[fusl] clang-format fusl

fusl/src/math/expm1f.c

Index: fusl/src/math/expm1f.c
diff --git a/fusl/src/math/expm1f.c b/fusl/src/math/expm1f.c
index 297e0b44a2ebcc99d406bc7641d1fbf8aa76b097..3ea476e1efc033b3871660c9b2830822a79ef166 100644
--- a/fusl/src/math/expm1f.c
+++ b/fusl/src/math/expm1f.c
@@ -15,97 +15,98 @@
 
 #include "libm.h"
 
-static const float
-o_threshold = 8.8721679688e+01, /* 0x42b17180 */
-ln2_hi      = 6.9313812256e-01, /* 0x3f317180 */
-ln2_lo      = 9.0580006145e-06, /* 0x3717f7d1 */
-invln2      = 1.4426950216e+00, /* 0x3fb8aa3b */
-/*
- * Domain [-0.34568, 0.34568], range ~[-6.694e-10, 6.696e-10]:
- * |6 / x * (1 + 2 * (1 / (exp(x) - 1) - 1 / x)) - q(x)| < 2**-30.04
- * Scaled coefficients: Qn_here = 2**n * Qn_for_q (see s_expm1.c):
- */
-Q1 = -3.3333212137e-2, /* -0x888868.0p-28 */
-Q2 =  1.5807170421e-3; /*  0xcf3010.0p-33 */
+static const float o_threshold = 8.8721679688e+01, /* 0x42b17180 */
+    ln2_hi = 6.9313812256e-01,                     /* 0x3f317180 */
+    ln2_lo = 9.0580006145e-06,                     /* 0x3717f7d1 */
+    invln2 = 1.4426950216e+00,                     /* 0x3fb8aa3b */
+                                                   /*
+                                                    * Domain [-0.34568, 0.34568], range ~[-6.694e-10, 6.696e-10]:
+                                                    * |6 / x * (1 + 2 * (1 / (exp(x) - 1) - 1 / x)) - q(x)| < 2**-30.04
+                                                    * Scaled coefficients: Qn_here = 2**n * Qn_for_q (see s_expm1.c):
+                                                    */
+    Q1 = -3.3333212137e-2,                         /* -0x888868.0p-28 */
+    Q2 = 1.5807170421e-3;                          /*  0xcf3010.0p-33 */
 
-float expm1f(float x)
-{
-	float_t y,hi,lo,c,t,e,hxs,hfx,r1,twopk;
-	union {float f; uint32_t i;} u = {x};
-	uint32_t hx = u.i & 0x7fffffff;
-	int k, sign = u.i >> 31;
+float expm1f(float x) {
+  float_t y, hi, lo, c, t, e, hxs, hfx, r1, twopk;
+  union {
+    float f;
+    uint32_t i;
+  } u = {x};
+  uint32_t hx = u.i & 0x7fffffff;
+  int k, sign = u.i >> 31;
 
-	/* filter out huge and non-finite argument */
-	if (hx >= 0x4195b844) {  /* if |x|>=27*ln2 */
-		if (hx > 0x7f800000)  /* NaN */
-			return x;
-		if (sign)
-			return -1;
-		if (x > o_threshold) {
-			x *= 0x1p127f;
-			return x;
-		}
-	}
+  /* filter out huge and non-finite argument */
+  if (hx >= 0x4195b844) { /* if |x|>=27*ln2 */
+    if (hx > 0x7f800000)  /* NaN */
+      return x;
+    if (sign)
+      return -1;
+    if (x > o_threshold) {
+      x *= 0x1p127f;
+      return x;
+    }
+  }
 
