[fusl] clang-format fusl

fusl/src/math/atanhl.c

 #include "libm.h"
 
 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double atanhl(long double x)
-{
-        return atanh(x);
+long double atanhl(long double x) {
+  return atanh(x);
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 /* atanh(x) = log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2 ~= x + x^3/3 + o(x^5) */
-long double atanhl(long double x)
-{
-        union ldshape u = {x};
-        unsigned e = u.i.se & 0x7fff;
-        unsigned s = u.i.se >> 15;
+long double atanhl(long double x) {
+  union ldshape u = {x};
+  unsigned e = u.i.se & 0x7fff;
+  unsigned s = u.i.se >> 15;
 
-        /* |x| */
-        u.i.se = e;
-        x = u.f;
+  /* |x| */
+  u.i.se = e;
+  x = u.f;
 
-        if (e < 0x3ff - 1) {
-                if (e < 0x3ff - LDBL_MANT_DIG/2) {
-                        /* handle underflow */
-                        if (e == 0)
-                                FORCE_EVAL((float)x);
-                } else {
-                        /* |x| < 0.5, up to 1.7ulp error */
-                        x = 0.5*log1pl(2*x + 2*x*x/(1-x));
-                }
-        } else {
-                /* avoid overflow */
-                x = 0.5*log1pl(2*(x/(1-x)));
-        }
-        return s ? -x : x;
+  if (e < 0x3ff - 1) {
+    if (e < 0x3ff - LDBL_MANT_DIG / 2) {
+      /* handle underflow */
+      if (e == 0)
+        FORCE_EVAL((float)x);
+    } else {
+      /* |x| < 0.5, up to 1.7ulp error */
+      x = 0.5 * log1pl(2 * x + 2 * x * x / (1 - x));
+    }
+  } else {
+    /* avoid overflow */
+    x = 0.5 * log1pl(2 * (x / (1 - x)));
+  }
+  return s ? -x : x;
 }
 #endif