[fusl] clang-format fusl

fusl/src/math/acosl.c

 /* origin: FreeBSD /usr/src/lib/msun/src/e_acosl.c */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  *
  * Developed at SunSoft, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
  * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 /*
  * See comments in acos.c.
  * Converted to long double by David Schultz <das@FreeBSD.ORG>.
  */
 
 #include "libm.h"
 
 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double acosl(long double x)
-{
-        return acos(x);
+long double acosl(long double x) {
+  return acos(x);
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 #include "__invtrigl.h"
 #if LDBL_MANT_DIG == 64
 #define CLEARBOTTOM(u) (u.i.m &= -1ULL << 32)
 #elif LDBL_MANT_DIG == 113
 #define CLEARBOTTOM(u) (u.i.lo = 0)
 #endif
 
-long double acosl(long double x)
-{
-        union ldshape u = {x};
-        long double z, s, c, f;
-        uint16_t e = u.i.se & 0x7fff;
+long double acosl(long double x) {
+  union ldshape u = {x};
+  long double z, s, c, f;
+  uint16_t e = u.i.se & 0x7fff;
 
-        /* |x| >= 1 or nan */
-        if (e >= 0x3fff) {
-                if (x == 1)
-                        return 0;
-                if (x == -1)
-                        return 2*pio2_hi + 0x1p-120f;
-                return 0/(x-x);
-        }
-        /* |x| < 0.5 */
-        if (e < 0x3fff - 1) {
-                if (e < 0x3fff - LDBL_MANT_DIG - 1)
-                        return pio2_hi + 0x1p-120f;
-                return pio2_hi - (__invtrigl_R(x*x)*x - pio2_lo + x);
-        }
-        /* x < -0.5 */
-        if (u.i.se >> 15) {
-                z = (1 + x)*0.5;
-                s = sqrtl(z);
-                return 2*(pio2_hi - (__invtrigl_R(z)*s - pio2_lo + s));
-        }
-        /* x > 0.5 */
-        z = (1 - x)*0.5;
-        s = sqrtl(z);
-        u.f = s;
-        CLEARBOTTOM(u);
-        f = u.f;
-        c = (z - f*f)/(s + f);
-        return 2*(__invtrigl_R(z)*s + c + f);
+  /* |x| >= 1 or nan */
+  if (e >= 0x3fff) {
+    if (x == 1)
+      return 0;
+    if (x == -1)
+      return 2 * pio2_hi + 0x1p-120f;
+    return 0 / (x - x);
+  }
+  /* |x| < 0.5 */
+  if (e < 0x3fff - 1) {
+    if (e < 0x3fff - LDBL_MANT_DIG - 1)
+      return pio2_hi + 0x1p-120f;
+    return pio2_hi - (__invtrigl_R(x * x) * x - pio2_lo + x);
+  }
+  /* x < -0.5 */
+  if (u.i.se >> 15) {
+    z = (1 + x) * 0.5;
+    s = sqrtl(z);
+    return 2 * (pio2_hi - (__invtrigl_R(z) * s - pio2_lo + s));
+  }
+  /* x > 0.5 */
+  z = (1 - x) * 0.5;
+  s = sqrtl(z);
+  u.f = s;
+  CLEARBOTTOM(u);
+  f = u.f;
+  c = (z - f * f) / (s + f);
+  return 2 * (__invtrigl_R(z) * s + c + f);
 }
 #endif