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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.
*/
*** 32,53 ****
#include "libm.h"
#include "fma.h"
#include "fenv_inlines.h"
#if defined(__sparc)
-
static union {
unsigned i;
float f;
} snan = { 0x7f800001 };
-
long double
! __nearbyintl(long double x) {
union {
unsigned i[4];
long double q;
} xx;
unsigned hx, sx, i, frac;
unsigned int fsr;
int rm, j;
volatile float dummy;
--- 33,54 ----
#include "libm.h"
#include "fma.h"
#include "fenv_inlines.h"
#if defined(__sparc)
static union {
unsigned i;
float f;
} snan = { 0x7f800001 };
long double
! __nearbyintl(long double x)
! {
union {
unsigned i[4];
long double q;
} xx;
+
unsigned hx, sx, i, frac;
unsigned int fsr;
int rm, j;
volatile float dummy;
*** 56,74 ****
hx = xx.i[0] & ~0x80000000;
/* handle trivial cases */
if (hx >= 0x406f0000) { /* x is nan, inf, or already integral */
/* check for signaling nan */
! if ((hx > 0x7fff0000 || (hx == 0x7fff0000 &&
! (xx.i[1] | xx.i[2] | xx.i[3]))) && !(hx & 0x8000)) {
dummy = snan.f;
dummy += snan.f;
xx.i[0] = sx | hx | 0x8000;
}
return (xx.q);
! } else if ((hx | xx.i[1] | xx.i[2] | xx.i[3]) == 0) /* x is zero */
return (x);
/* get the rounding mode */
__fenv_getfsr32(&fsr);
rm = fsr >> 30;
--- 57,77 ----
hx = xx.i[0] & ~0x80000000;
/* handle trivial cases */
if (hx >= 0x406f0000) { /* x is nan, inf, or already integral */
/* check for signaling nan */
! if ((hx > 0x7fff0000 || (hx == 0x7fff0000 && (xx.i[1] |
! xx.i[2] | xx.i[3]))) && !(hx & 0x8000)) {
dummy = snan.f;
dummy += snan.f;
xx.i[0] = sx | hx | 0x8000;
}
+
return (xx.q);
! } else if ((hx | xx.i[1] | xx.i[2] | xx.i[3]) == 0) { /* x is zero */
return (x);
+ }
/* get the rounding mode */
__fenv_getfsr32(&fsr);
rm = fsr >> 30;
*** 76,165 ****
if (sx)
rm ^= rm >> 1;
/* handle |x| < 1 */
if (hx < 0x3fff0000) {
! if (rm == FSR_RP || (rm == FSR_RN && (hx >= 0x3ffe0000 &&
! ((hx & 0xffff) | xx.i[1] | xx.i[2] | xx.i[3]))))
xx.i[0] = sx | 0x3fff0000;
else
xx.i[0] = sx;
xx.i[1] = xx.i[2] = xx.i[3] = 0;
return (xx.q);
}
/* round x at the integer bit */
j = 0x406f - (hx >> 16);
if (j >= 96) {
i = 1 << (j - 96);
frac = ((xx.i[0] << 1) << (127 - j)) | (xx.i[1] >> (j - 96));
if ((xx.i[1] & (i - 1)) | xx.i[2] | xx.i[3])
frac |= 1;
if (!frac)
return (x);
xx.i[1] = xx.i[2] = xx.i[3] = 0;
xx.i[0] &= ~(i - 1);
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[0] & i)))))
xx.i[0] += i;
} else if (j >= 64) {
i = 1 << (j - 64);
frac = ((xx.i[1] << 1) << (95 - j)) | (xx.i[2] >> (j - 64));
if ((xx.i[2] & (i - 1)) | xx.i[3])
frac |= 1;
if (!frac)
return (x);
xx.i[2] = xx.i[3] = 0;
xx.i[1] &= ~(i - 1);
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[1] & i))))) {
xx.i[1] += i;
if (xx.i[1] == 0)
xx.i[0]++;
}
} else if (j >= 32) {
i = 1 << (j - 32);
frac = ((xx.i[2] << 1) << (63 - j)) | (xx.i[3] >> (j - 32));