-	/* argument reduction */
-	if (hx > 0x3eb17218) {           /* if  |x| > 0.5 ln2 */
-		if (hx < 0x3F851592) {       /* and |x| < 1.5 ln2 */
-			if (!sign) {
-				hi = x - ln2_hi;
-				lo = ln2_lo;
-				k =  1;
-			} else {
-				hi = x + ln2_hi;
-				lo = -ln2_lo;
-				k = -1;
-			}
-		} else {
-			k  = invln2*x + (sign ? -0.5f : 0.5f);
-			t  = k;
-			hi = x - t*ln2_hi;      /* t*ln2_hi is exact here */
-			lo = t*ln2_lo;
-		}
-		x = hi-lo;
-		c = (hi-x)-lo;
-	} else if (hx < 0x33000000) {  /* when |x|<2**-25, return x */
-		if (hx < 0x00800000)
-			FORCE_EVAL(x*x);
-		return x;
-	} else
-		k = 0;
+  /* argument reduction */
+  if (hx > 0x3eb17218) {   /* if  |x| > 0.5 ln2 */
+    if (hx < 0x3F851592) { /* and |x| < 1.5 ln2 */
+      if (!sign) {
+        hi = x - ln2_hi;
+        lo = ln2_lo;
+        k = 1;
+      } else {
+        hi = x + ln2_hi;
+        lo = -ln2_lo;
+        k = -1;
+      }
+    } else {
+      k = invln2 * x + (sign ? -0.5f : 0.5f);
+      t = k;
+      hi = x - t * ln2_hi; /* t*ln2_hi is exact here */
+      lo = t * ln2_lo;
+    }
+    x = hi - lo;
+    c = (hi - x) - lo;
+  } else if (hx < 0x33000000) { /* when |x|<2**-25, return x */
+    if (hx < 0x00800000)
+      FORCE_EVAL(x * x);
+    return x;
+  } else
+    k = 0;
 
-	/* x is now in primary range */
-	hfx = 0.5f*x;
-	hxs = x*hfx;
-	r1 = 1.0f+hxs*(Q1+hxs*Q2);
-	t  = 3.0f - r1*hfx;
-	e  = hxs*((r1-t)/(6.0f - x*t));
-	if (k == 0)  /* c is 0 */
-		return x - (x*e-hxs);
-	e  = x*(e-c) - c;
-	e -= hxs;
-	/* exp(x) ~ 2^k (x_reduced - e + 1) */
-	if (k == -1)
-		return 0.5f*(x-e) - 0.5f;
-	if (k == 1) {
-		if (x < -0.25f)
-			return -2.0f*(e-(x+0.5f));
-		return 1.0f + 2.0f*(x-e);
-	}
-	u.i = (0x7f+k)<<23;  /* 2^k */
-	twopk = u.f;
-	if (k < 0 || k > 56) {   /* suffice to return exp(x)-1 */
-		y = x - e + 1.0f;
-		if (k == 128)
-			y = y*2.0f*0x1p127f;
-		else
-			y = y*twopk;
-		return y - 1.0f;
-	}
-	u.i = (0x7f-k)<<23;  /* 2^-k */
-	if (k < 23)
-		y = (x-e+(1-u.f))*twopk;
-	else
-		y = (x-(e+u.f)+1)*twopk;
-	return y;
+  /* x is now in primary range */
+  hfx = 0.5f * x;
+  hxs = x * hfx;
+  r1 = 1.0f + hxs * (Q1 + hxs * Q2);
+  t = 3.0f - r1 * hfx;
+  e = hxs * ((r1 - t) / (6.0f - x * t));
+  if (k == 0) /* c is 0 */
+    return x - (x * e - hxs);
+  e = x * (e - c) - c;
+  e -= hxs;
+  /* exp(x) ~ 2^k (x_reduced - e + 1) */
+  if (k == -1)
+    return 0.5f * (x - e) - 0.5f;
+  if (k == 1) {
+    if (x < -0.25f)
+      return -2.0f * (e - (x + 0.5f));
+    return 1.0f + 2.0f * (x - e);
+  }
+  u.i = (0x7f + k) << 23; /* 2^k */
+  twopk = u.f;
+  if (k < 0 || k > 56) { /* suffice to return exp(x)-1 */
+    y = x - e + 1.0f;
+    if (k == 128)
+      y = y * 2.0f * 0x1p127f;
+    else
+      y = y * twopk;
+    return y - 1.0f;
+  }
+  u.i = (0x7f - k) << 23; /* 2^-k */
+  if (k < 23)
+    y = (x - e + (1 - u.f)) * twopk;
+  else
+    y = (x - (e + u.f) + 1) * twopk;
+  return y;
 }