entered into RCS

From-SVN: r1067
This commit is contained in:
Charles Hannum 1992-05-23 22:03:11 +00:00
parent 93639b52a6
commit 294d0b3dd6

View file

@ -1,6 +1,6 @@
/******************************************************************\
* *
* <math-68881.h> last modified: 18 May 1989. *
* <math-68881.h> last modified: 23 May 1992. *
* *
* Copyright (C) 1989 by Matthew Self. *
* You may freely distribute verbatim copies of this software *
@ -19,9 +19,13 @@
* *
\******************************************************************/
/* If you find this in GCC,
please send bug reports to bug-gcc@prep.ai.mit.edu. */
/* Changed by Richard Stallman: % inserted before a #.
New function `hypot' added.
Nans written in hex to avoid 0rnan.
May 1992, use %! for fpcr register. Break lines before function names.
December 1989, add parens around `&' in pow.
November 1990, added alternate definition of HUGE_VAL for Sun. */
@ -48,7 +52,8 @@
#endif
#endif
__inline static const double sin (double x)
__inline static const double
sin (double x)
{
double value;
@ -58,7 +63,8 @@ __inline static const double sin (double x)
return value;
}
__inline static const double cos (double x)
__inline static const double
cos (double x)
{
double value;
@ -68,7 +74,8 @@ __inline static const double cos (double x)
return value;
}
__inline static const double tan (double x)
__inline static const double
tan (double x)
{
double value;
@ -78,7 +85,8 @@ __inline static const double tan (double x)
return value;
}
__inline static const double asin (double x)
__inline static const double
asin (double x)
{
double value;
@ -88,7 +96,8 @@ __inline static const double asin (double x)
return value;
}
__inline static const double acos (double x)
__inline static const double
acos (double x)
{
double value;
@ -98,7 +107,8 @@ __inline static const double acos (double x)
return value;
}
__inline static const double atan (double x)
__inline static const double
atan (double x)
{
double value;
@ -108,7 +118,8 @@ __inline static const double atan (double x)
return value;
}
__inline static const double atan2 (double y, double x)
__inline static const double
atan2 (double y, double x)
{
double pi, pi_over_2;
@ -164,7 +175,8 @@ __inline static const double atan2 (double y, double x)
}
}
__inline static const double sinh (double x)
__inline static const double
sinh (double x)
{
double value;
@ -174,7 +186,8 @@ __inline static const double sinh (double x)
return value;
}
__inline static const double cosh (double x)
__inline static const double
cosh (double x)
{
double value;
@ -184,7 +197,8 @@ __inline static const double cosh (double x)
return value;
}
__inline static const double tanh (double x)
__inline static const double
tanh (double x)
{
double value;
@ -194,7 +208,8 @@ __inline static const double tanh (double x)
return value;
}
__inline static const double atanh (double x)
__inline static const double
atanh (double x)
{
double value;
@ -204,7 +219,8 @@ __inline static const double atanh (double x)
return value;
}
__inline static const double exp (double x)
__inline static const double
exp (double x)
{
double value;
@ -214,7 +230,8 @@ __inline static const double exp (double x)
return value;
}
__inline static const double expm1 (double x)
__inline static const double
expm1 (double x)
{
double value;
@ -224,7 +241,8 @@ __inline static const double expm1 (double x)
return value;
}
__inline static const double log (double x)
__inline static const double
log (double x)
{
double value;
@ -234,7 +252,8 @@ __inline static const double log (double x)
return value;
}
__inline static const double log1p (double x)
__inline static const double
log1p (double x)
{
double value;
@ -244,7 +263,8 @@ __inline static const double log1p (double x)
return value;
}
__inline static const double log10 (double x)
__inline static const double
log10 (double x)
{
double value;
@ -254,7 +274,8 @@ __inline static const double log10 (double x)
return value;
