write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifdef __GNUC__
-#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
+#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
+
+#ifdef __USE_ISOC9X
+# define isunordered(x, y) \
+ (__extension__ \
+ ({ double __r; \
+ __asm ("cmptun/su %1,%2,%0\n\ttrapb" \
+ : "=&f" (__r) : "f" (x), "f"(y)); \
+ __r != 0; }))
+
+# define isgreater(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered(__x, __y) && __x > __y; }))
+# define isgreaterequal(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered(__x, __y) && __x >= __y; }))
+# define isless(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered(__x, __y) && __x < __y; }))
+# define islessequal(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered(__x, __y) && __x <= __y; }))
+# define islessgreater(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered(__x, __y) && __x != __y; }))
+#endif /* ISOC9X */
+
+#define __inline_copysign(NAME, TYPE) \
+__MATH_INLINE TYPE \
+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 __MATH_INLINE_copysign
+
+
+#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 8)
+__MATH_INLINE float __fabsf (float __x) { return __builtin_fabsf (__x); }
+__MATH_INLINE float fabsf (float __x) { return __builtin_fabsf (__x); }
+__MATH_INLINE double __fabs (double __x) { return __builtin_fabs (__x); }
+__MATH_INLINE double fabs (double __x) { return __builtin_fabs (__x); }
+#else
+#define __inline_fabs(NAME, TYPE) \
+__MATH_INLINE TYPE \
+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
+
-extern __inline double
-__copysign (double __x, double __y)
+/* 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
+__floorf (float __x)
{
- __asm ("cpys %1, %2, %0" : "=f" (__x) : "f" (__y), "f" (__x));
+ if (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"
+ "cvttq/svim %2,%1\n\t"
+ "cvtqt/suim %1,%0\n\t"
+ "trapb"
+ : "=&f"(__x), "=&f"(__tmp1), "=&f"(__tmp2)
+ : "f"(__x));
+ }
return __x;
}
-extern __inline double
-fabs (double __x)
+__MATH_INLINE double
+__floor (double __x)
{
- __asm ("cpys $f31, %1, %0" : "=f" (__x) : "f" (__x));
+ if (fabs (__x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */
+ {
+ double __tmp1;
+ __asm ("cvttq/svim %2,%1\n\t"
+ "cvtqt/suim %1,%0\n\t"
+ "trapb"
+ : "=&f"(__x), "=&f"(__tmp1)
+ : "f"(__x));
+ }
return __x;
}
-extern __inline double
-atan (double __x)
+__MATH_INLINE float floorf (float __x) { return __floorf(__x); }
+__MATH_INLINE double floor (double __x) { return __floor(__x); }
+
+
+__MATH_INLINE float __fdimf (float __x, float __y)
{
- extern double __atan2 (double, double);
- return __atan2 (__x, 1.0);
+ return __x < __y ? 0.0f : __x - __y;
}
-#endif
-#endif
+__MATH_INLINE float fdimf (float __x, float __y)
+{
+ return __x < __y ? 0.0f : __x - __y;
+}
+
+__MATH_INLINE double __fdim (double __x, double __y)
+{
+ return __x < __y ? 0.0 : __x - __y;
+}
+
+__MATH_INLINE double fdim (double __x, double __y)
+{
+ return __x < __y ? 0.0 : __x - __y;
+}
+++ /dev/null
-/* Copyright (C) 1998 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include <sysdep.h>
-#define _ERRNO_H 1
-#include <bits/errno.h>
-
-/* The problem here is that initially we made struct timeval compatible with
- OSF/1, using int32. But we defined time_t with uint64, and later found
- that POSIX requires tv_sec to be time_t.
-
- So now we have to do compatibility stuff. */
-
-.text
-
-LEAF(__syscall_adjtimex_tv64, 0)
- ldgp gp, 0(pv)
-#ifdef PROF
- .set noat
- lda AT, _mcount
- jsr AT, (AT), _mcount
- .set at
-#endif
- .prologue 1
-
-#ifdef __NR_adjtimex
- ldi v0, SYS_ify(adjtimex)
- callsys
- bne a3, $err64
-
- /* Everything ok. */
- ret
-
- /* If we didn't get ENOSYS, it is a real error. */
- .align 3
-$err64:
-#else
- /* ENOSYS. */
- ldi v0, ENOSYS
-#endif
- lda pv, __syscall_error
- jmp zero, (pv), __syscall_error
-
-END(__syscall_adjtimex_tv64)
projects / platform / upstream / glibc.git / commitdiff