[fusl] clang-format fusl

fusl/src/math/tan.c

 /* origin: FreeBSD /usr/src/lib/msun/src/s_tan.c */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
  * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
@@ skipping 23 matching lines @@
  *      Let trig be any of sin, cos, or tan.
  *      trig(+-INF)  is NaN, with signals;
  *      trig(NaN)    is that NaN;
  *
  * Accuracy:
  *      TRIG(x) returns trig(x) nearly rounded
  */
 
 #include "libm.h"
 
-double tan(double x)
-{
-        double y[2];
-        uint32_t ix;
-        unsigned n;
+double tan(double x) {
+  double y[2];
+  uint32_t ix;
+  unsigned n;
 
-        GET_HIGH_WORD(ix, x);
-        ix &= 0x7fffffff;
+  GET_HIGH_WORD(ix, x);
+  ix &= 0x7fffffff;
 
-        /* |x| ~< pi/4 */
-        if (ix <= 0x3fe921fb) {
-                if (ix < 0x3e400000) { /* |x| < 2**-27 */
-                        /* raise inexact if x!=0 and underflow if subnormal */
-                        FORCE_EVAL(ix < 0x00100000 ? x/0x1p120f : x+0x1p120f);
-                        return x;
-                }
-                return __tan(x, 0.0, 0);
-        }
+  /* |x| ~< pi/4 */
+  if (ix <= 0x3fe921fb) {
+    if (ix < 0x3e400000) { /* |x| < 2**-27 */
+      /* raise inexact if x!=0 and underflow if subnormal */
+      FORCE_EVAL(ix < 0x00100000 ? x / 0x1p120f : x + 0x1p120f);
+      return x;
+    }
+    return __tan(x, 0.0, 0);
+  }
 
-        /* tan(Inf or NaN) is NaN */
-        if (ix >= 0x7ff00000)
-                return x - x;
+  /* tan(Inf or NaN) is NaN */
+  if (ix >= 0x7ff00000)
+    return x - x;
 
-        /* argument reduction */
-        n = __rem_pio2(x, y);
-        return __tan(y[0], y[1], n&1);
+  /* argument reduction */
+  n = __rem_pio2(x, y);
+  return __tan(y[0], y[1], n & 1);
 }