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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.
*/
*** 31,45 ****
#include "libm.h"
#if defined(__sparc)
long double
! roundl(long double x) {
union {
unsigned i[4];
long double q;
} xx;
unsigned hx, sx, v;
int j;
xx.q = x;
sx = xx.i[0] & 0x80000000;
--- 32,48 ----
#include "libm.h"
#if defined(__sparc)
long double
! roundl(long double x)
! {
union {
unsigned i[4];
long double q;
} xx;
+
unsigned hx, sx, v;
int j;
xx.q = x;
sx = xx.i[0] & 0x80000000;
*** 51,141 ****
/* handle |x| < 1 */
if (hx < 0x3fff0000) {
if (hx >= 0x3ffe0000)
return (sx ? -1.0L : 1.0L);
return (sx ? -0.0L : 0.0L);
}
xx.i[0] = hx;
j = 0x406f - (hx >> 16); /* 1 <= j <= 112 */
if (j >= 96) { /* 96 <= j <= 112 */
v = (1U << (j - 96)) >> 1;
if (v) {
if (xx.i[0] & v)
xx.i[0] += v;
xx.i[0] &= ~(v - 1);
! } else if (xx.i[1] & 0x80000000)
++xx.i[0];
xx.i[1] = xx.i[2] = xx.i[3] = 0;
} else if (j >= 64) { /* 64 <= j <= 95 */
v = (1U << (j - 64)) >> 1;
if (v) {
if (xx.i[1] & v) {
xx.i[1] += v;
if (xx.i[1] < v)
++xx.i[0];
}
xx.i[1] &= ~(v - 1);
} else if (xx.i[2] & 0x80000000) {
if (++xx.i[1] == 0)
++xx.i[0];
}
xx.i[2] = xx.i[3] = 0;
} else if (j >= 32) { /* 32 <= j <= 63 */
v = (1U << (j - 32)) >> 1;
if (v) {
if (xx.i[2] & v) {
xx.i[2] += v;
if (xx.i[2] < v) {
if (++xx.i[1] == 0)
++xx.i[0];
}
}
xx.i[2] &= ~(v - 1);
} else if (xx.i[3] & 0x80000000) {
if (++xx.i[2] == 0) {
if (++xx.i[1] == 0)
++xx.i[0];
}
}
xx.i[3] = 0;
} else { /* 1 <= j <= 31 */
v = 1U << (j - 1);
if (xx.i[3] & v) {
xx.i[3] += v;
if (xx.i[3] < v) {
if (++xx.i[2] == 0) {
if (++xx.i[1] == 0)
++xx.i[0];
}
}
}
xx.i[3] &= ~(v - 1);
}
/* negate result if need be */
if (sx)
xx.i[0] |= 0x80000000;
return (xx.q);
}
#elif defined(__x86)
long double
! roundl(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;
if (ex < 0x403e) { /* |x| < 2^63 */
if (ex < 0x3fff) { /* |x| < 1 */
if (ex >= 0x3ffe)
return (sx ? -1.0L : 1.0L);
return (sx ? -0.0L : 0.0L);
}
/* round x at the integer bit */
if (ex < 0x401e) {
--- 54,166 ----
/* handle |x| < 1 */
if (hx < 0x3fff0000) {
if (hx >= 0x3ffe0000)
return (sx ? -1.0L : 1.0L);
+
return (sx ? -0.0L : 0.0L);
}
xx.i[0] = hx;
j = 0x406f - (hx >> 16); /* 1 <= j <= 112 */
+
if (j >= 96) { /* 96 <= j <= 112 */
v = (1U << (j - 96)) >> 1;
+
if (v) {
if (xx.i[0] & v)
xx.i[0] += v;
+
xx.i[0] &= ~(v - 1);
! } else if (xx.i[1] & 0x80000000) {
++xx.i[0];
+ }
+
xx.i[1] = xx.i[2] = xx.i[3] = 0;
} else if (j >= 64) { /* 64 <= j <= 95 */
v = (1U << (j - 64)) >> 1;
+
if (v) {
if (xx.i[1] & v) {
xx.i[1] += v;
+
if (xx.i[1] < v)
++xx.i[0];
}
+
xx.i[1] &= ~(v - 1);
} else if (xx.i[2] & 0x80000000) {
if (++xx.i[1] == 0)
++xx.i[0];
}
+
xx.i[2] = xx.i[3] = 0;
} else if (j >= 32) { /* 32 <= j <= 63 */
v = (1U << (j - 32)) >> 1;
+
if (v) {
if (xx.i[2] & v) {
xx.i[2] += v;
+
if (xx.i[2] < v) {
if (++xx.i[1] == 0)
++xx.i[0];
}
}
+
xx.i[2] &= ~(v - 1);
} else if (xx.i[3] & 0x80000000) {
if (++xx.i[2] == 0) {
if (++xx.i[1] == 0)
++xx.i[0];
}
}
+
xx.i[3] = 0;
} else { /* 1 <= j <= 31 */
v = 1U << (j - 1);
+
if (xx.i[3] & v) {
xx.i[3] += v;
+
if (xx.i[3] < v) {
if (++xx.i[2] == 0) {
if (++xx.i[1] == 0)
++xx.i[0];
}
}
}
+
xx.i[3] &= ~(v - 1);
}
/* negate result if need be */
if (sx)
xx.i[0] |= 0x80000000;
+
return (xx.q);
}
#elif defined(__x86)
long double
! roundl(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;
+
if (ex < 0x403e) { /* |x| < 2^63 */
if (ex < 0x3fff) { /* |x| < 1 */
if (ex >= 0x3ffe)
return (sx ? -1.0L : 1.0L);
+
return (sx ? -0.0L : 0.0L);
}
/* round x at the integer bit */
if (ex < 0x401e) {
*** 143,164 ****
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;
}
return (xx.e);
! } else if (ex < 0x7fff) /* x is integral */
return (x);
! else /* inf or nan */
return (x + x);
}
#else
#error Unknown architecture
#endif /* defined(__sparc) || defined(__x86) */
--- 168,194 ----
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;
}
+
return (xx.e);
! } else if (ex < 0x7fff) { /* x is integral */
return (x);
! } else { /* inf or nan */
return (x + x);
+ }
}
#else
#error Unknown architecture
#endif /* defined(__sparc) || defined(__x86) */