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Adjust s_rintf.c and s_rintl.c regarding code style.

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This patch just adjusts the generic implementation regarding code style.
No functional change.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Stefan Liebler 2019-12-11 15:09:26 +01:00
parent 6a3866dae9
commit 99b39a83e7
2 changed files with 53 additions and 40 deletions
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44
sysdeps/ieee754/flt-32/s_rintf.c
View File

@ -20,7 +20,7 @@
#include <math-use-builtins.h>
float
__rintf(float x)
__rintf (float x)
{
#if USE_RINTF_BUILTIN
return __builtin_rintf (x);
@ -31,25 +31,31 @@ __rintf(float x)
8.3886080000e+06, /* 0x4b000000 */
-8.3886080000e+06, /* 0xcb000000 */
};
int32_t i0,j0,sx;
float w,t;
GET_FLOAT_WORD(i0,x);
sx = (i0>>31)&1;
j0 = ((i0>>23)&0xff)-0x7f;
if(j0<23) {
if(j0<0) {
w = TWO23[sx]+x;
t = w-TWO23[sx];
GET_FLOAT_WORD(i0,t);
SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
return t;
}
} else {
if(j0==0x80) return x+x; /* inf or NaN */
else return x; /* x is integral */
int32_t i0, j0, sx;
float w, t;
GET_FLOAT_WORD (i0, x);
sx = (i0 >> 31) & 1;
j0 = ((i0 >> 23) & 0xff) - 0x7f;
if (j0 < 23)
{
if(j0 < 0)
{
w = TWO23[sx] + x;
t = w - TWO23[sx];
GET_FLOAT_WORD (i0, t);
SET_FLOAT_WORD (t, (i0 & 0x7fffffff) | (sx << 31));
return t;
}
w = TWO23[sx]+x;
return w-TWO23[sx];
}
else
{
if (j0 == 0x80)
return x + x; /* inf or NaN */
else
return x; /* x is integral */
}
w = TWO23[sx] + x;
return w - TWO23[sx];
#endif /* ! USE_RINTF_BUILTIN */
}
#ifndef __rintf

49
sysdeps/ieee754/ldbl-128/s_rintl.c
View File

@ -13,7 +13,7 @@
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
#if defined (LIBM_SCCS) && ! defined (lint)
static char rcsid[] = "$NetBSD: $";
#endif
@ -33,7 +33,8 @@ static char rcsid[] = "$NetBSD: $";
#include <libm-alias-ldouble.h>
#include <math-use-builtins.h>
_Float128 __rintl(_Float128 x)
_Float128
__rintl (_Float128 x)
{
#if USE_RINTL_BUILTIN
return __builtin_rintl (x);
@ -44,26 +45,32 @@ _Float128 __rintl(_Float128 x)
5.19229685853482762853049632922009600E+33L, /* 0x406F000000000000, 0 */
-5.19229685853482762853049632922009600E+33L /* 0xC06F000000000000, 0 */
};
int64_t i0,j0,sx;
uint64_t i1 __attribute__ ((unused));
_Float128 w,t;
GET_LDOUBLE_WORDS64(i0,i1,x);
sx = (((uint64_t)i0)>>63);
j0 = ((i0>>48)&0x7fff)-0x3fff;
if(j0<112) {
if(j0<0) {
w = TWO112[sx]+x;
t = w-TWO112[sx];
GET_LDOUBLE_MSW64(i0,t);
SET_LDOUBLE_MSW64(t,(i0&0x7fffffffffffffffLL)|(sx<<63));
return t;
}
} else {
if(j0==0x4000) return x+x; /* inf or NaN */
else return x; /* x is integral */
int64_t i0, j0, sx;
uint64_t i1 __attribute__ ((unused));
_Float128 w, t;
GET_LDOUBLE_WORDS64 (i0, i1, x);
sx = (((uint64_t) i0) >> 63);
j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
if (j0 < 112)
{
if (j0 < 0)
{
w = TWO112[sx] + x;
t = w - TWO112[sx];
GET_LDOUBLE_MSW64 (i0, t);
SET_LDOUBLE_MSW64 (t, (i0 & 0x7fffffffffffffffLL) | (sx << 63));
return t;
}
w = TWO112[sx]+x;
return w-TWO112[sx];
}
else
{
if (j0 == 0x4000)
return x + x; /* inf or NaN */
else
return x; /* x is integral */
}
w = TWO112[sx] + x;
return w - TWO112[sx];
#endif /* ! USE_RINTL_BUILTIN */
}
libm_alias_ldouble (__rint, rint)