[fusl] clang-format fusl

fusl/src/math/log1pf.c

 /* origin: FreeBSD /usr/src/lib/msun/src/s_log1pf.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.
  * ====================================================
  */
 
 #include "libm.h"
 
-static const float
-ln2_hi = 6.9313812256e-01, /* 0x3f317180 */
-ln2_lo = 9.0580006145e-06, /* 0x3717f7d1 */
-/* |(log(1+s)-log(1-s))/s - Lg(s)| < 2**-34.24 (~[-4.95e-11, 4.97e-11]). */
-Lg1 = 0xaaaaaa.0p-24, /* 0.66666662693 */
-Lg2 = 0xccce13.0p-25, /* 0.40000972152 */
-Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */
-Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */
+static const float ln2_hi = 6.9313812256e-01, /* 0x3f317180 */
+    ln2_lo = 9.0580006145e-06,                /* 0x3717f7d1 */
+    /* |(log(1+s)-log(1-s))/s - Lg(s)| < 2**-34.24 (~[-4.95e-11, 4.97e-11]). */
+    Lg1 = 0xaaaaaa.0p-24, /* 0.66666662693 */
+    Lg2 = 0xccce13.0p-25, /* 0.40000972152 */
+    Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */
+    Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */
 
-float log1pf(float x)
-{
-        union {float f; uint32_t i;} u = {x};
-        float_t hfsq,f,c,s,z,R,w,t1,t2,dk;
-        uint32_t ix,iu;
-        int k;
+float log1pf(float x) {
+  union {
+    float f;
+    uint32_t i;
+  } u = {x};
+  float_t hfsq, f, c, s, z, R, w, t1, t2, dk;
+  uint32_t ix, iu;
+  int k;
 
-        ix = u.i;
-        k = 1;
-        if (ix < 0x3ed413d0 || ix>>31) {  /* 1+x < sqrt(2)+  */
-                if (ix >= 0xbf800000) {  /* x <= -1.0 */
-                        if (x == -1)
-                                return x/0.0f; /* log1p(-1)=+inf */
-                        return (x-x)/0.0f;     /* log1p(x<-1)=NaN */
-                }
-                if (ix<<1 < 0x33800000<<1) {   /* |x| < 2**-24 */
-                        /* underflow if subnormal */
-                        if ((ix&0x7f800000) == 0)
-                                FORCE_EVAL(x*x);
-                        return x;
-                }
-                if (ix <= 0xbe95f619) { /* sqrt(2)/2- <= 1+x < sqrt(2)+ */
-                        k = 0;
-                        c = 0;
-                        f = x;
-                }
-        } else if (ix >= 0x7f800000)
-                return x;
-        if (k) {
-                u.f = 1 + x;
-                iu = u.i;
-                iu += 0x3f800000 - 0x3f3504f3;
-                k = (int)(iu>>23) - 0x7f;
-                /* correction term ~ log(1+x)-log(u), avoid underflow in c/u */
-                if (k < 25) {
-                        c = k >= 2 ? 1-(u.f-x) : x-(u.f-1);
-                        c /= u.f;
-                } else
-                        c = 0;
-                /* reduce u into [sqrt(2)/2, sqrt(2)] */
-                iu = (iu&0x007fffff) + 0x3f3504f3;
-                u.i = iu;
-                f = u.f - 1;
-        }
-        s = f/(2.0f + f);
-        z = s*s;
-        w = z*z;
-        t1= w*(Lg2+w*Lg4);
-        t2= z*(Lg1+w*Lg3);
-        R = t2 + t1;
-        hfsq = 0.5f*f*f;
-        dk = k;
-        return s*(hfsq+R) + (dk*ln2_lo+c) - hfsq + f + dk*ln2_hi;
+  ix = u.i;
+  k = 1;
+  if (ix < 0x3ed413d0 || ix >> 31) { /* 1+x < sqrt(2)+  */
+    if (ix >= 0xbf800000) {          /* x <= -1.0 */
+      if (x == -1)
+        return x / 0.0f;     /* log1p(-1)=+inf */
+      return (x - x) / 0.0f; /* log1p(x<-1)=NaN */
+    }
+    if (ix << 1 < 0x33800000 << 1) { /* |x| < 2**-24 */
+      /* underflow if subnormal */
+      if ((ix & 0x7f800000) == 0)
+        FORCE_EVAL(x * x);
+      return x;
+    }
+    if (ix <= 0xbe95f619) { /* sqrt(2)/2- <= 1+x < sqrt(2)+ */
+      k = 0;
+      c = 0;
+      f = x;
+    }
+  } else if (ix >= 0x7f800000)
+    return x;
+  if (k) {
+    u.f = 1 + x;
+    iu = u.i;
+    iu += 0x3f800000 - 0x3f3504f3;
+    k = (int)(iu >> 23) - 0x7f;
+    /* correction term ~ log(1+x)-log(u), avoid underflow in c/u */
+    if (k < 25) {
+      c = k >= 2 ? 1 - (u.f - x) : x - (u.f - 1);
+      c /= u.f;
+    } else
+      c = 0;
+    /* reduce u into [sqrt(2)/2, sqrt(2)] */
+    iu = (iu & 0x007fffff) + 0x3f3504f3;
+    u.i = iu;
+    f = u.f - 1;
+  }
+  s = f / (2.0f + f);
+  z = s * s;
+  w = z * z;
+  t1 = w * (Lg2 + w * Lg4);
+  t2 = z * (Lg1 + w * Lg3);
+  R = t2 + t1;
+  hfsq = 0.5f * f * f;
+  dk = k;
+  return s * (hfsq + R) + (dk * ln2_lo + c) - hfsq + f + dk * ln2_hi;
 }