[fusl] clang-format fusl

fusl/src/math/acoshf.c

 #include "libm.h"
 
-#if FLT_EVAL_METHOD==2
+#if FLT_EVAL_METHOD == 2
 #undef sqrtf
 #define sqrtf sqrtl
-#elif FLT_EVAL_METHOD==1
+#elif FLT_EVAL_METHOD == 1
 #undef sqrtf
 #define sqrtf sqrt
 #endif
 
 /* acosh(x) = log(x + sqrt(x*x-1)) */
-float acoshf(float x)
-{
-        union {float f; uint32_t i;} u = {x};
-        uint32_t a = u.i & 0x7fffffff;
+float acoshf(float x) {
+  union {
+    float f;
+    uint32_t i;
+  } u = {x};
+  uint32_t a = u.i & 0x7fffffff;
 
-        if (a < 0x3f800000+(1<<23))
-                /* |x| < 2, invalid if x < 1 or nan */
-                /* up to 2ulp error in [1,1.125] */
-                return log1pf(x-1 + sqrtf((x-1)*(x-1)+2*(x-1)));
-        if (a < 0x3f800000+(12<<23))
-                /* |x| < 0x1p12 */
-                return logf(2*x - 1/(x+sqrtf(x*x-1)));
-        /* x >= 0x1p12 */
-        return logf(x) + 0.693147180559945309417232121458176568f;
+  if (a < 0x3f800000 + (1 << 23))
+    /* |x| < 2, invalid if x < 1 or nan */
+    /* up to 2ulp error in [1,1.125] */
+    return log1pf(x - 1 + sqrtf((x - 1) * (x - 1) + 2 * (x - 1)));
+  if (a < 0x3f800000 + (12 << 23))
+    /* |x| < 0x1p12 */
+    return logf(2 * x - 1 / (x + sqrtf(x * x - 1)));
+  /* x >= 0x1p12 */
+  return logf(x) + 0.693147180559945309417232121458176568f;
 }