`11210 libm should be cstyle(1ONBLD) clean`

```@@ -20,18 +20,19 @@
*/

/*
*/
+
/*
* Use is subject to license terms.
*/

#pragma weak __acosh = acosh

-/* INDENT OFF */
+
/*
* acosh(x)
* Method :
*      Based on
*              acosh(x) = log [ x + sqrt(x*x-1) ]
```

```@@ -42,33 +43,34 @@
*
* Special cases:
*      acosh(x) is NaN with signal if x < 1.
*      acosh(NaN) is NaN without signal.
*/
-/* INDENT ON */

#include "libm_protos.h"        /* _SVID_libm_error */
#include "libm_macros.h"
#include <math.h>

-static const double
-        one = 1.0,
+static const double one = 1.0,
ln2 = 6.93147180559945286227e-01;       /* 3FE62E42, FEFA39EF */

double
-acosh(double x) {
+acosh(double x)
+{
double t;
int hx;

-        hx = ((int *) &x)[HIWORD];
+        hx = ((int *)&x)[HIWORD];
+
if (hx < 0x3ff00000) {  /* x < 1 */
if (isnan(x))
return (hx >= 0xfff80000 ? x : (x - x) / (x - x));
+
/* assumes sparc-like QNaN */
#else
-                        return (x - x) / (x - x);
+                        return ((x - x) / (x - x));
#endif
else
return (_SVID_libm_err(x, x, 29));
} else if (hx >= 0x41b00000) {
/* x > 2**28 */
```

```@@ -77,13 +79,14 @@
return (hx >= 0x7ff80000 ? x : x + x);
/* assumes sparc-like QNaN */
#else
return (x + x);
#endif
-                } else  /* acosh(huge)=log(2x) */
+                } else { /* acosh(huge)=log(2x) */
return (log(x) + ln2);
-        } else if (((hx - 0x3ff00000) | ((int *) &x)[LOWORD]) == 0) {
+                }
+        } else if (((hx - 0x3ff00000) | ((int *)&x)[LOWORD]) == 0) {
return (0.0);   /* acosh(1) = 0 */
} else if (hx > 0x40000000) {
/* 2**28 > x > 2 */
t = x * x;
return (log(2.0 * x - one / (x + sqrt(t - one))));
```