}
__inline static const double sqrt (double x)
__inline static const double
sqrt (double x)
{
double value;
@ -264,12 +285,14 @@ __inline static const double sqrt (double x)
return value;
}
__inline static const double hypot (const double x, const double y)
__inline static const double
hypot (const double x, const double y)
{
return sqrt (x*x + y*y);
}
__inline static const double pow (const double x, const double y)
__inline static const double
pow (const double x, const double y)
{
if (x > 0)
return exp (y * log (x));
@ -317,7 +340,8 @@ __inline static const double pow (const double x, const double y)
}
}
__inline static const double fabs (double x)
__inline static const double
fabs (double x)
{
double value;
@ -327,71 +351,75 @@ __inline static const double fabs (double x)
return value;
}
__inline static const double ceil (double x)
__inline static const double
ceil (double x)
{
int rounding_mode, round_up;
double value;
__asm volatile ("fmove%.l fpcr,%0"
__asm volatile ("fmove%.l %!,%0"
: "=dm" (rounding_mode)
: /* no inputs */ );
round_up = rounding_mode | 0x30;
__asm volatile ("fmove%.l %0,fpcr"
__asm volatile ("fmove%.l %0,%!"
: /* no outputs */
: "dmi" (round_up));
__asm volatile ("fint%.x %1,%0"
: "=f" (value)
: "f" (x));
__asm volatile ("fmove%.l %0,fpcr"
__asm volatile ("fmove%.l %0,%!"
: /* no outputs */
: "dmi" (rounding_mode));
return value;
}
__inline static const double floor (double x)
__inline static const double
floor (double x)
{
int rounding_mode, round_down;
double value;
__asm volatile ("fmove%.l fpcr,%0"
__asm volatile ("fmove%.l %!,%0"
: "=dm" (rounding_mode)
: /* no inputs */ );
round_down = (rounding_mode & ~0x10)
| 0x20;
__asm volatile ("fmove%.l %0,fpcr"
__asm volatile ("fmove%.l %0,%!"
: /* no outputs */
: "dmi" (round_down));
__asm volatile ("fint%.x %1,%0"
: "=f" (value)
: "f" (x));
__asm volatile ("fmove%.l %0,fpcr"
__asm volatile ("fmove%.l %0,%!"
: /* no outputs */
: "dmi" (rounding_mode));
return value;
}
__inline static const double rint (double x)
__inline static const double
rint (double x)
{
int rounding_mode, round_nearest;
double value;
__asm volatile ("fmove%.l fpcr,%0"
__asm volatile ("fmove%.l %!,%0"
: "=dm" (rounding_mode)
: /* no inputs */ );
round_nearest = rounding_mode & ~0x30;
__asm volatile ("fmove%.l %0,fpcr"
__asm volatile ("fmove%.l %0,%!"
: /* no outputs */
: "dmi" (round_nearest));
__asm volatile ("fint%.x %1,%0"
: "=f" (value)
: "f" (x));
__asm volatile ("fmove%.l %0,fpcr"
__asm volatile ("fmove%.l %0,%!"
: /* no outputs */
: "dmi" (rounding_mode));
return value;
}
__inline static const double fmod (double x, double y)
__inline static const double
fmod (double x, double y)
{
double value;
@ -402,7 +430,8 @@ __inline static const double fmod (double x, double y)
return value;
}
__inline static const double drem (double x, double y)
__inline static const double
drem (double x, double y)
{
double value;
@ -413,7 +442,8 @@ __inline static const double drem (double x, double y)
return value;
}
__inline static const double scalb (double x, int n)
__inline static const double
scalb (double x, int n)
{
double value;
@ -424,7 +454,8 @@ __inline static const double scalb (double x, int n)
return value;
}
__inline static double logb (double x)
__inline static double
logb (double x)
{
double exponent;
@ -434,7 +465,8 @@ __inline static double logb (double x)
return exponent;
}
__inline static const double ldexp (double x, int n)
__inline static const double
ldexp (double x, int n)
{
double value;
@ -445,7 +477,8 @@ __inline static const double ldexp (double x, int n)
return value;
}
__inline static double frexp (double x, int *exp)
__inline static double
frexp (double x, int *exp)
{
double float_exponent;
int int_exponent;
@ -469,7 +502,8 @@ __inline static double frexp (double x, int *exp)
return mantissa;
}
__inline static double modf (double x, double *ip)
__inline static double
modf (double x, double *ip)
{
double temp;