diff options
| author | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-06-24 20:06:09 +0000 |
|---|---|---|
| committer | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-06-24 20:06:09 +0000 |
| commit | b75bafe5cbae7295b9131db3a6f5d96ed99f4b97 (patch) | |
| tree | f577c36db61fa83932e1fd4b93c845f64b0d2b7a /libjava/java/lang/k_sin.c | |
| parent | f27f59e4cf4f26bfb31e9f4ea4bc8a4a07d1b5c3 (diff) | |
| download | ppe42-gcc-b75bafe5cbae7295b9131db3a6f5d96ed99f4b97.tar.gz ppe42-gcc-b75bafe5cbae7295b9131db3a6f5d96ed99f4b97.zip | |
Fri May 28 22:20:03 1999 Anthony Green <green@cygnus.com>
* java/lang/fdlibm.h: Don't use __uint32_t. Include mprec.h.
* java/lang/e_log.c: Don't use __uint32_t.
1999-05-27 Eric Christopher <echristo@cygnus.com>
* configure: Rebuilt
* configure.in: Fixed ISO C9X and namespace collision with __uint32_t
* acconfig.h: Rebuilt
* include/config.h.in: Rebuilt
* java/lang/mprec.h, java/lang/e_acos.c, java/lang/e_asin.c,
java/lang/e_atan2.c, java/lang/e_exp.c, java/lang/e_fmod.c,
e_log.c, java/lang/e_pow.c, java/lang/e_rem_pio2.c,
java/lang/e_remainder.c, java/lang/e_sqrt.c, java/lang/fdlibm.h,
k_tan.c, java/lang/mprec.h, java/lang/s_atan.c,
java/lang/s_ceil.c, java/lang/s_copysign.c, java/lang/s_fabs.c,
s_floor.c, java/lang/s_rint.c, java/lang/sf_rint.c: Fixed ISO C9X
and namespace collision with __uint32_t
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@27729 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/lang/k_sin.c')
| -rw-r--r-- | libjava/java/lang/k_sin.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libjava/java/lang/k_sin.c b/libjava/java/lang/k_sin.c index f119916dfbc..b4ad387c589 100644 --- a/libjava/java/lang/k_sin.c +++ b/libjava/java/lang/k_sin.c @@ -6,7 +6,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -15,24 +15,24 @@ * kernel sin function on [-pi/4, pi/4], pi/4 ~ 0.7854 * Input x is assumed to be bounded by ~pi/4 in magnitude. * Input y is the tail of x. - * Input iy indicates whether y is 0. (if iy=0, y assume to be 0). + * Input iy indicates whether y is 0. (if iy=0, y assume to be 0). * * Algorithm - * 1. Since sin(-x) = -sin(x), we need only to consider positive x. + * 1. Since sin(-x) = -sin(x), we need only to consider positive x. * 2. if x < 2^-27 (hx<0x3e400000 0), return x with inexact if x!=0. * 3. sin(x) is approximated by a polynomial of degree 13 on * [0,pi/4] * 3 13 * sin(x) ~ x + S1*x + ... + S6*x * where - * + * * |sin(x) 2 4 6 8 10 12 | -58 * |----- - (1+S1*x +S2*x +S3*x +S4*x +S5*x +S6*x )| <= 2 - * | x | - * + * | x | + * * 4. sin(x+y) = sin(x) + sin'(x')*y * ~ sin(x) + (1-x*x/2)*y - * For better accuracy, let + * For better accuracy, let * 3 2 2 2 2 * r = x *(S2+x *(S3+x *(S4+x *(S5+x *S6)))) * then 3 2 @@ -44,9 +44,9 @@ #ifndef _DOUBLE_IS_32BITS #ifdef __STDC__ -static const double +static const double #else -static double +static double #endif half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */ S1 = -1.66666666666666324348e-01, /* 0xBFC55555, 0x55555549 */ @@ -64,7 +64,7 @@ S6 = 1.58969099521155010221e-10; /* 0x3DE5D93A, 0x5ACFD57C */ #endif { double z,r,v; - __int32_t ix; + int32_t ix; GET_HIGH_WORD(ix,x); ix &= 0x7fffffff; /* high word of x */ if(ix<0x3e400000) /* |x| < 2**-27 */ |