if (xx.i[3] & (i - 1))
frac |= 1;
if (!frac)
return (x);
xx.i[3] = 0;
xx.i[2] &= ~(i - 1);
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[2] & i))))) {
xx.i[2] += i;
if (xx.i[2] == 0)
if (++xx.i[1] == 0)
xx.i[0]++;
}
} else {
i = 1 << j;
frac = (xx.i[3] << 1) << (31 - j);
if (!frac)
return (x);
xx.i[3] &= ~(i - 1);
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[3] & i))))) {
xx.i[3] += i;
if (xx.i[3] == 0)
if (++xx.i[2] == 0)
if (++xx.i[1] == 0)
xx.i[0]++;
}
}
return (xx.q);
}
-
#elif defined(__x86)
-
/* inline template */
extern long double frndint(long double);
-
long double
! __nearbyintl(long double x) {
long double z;
unsigned oldcwsw, cwsw;
/* save the control and status words, mask the inexact exception */
__fenv_getcwsw(&oldcwsw);
--- 79,186 ----
if (sx)
rm ^= rm >> 1;
/* handle |x| < 1 */
if (hx < 0x3fff0000) {
! if (rm == FSR_RP || (rm == FSR_RN && (hx >= 0x3ffe0000 && ((hx &
! 0xffff) | xx.i[1] | xx.i[2] | xx.i[3]))))
xx.i[0] = sx | 0x3fff0000;
else
xx.i[0] = sx;
+
xx.i[1] = xx.i[2] = xx.i[3] = 0;
return (xx.q);
}
/* round x at the integer bit */
j = 0x406f - (hx >> 16);
+
if (j >= 96) {
i = 1 << (j - 96);
frac = ((xx.i[0] << 1) << (127 - j)) | (xx.i[1] >> (j - 96));
+
if ((xx.i[1] & (i - 1)) | xx.i[2] | xx.i[3])
frac |= 1;
+
if (!frac)
return (x);
+
xx.i[1] = xx.i[2] = xx.i[3] = 0;
xx.i[0] &= ~(i - 1);
+
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[0] & i)))))
xx.i[0] += i;
} else if (j >= 64) {
i = 1 << (j - 64);
frac = ((xx.i[1] << 1) << (95 - j)) | (xx.i[2] >> (j - 64));
+
if ((xx.i[2] & (i - 1)) | xx.i[3])
frac |= 1;
+
if (!frac)
return (x);
+
xx.i[2] = xx.i[3] = 0;
xx.i[1] &= ~(i - 1);
+
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[1] & i))))) {
xx.i[1] += i;
+
if (xx.i[1] == 0)
xx.i[0]++;
}
} else if (j >= 32) {
i = 1 << (j - 32);
frac = ((xx.i[2] << 1) << (63 - j)) | (xx.i[3] >> (j - 32));
+
if (xx.i[3] & (i - 1))
frac |= 1;
+
if (!frac)
return (x);
+
xx.i[3] = 0;
xx.i[2] &= ~(i - 1);
+
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[2] & i))))) {
xx.i[2] += i;
+
if (xx.i[2] == 0)
if (++xx.i[1] == 0)
xx.i[0]++;
}
} else {
i = 1 << j;
frac = (xx.i[3] << 1) << (31 - j);
+
if (!frac)
return (x);
+
xx.i[3] &= ~(i - 1);
+
if (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000u ||
(frac == 0x80000000 && (xx.i[3] & i))))) {
xx.i[3] += i;
+
if (xx.i[3] == 0)
if (++xx.i[2] == 0)
if (++xx.i[1] == 0)
xx.i[0]++;
}
}
return (xx.q);
}
#elif defined(__x86)
/* inline template */
extern long double frndint(long double);
long double
! __nearbyintl(long double x)
! {
long double z;
unsigned oldcwsw, cwsw;
/* save the control and status words, mask the inexact exception */
__fenv_getcwsw(&oldcwsw);
*** 176,184 ****
oldcwsw |= (cwsw & 0x1f);
__fenv_setcwsw(&oldcwsw);
return (z);
}
-
#else
#error Unknown architecture
#endif
--- 197,204 ----