mathdef.h
@@ -0,0 +1,84 @@
+/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#if !defined _MATH_H && !defined _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#endif
+
+/* FIXME! This file describes properties of the compiler, not the machine;
+ it should not be part of libc! */
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF 1
+
+# ifdef __GNUC__
+# if __STDC__ == 1
+
+/* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */
+typedef float float_t;
+typedef double double_t;
+
+# else
+
+/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
+typedef double float_t;
+typedef double double_t;
+
+# endif
+# else
+
+/* Wild guess at types for float_t and double_t. */
+typedef double float_t;
+typedef double double_t;
+
+# endif
+
+/* The values returned by `ilogb' for 0 and NaN respectively. */
+# define FP_ILOGB0 (-2147483647)
+# define FP_ILOGBNAN (2147483647)
+
+#endif /* ISO C99 && MATH_H */
+
+#if defined _COMPLEX_H && !defined _COMPLEX_H_MATHDEF
+# define _COMPLEX_H_MATHDEF 1
+# if defined(__GNUC__) && !__GNUC_PREREQ(3,4)
+
+/* Due to an ABI change, we need to remap the complex float symbols. */
+# define _Mdouble_ float
+# define __MATHCALL(function, args) \
+ __MATHDECL (_Complex float, function, args)
+# define __MATHDECL(type, function, args) \
+ __MATHDECL_1(type, function##f, args, __c1_##function##f); \
+ __MATHDECL_1(type, __##function##f, args, __c1_##function##f)
+# define __MATHDECL_1(type, function, args, alias) \
+ extern type function args __asm__(#alias) __THROW
+
+# include <bits/cmathcalls.h>
+
+# undef _Mdouble_
+# undef __MATHCALL
+# undef __MATHDECL
+# undef __MATHDECL_1
+
+# endif /* GNUC before 3.4 */
+#endif /* COMPLEX_H */
+
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
+# define __NO_LONG_DOUBLE_MATH 1
+#endif
diff --git a/libc/sysdeps/linux/alpha/bits/mathinline.h b/libc/sysdeps/linux/alpha/bits/mathinline.h
new file mode 100644
index 000000000..87d40058c
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/mathinline.h
@@ -0,0 +1,183 @@
+/* Inline math functions for Alpha.
+ Copyright (C) 1996, 1997, 1999-2001, 2004 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _MATH_H
+# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
+#endif
+
+#ifdef __cplusplus
+# 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
+
+
+/* Use the -inf rounding mode conversion instructions to implement
+ floor. We note when the exponent is large enough that the value
+ must be integral, as this avoids unpleasant integer overflows. */
+
+__MATH_INLINE float
+__NTH (__floorf (float __x))
+{
+ /* Check not zero since floor(-0) == -0. */
+ if (__x != 0 && fabsf (__x) < 16777216.0f) /* 1 << FLT_MANT_DIG */
+ {
+ /* Note that Alpha S_Floating is stored in registers in a
+ restricted T_Floating format, so we don't even need to
+ convert back to S_Floating in the end. The initial
+ conversion to T_Floating is needed to handle denormals. */
+
+ float __tmp1, __tmp2;
+
+ __asm ("cvtst/s %3,%2\n\t"
+#ifdef _IEEE_FP_INEXACT
+ "cvttq/svim %2,%1\n\t"
+#else
+ "cvttq/svm %2,%1\n\t"
+#endif
+ "cvtqt/m %1,%0\n\t"
+ : "=f"(__x), "=&f"(__tmp1), "=&f"(__tmp2)
+ : "f"(__x));
+ }
+ return __x;
+}
+
+__MATH_INLINE double
+__NTH (__floor (double __x))
+{
+ if (__x != 0 && fabs (__x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */
+ {
+ double __tmp1;
+ __asm (
+#ifdef _IEEE_FP_INEXACT
+ "cvttq/svim %2,%1\n\t"
+#else
+ "cvttq/svm %2,%1\n\t"
+#endif
+ "cvtqt/m %1,%0\n\t"
+ : "=f"(__x), "=&f"(__tmp1)
+ : "f"(__x));
+ }
+ return __x;
+}
+
+__MATH_INLINE float __NTH (floorf (float __x)) { return __floorf(__x); }
+__MATH_INLINE double __NTH (floor (double __x)) { return __floor(__x); }
+
+
+#ifdef __USE_ISOC99
+
+__MATH_INLINE float
+__NTH (__fdimf (float __x, float __y))
+{
+ return __x <= __y ? 0.0f : __x - __y;
+}
+
+__MATH_INLINE float
+__NTH (fdimf (float __x, float __y))
+{
+ return __x <= __y ? 0.0f : __x - __y;
+}
+
+__MATH_INLINE double
+__NTH (__fdim (double __x, double __y))
+{
+ return __x <= __y ? 0.0 : __x - __y;
+}
+
+__MATH_INLINE double
+__NTH (fdim (double __x, double __y))
+{
+ return __x <= __y ? 0.0 : __x - __y;
+}
+
+/* Test for negative number. Used in the signbit() macro. */
+__MATH_INLINE int
+__NTH (__signbitf (float __x))
+{
+ __extension__ union { float __f; int __i; } __u = { __f: __x };
+ return __u.__i < 0;
+}
+
+__MATH_INLINE int
+__NTH (__signbit (double __x))
+{
+ __extension__ union { double __d; long __i; } __u = { __d: __x };
+ return __u.__i < 0;
+}
+
+#endif /* C99 */
+
+#endif /* __NO_MATH_INLINES */