[fusl] clang-format fusl

fusl/src/math/expf.c

 /* origin: FreeBSD /usr/src/lib/msun/src/e_expf.c */
 /*
  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 /*
  * ====================================================
  * 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.
  * ====================================================
  */
 
 #include "libm.h"
 
-static const float
-half[2] = {0.5,-0.5},
-ln2hi   = 6.9314575195e-1f,  /* 0x3f317200 */
-ln2lo   = 1.4286067653e-6f,  /* 0x35bfbe8e */
-invln2  = 1.4426950216e+0f,  /* 0x3fb8aa3b */
-/*
- * Domain [-0.34568, 0.34568], range ~[-4.278e-9, 4.447e-9]:
- * |x*(exp(x)+1)/(exp(x)-1) - p(x)| < 2**-27.74
- */
-P1 =  1.6666625440e-1f, /*  0xaaaa8f.0p-26 */
-P2 = -2.7667332906e-3f; /* -0xb55215.0p-32 */
+static const float half[2] = {0.5, -0.5},
+                   ln2hi = 6.9314575195e-1f, /* 0x3f317200 */
+    ln2lo = 1.4286067653e-6f,                /* 0x35bfbe8e */
+    invln2 = 1.4426950216e+0f,               /* 0x3fb8aa3b */
+                                             /*
+                                              * Domain [-0.34568, 0.34568], range ~[-4.278e-9, 4.447e-9]:
+                                              * |x*(exp(x)+1)/(exp(x)-1) - p(x)| < 2**-27.74
+                                              */
+    P1 = 1.6666625440e-1f,                   /*  0xaaaa8f.0p-26 */
+    P2 = -2.7667332906e-3f;                  /* -0xb55215.0p-32 */
 
-float expf(float x)
-{
-        float_t hi, lo, c, xx, y;
-        int k, sign;
-        uint32_t hx;
+float expf(float x) {
+  float_t hi, lo, c, xx, y;
+  int k, sign;
+  uint32_t hx;
 
-        GET_FLOAT_WORD(hx, x);
-        sign = hx >> 31;   /* sign bit of x */
-        hx &= 0x7fffffff;  /* high word of |x| */
+  GET_FLOAT_WORD(hx, x);
+  sign = hx >> 31;  /* sign bit of x */
+  hx &= 0x7fffffff; /* high word of |x| */
 
-        /* special cases */
-        if (hx >= 0x42aeac50) {  /* if |x| >= -87.33655f or NaN */
-                if (hx >= 0x42b17218 && !sign) {  /* x >= 88.722839f */
-                        /* overflow */
-                        x *= 0x1p127f;
-                        return x;
-                }
-                if (sign) {
-                        /* underflow */
-                        FORCE_EVAL(-0x1p-149f/x);
-                        if (hx >= 0x42cff1b5)  /* x <= -103.972084f */
-                                return 0;
-                }
-        }
+  /* special cases */
+  if (hx >= 0x42aeac50) {            /* if |x| >= -87.33655f or NaN */
+    if (hx >= 0x42b17218 && !sign) { /* x >= 88.722839f */
+      /* overflow */
+      x *= 0x1p127f;
+      return x;
+    }
+    if (sign) {
+      /* underflow */
+      FORCE_EVAL(-0x1p-149f / x);
+      if (hx >= 0x42cff1b5) /* x <= -103.972084f */
+        return 0;
+    }
+  }
 
-        /* argument reduction */
-        if (hx > 0x3eb17218) {  /* if |x| > 0.5 ln2 */
-                if (hx > 0x3f851592)  /* if |x| > 1.5 ln2 */
-                        k = invln2*x + half[sign];
-                else
-                        k = 1 - sign - sign;
-                hi = x - k*ln2hi;  /* k*ln2hi is exact here */
-                lo = k*ln2lo;
-                x = hi - lo;
-        } else if (hx > 0x39000000) {  /* |x| > 2**-14 */
-                k = 0;
-                hi = x;
-                lo = 0;
-        } else {
-                /* raise inexact */
-                FORCE_EVAL(0x1p127f + x);
-                return 1 + x;
-        }
+  /* argument reduction */
+  if (hx > 0x3eb17218) { /* if |x| > 0.5 ln2 */
+    if (hx > 0x3f851592) /* if |x| > 1.5 ln2 */
+      k = invln2 * x + half[sign];
+    else
+      k = 1 - sign - sign;
+    hi = x - k * ln2hi; /* k*ln2hi is exact here */
+    lo = k * ln2lo;
+    x = hi - lo;
+  } else if (hx > 0x39000000) { /* |x| > 2**-14 */
+    k = 0;
+    hi = x;
+    lo = 0;
+  } else {
+    /* raise inexact */
+    FORCE_EVAL(0x1p127f + x);
+    return 1 + x;
+  }
 
-        /* x is now in primary range */
-        xx = x*x;
-        c = x - xx*(P1+xx*P2);
-        y = 1 + (x*c/(2-c) - lo + hi);
-        if (k == 0)
-                return y;
-        return scalbnf(y, k);
+  /* x is now in primary range */
+  xx = x * x;
+  c = x - xx * (P1 + xx * P2);
+  y = 1 + (x * c / (2 - c) - lo + hi);
+  if (k == 0)
+    return y;
+  return scalbnf(y, k);
 }