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11210 libm should be cstyle(1ONBLD) clean
*** 20,29 ****
--- 20,30 ----
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
+
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
*** 35,45 ****
#include "libm.h"
#if defined(__sparc)
long long
! llroundl(long double x) {
union {
unsigned i[4];
long double q;
} xx;
union {
--- 36,47 ----
#include "libm.h"
#if defined(__sparc)
long long
! llroundl(long double x)
! {
union {
unsigned i[4];
long double q;
} xx;
union {
*** 48,57 ****
--- 50,60 ----
} zz;
union {
unsigned i;
float f;
} tt;
+
unsigned hx, sx, frac;
int j;
xx.q = x;
sx = xx.i[0] & 0x80000000;
*** 59,97 ****
/* handle trivial cases */
if (hx > 0x403e0000) { /* |x| > 2^63 + ... or x is nan */
/* convert an out-of-range float */
tt.i = sx | 0x7f000000;
! return ((long long) tt.f);
}
/* handle |x| < 1 */
if (hx < 0x3fff0000) {
if (hx >= 0x3ffe0000)
return (sx ? -1LL : 1LL);
return (0LL);
}
/* extract the integer and fractional parts of x */
j = 0x406f - (hx >> 16);
xx.i[0] = 0x10000 | (xx.i[0] & 0xffff);
if (j >= 96) {
zz.i[0] = 0;
zz.i[1] = xx.i[0] >> (j - 96);
frac = ((xx.i[0] << 1) << (127 - j)) | (xx.i[1] >> (j - 96));
if (((xx.i[1] << 1) << (127 - j)) | xx.i[2] | xx.i[3])
frac |= 1;
} else if (j >= 64) {
zz.i[0] = xx.i[0] >> (j - 64);
zz.i[1] = ((xx.i[0] << 1) << (95 - j)) | (xx.i[1] >> (j - 64));
frac = ((xx.i[1] << 1) << (95 - j)) | (xx.i[2] >> (j - 64));
if (((xx.i[2] << 1) << (95 - j)) | xx.i[3])
frac |= 1;
} else {
zz.i[0] = ((xx.i[0] << 1) << (63 - j)) | (xx.i[1] >> (j - 32));
zz.i[1] = ((xx.i[1] << 1) << (63 - j)) | (xx.i[2] >> (j - 32));
frac = ((xx.i[2] << 1) << (63 - j)) | (xx.i[3] >> (j - 32));
if ((xx.i[3] << 1) << (63 - j))
frac |= 1;
}
/* round */
--- 62,105 ----
/* handle trivial cases */
if (hx > 0x403e0000) { /* |x| > 2^63 + ... or x is nan */
/* convert an out-of-range float */
tt.i = sx | 0x7f000000;
! return ((long long)tt.f);
}
/* handle |x| < 1 */
if (hx < 0x3fff0000) {
if (hx >= 0x3ffe0000)
return (sx ? -1LL : 1LL);
+
return (0LL);
}
/* extract the integer and fractional parts of x */
j = 0x406f - (hx >> 16);
xx.i[0] = 0x10000 | (xx.i[0] & 0xffff);
+
if (j >= 96) {
zz.i[0] = 0;
zz.i[1] = xx.i[0] >> (j - 96);
frac = ((xx.i[0] << 1) << (127 - j)) | (xx.i[1] >> (j - 96));
+
if (((xx.i[1] << 1) << (127 - j)) | xx.i[2] | xx.i[3])
frac |= 1;
} else if (j >= 64) {
zz.i[0] = xx.i[0] >> (j - 64);
zz.i[1] = ((xx.i[0] << 1) << (95 - j)) | (xx.i[1] >> (j - 64));
frac = ((xx.i[1] << 1) << (95 - j)) | (xx.i[2] >> (j - 64));
+
if (((xx.i[2] << 1) << (95 - j)) | xx.i[3])
frac |= 1;
} else {
zz.i[0] = ((xx.i[0] << 1) << (63 - j)) | (xx.i[1] >> (j - 32));
zz.i[1] = ((xx.i[1] << 1) << (63 - j)) | (xx.i[2] >> (j - 32));
frac = ((xx.i[2] << 1) << (63 - j)) | (xx.i[3] >> (j - 32));
+
if ((xx.i[3] << 1) << (63 - j))
frac |= 1;
}
/* round */
*** 102,131 ****
/* check for result out of range (note that z is |x| at this point) */
if (zz.i[0] > 0x80000000u || (zz.i[0] == 0x80000000 && (zz.i[1] ||
!sx))) {
tt.i = sx | 0x7f000000;
! return ((long long) tt.f);
}
/* negate result if need be */
if (sx) {
zz.i[0] = ~zz.i[0];
zz.i[1] = -zz.i[1];
if (zz.i[1] == 0)
zz.i[0]++;
}
return (zz.l);
}
#elif defined(__x86)
long long
! llroundl(long double x) {
union {
unsigned i[3];
long double e;
} xx;
int ex, sx, i;
xx.e = x;
ex = xx.i[2] & 0x7fff;
sx = xx.i[2] & 0x8000;
--- 110,142 ----
/* check for result out of range (note that z is |x| at this point) */
if (zz.i[0] > 0x80000000u || (zz.i[0] == 0x80000000 && (zz.i[1] ||
!sx))) {
tt.i = sx | 0x7f000000;
! return ((long long)tt.f);
}
/* negate result if need be */
if (sx) {
zz.i[0] = ~zz.i[0];
zz.i[1] = -zz.i[1];
+
if (zz.i[1] == 0)
zz.i[0]++;
}
return (zz.l);
}
#elif defined(__x86)
long long
! llroundl(long double x)
! {
union {
unsigned i[3];
long double e;
} xx;
+
int ex, sx, i;
xx.e = x;
ex = xx.i[2] & 0x7fff;
sx = xx.i[2] & 0x8000;
*** 133,142 ****
--- 144,154 ----
if (ex < 0x403e) { /* |x| < 2^63 */
/* handle |x| < 1 */
if (ex < 0x3fff) {
if (ex >= 0x3ffe)
return (sx ? -1LL : 1LL);
+
return (0LL);
}
/* round x at the integer bit */
if (ex < 0x401e) {
*** 144,164 ****
xx.i[1] = (xx.i[1] + i) & ~(i | (i - 1));
xx.i[0] = 0;
} else {
i = 1 << (0x403d - ex);
xx.i[0] += i;
if (xx.i[0] < i)
xx.i[1]++;
xx.i[0] &= ~(i | (i - 1));
}
if (xx.i[1] == 0) {
xx.i[2] = sx | ++ex;
xx.i[1] = 0x80000000U;
}
}
/* now x is nan, inf, or integral */
! return ((long long) xx.e);
}
#else
#error Unknown architecture
#endif
--- 156,179 ----
xx.i[1] = (xx.i[1] + i) & ~(i | (i - 1));
xx.i[0] = 0;
} else {
i = 1 << (0x403d - ex);
xx.i[0] += i;
+
if (xx.i[0] < i)
xx.i[1]++;
+
xx.i[0] &= ~(i | (i - 1));
}
+
if (xx.i[1] == 0) {
xx.i[2] = sx | ++ex;
xx.i[1] = 0x80000000U;
}
}
/* now x is nan, inf, or integral */
! return ((long long)xx.e);
}
#else
#error Unknown architecture
#endif