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11210 libm should be cstyle(1ONBLD) clean
@@ -20,10 +20,11 @@
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
+
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -35,47 +36,58 @@
#if defined(__sparc)
#define ISNORMALL(k, x) (k != 0x7fff) /* assuming k != 0 */
#define X86PDNRM(k, x)
#define XSCALE_OFFSET 0x406f /* 0x3fff + 112 */
+
static const long double xscale = 5192296858534827628530496329220096.0L;
- /* 2^112 */
+
+/* 2^112 */
#elif defined(__x86)
/*
* if pseudo-denormal, replace by the equivalent normal
*/
-#define X86PDNRM(k, x) if (k == 0 && (((int *) &x)[1] & 0x80000000) != 0) \
- ((int *) &x)[2] |= k = 1
+#define X86PDNRM(k, x) if (k == 0 && (((int *)&x)[1] & 0x80000000) != \
+ 0) \
+ ((int *)&x)[2] |= k = 1
#if defined(HANDLE_UNSUPPORTED) /* assuming k != 0 */
-#define ISNORMALL(k, x) (k != 0x7fff && (((int *) &x)[1] & 0x80000000) != 0)
+#define ISNORMALL(k, x) (k != 0x7fff && \
+ (((int *)&x)[1] & 0x80000000) != 0)
#else
#define ISNORMALL(k, x) (k != 0x7fff)
#endif
#define XSCALE_OFFSET 0x403e /* 0x3fff + 63 */
static const long double xscale = 9223372036854775808.0L; /* 2^63 */
#endif
static long double
-raise_division(long double v) {
+raise_division(long double v)
+{
#pragma STDC FENV_ACCESS ON
+
static const long double zero = 0.0L;
+
return (v / zero);
}
long double
-logbl(long double x) {
+logbl(long double x)
+{
int k = XBIASED_EXP(x);
X86PDNRM(k, x);
+
if (k == 0) {
- if (ISZEROL(x))
+ if (ISZEROL(x)) {
return (raise_division(-1.0L));
- else if ((__xpg6 & _C99SUSv3_logb) != 0) {
+ } else if ((__xpg6 & _C99SUSv3_logb) != 0) {
x *= xscale; /* scale up by 2^112 or 2^63 */
- return (long double) (XBIASED_EXP(x) - XSCALE_OFFSET);
- } else
- return ((long double) (-16382));
- } else if (ISNORMALL(k, x))
- return ((long double) (k - 0x3fff));
- else
+ return ((long double)(XBIASED_EXP(x) - XSCALE_OFFSET));
+ } else {
+ return ((long double)(-16382));
+ }
+ } else if (ISNORMALL(k, x)) {
+ return ((long double)(k - 0x3fff));
+ } else {
return (x * x);
+ }
}