[fusl] clang-format fusl

fusl/src/math/logl.c

 /* origin: OpenBSD /usr/src/lib/libm/src/ld80/e_logl.c */
 /*
  * Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
@@ skipping 37 matching lines @@
  *    IEEE     exp(+-10000) 100000      5.39e-20    2.34e-20
  *
  * In the tests over the interval exp(+-10000), the logarithms
  * of the random arguments were uniformly distributed over
  * [-10000, +10000].
  */
 
 #include "libm.h"
 
 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double logl(long double x)
-{
-        return log(x);
+long double logl(long double x) {
+  return log(x);
 }
 #elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
 /* Coefficients for log(1+x) = x - x**2/2 + x**3 P(x)/Q(x)
  * 1/sqrt(2) <= x < sqrt(2)
  * Theoretical peak relative error = 2.32e-20
  */
 static const long double P[] = {
- 4.5270000862445199635215E-5L,
- 4.9854102823193375972212E-1L,
- 6.5787325942061044846969E0L,
- 2.9911919328553073277375E1L,
- 6.0949667980987787057556E1L,
- 5.7112963590585538103336E1L,
- 2.0039553499201281259648E1L,
+    4.5270000862445199635215E-5L, 4.9854102823193375972212E-1L,
+    6.5787325942061044846969E0L,  2.9911919328553073277375E1L,
+    6.0949667980987787057556E1L,  5.7112963590585538103336E1L,
+    2.0039553499201281259648E1L,
 };
 static const long double Q[] = {
-/* 1.0000000000000000000000E0,*/
- 1.5062909083469192043167E1L,
- 8.3047565967967209469434E1L,
- 2.2176239823732856465394E2L,
- 3.0909872225312059774938E2L,
- 2.1642788614495947685003E2L,
- 6.0118660497603843919306E1L,
+    /* 1.0000000000000000000000E0,*/
+    1.5062909083469192043167E1L, 8.3047565967967209469434E1L,
+    2.2176239823732856465394E2L, 3.0909872225312059774938E2L,
+    2.1642788614495947685003E2L, 6.0118660497603843919306E1L,
 };
 
 /* Coefficients for log(x) = z + z^3 P(z^2)/Q(z^2),
  * where z = 2(x-1)/(x+1)
  * 1/sqrt(2) <= x < sqrt(2)
  * Theoretical peak relative error = 6.16e-22
  */
 static const long double R[4] = {
- 1.9757429581415468984296E-3L,
--7.1990767473014147232598E-1L,
- 1.0777257190312272158094E1L,
--3.5717684488096787370998E1L,
+    1.9757429581415468984296E-3L, -7.1990767473014147232598E-1L,
+    1.0777257190312272158094E1L, -3.5717684488096787370998E1L,
 };
 static const long double S[4] = {
-/* 1.00000000000000000000E0L,*/
--2.6201045551331104417768E1L,
- 1.9361891836232102174846E2L,
--4.2861221385716144629696E2L,
+    /* 1.00000000000000000000E0L,*/
+    -2.6201045551331104417768E1L, 1.9361891836232102174846E2L,
+    -4.2861221385716144629696E2L,
 };
 static const long double C1 = 6.9314575195312500000000E-1L;
 static const long double C2 = 1.4286068203094172321215E-6L;
 
 #define SQRTH 0.70710678118654752440L
 
-long double logl(long double x)
-{
-        long double y, z;
-        int e;
+long double logl(long double x) {
+  long double y, z;
+  int e;
 
-        if (isnan(x))
-                return x;
-        if (x == INFINITY)
-                return x;
-        if (x <= 0.0) {
-                if (x == 0.0)
-                        return -1/(x*x); /* -inf with divbyzero */
-                return 0/0.0f; /* nan with invalid */
-        }
+  if (isnan(x))
+    return x;
+  if (x == INFINITY)
+    return x;
+  if (x <= 0.0) {
+    if (x == 0.0)
+      return -1 / (x * x); /* -inf with divbyzero */
+    return 0 / 0.0f;       /* nan with invalid */
+  }
 
-        /* separate mantissa from exponent */
-        /* Note, frexp is used so that denormal numbers
-         * will be handled properly.
-         */
-        x = frexpl(x, &e);
+  /* separate mantissa from exponent */
+  /* Note, frexp is used so that denormal numbers
+   * will be handled properly.
+   */
+  x = frexpl(x, &e);
 
-        /* logarithm using log(x) = z + z**3 P(z)/Q(z),
-         * where z = 2(x-1)/(x+1)
-         */
-        if (e > 2 || e < -2) {
-                if (x < SQRTH) {  /* 2(2x-1)/(2x+1) */
-                        e -= 1;
-                        z = x - 0.5;
-                        y = 0.5 * z + 0.5;
-                } else {  /*  2 (x-1)/(x+1)   */
-                        z = x - 0.5;
-                        z -= 0.5;
-                        y = 0.5 * x  + 0.5;
-                }
-                x = z / y;
-                z = x*x;
-                z = x * (z * __polevll(z, R, 3) / __p1evll(z, S, 3));
-                z = z + e * C2;
-                z = z + x;
-                z = z + e * C1;
-                return z;
-        }
+  /* logarithm using log(x) = z + z**3 P(z)/Q(z),
+   * where z = 2(x-1)/(x+1)
+   */
+  if (e > 2 || e < -2) {
+    if (x < SQRTH) { /* 2(2x-1)/(2x+1) */
+      e -= 1;
+      z = x - 0.5;
+      y = 0.5 * z + 0.5;
+    } else { /*  2 (x-1)/(x+1)   */
+      z = x - 0.5;
+      z -= 0.5;
+      y = 0.5 * x + 0.5;
+    }
+    x = z / y;
+    z = x * x;
+    z = x * (z * __polevll(z, R, 3) / __p1evll(z, S, 3));
+    z = z + e * C2;
+    z = z + x;
+    z = z + e * C1;
+    return z;
+  }
 
-        /* logarithm using log(1+x) = x - .5x**2 + x**3 P(x)/Q(x) */
-        if (x < SQRTH) {
-                e -= 1;
-                x = 2.0*x - 1.0;
-        } else {
-                x = x - 1.0;
-        }
-        z = x*x;
-        y = x * (z * __polevll(x, P, 6) / __p1evll(x, Q, 6));
-        y = y + e * C2;
-        z = y - 0.5*z;
-        /* Note, the sum of above terms does not exceed x/4,
-         * so it contributes at most about 1/4 lsb to the error.
-         */
-        z = z + x;
-        z = z + e * C1; /* This sum has an error of 1/2 lsb. */
-        return z;
+  /* logarithm using log(1+x) = x - .5x**2 + x**3 P(x)/Q(x) */
+  if (x < SQRTH) {
+    e -= 1;
+    x = 2.0 * x - 1.0;
+  } else {
+    x = x - 1.0;
+  }
+  z = x * x;
+  y = x * (z * __polevll(x, P, 6) / __p1evll(x, Q, 6));
+  y = y + e * C2;
+  z = y - 0.5 * z;
+  /* Note, the sum of above terms does not exceed x/4,
+   * so it contributes at most about 1/4 lsb to the error.
+   */
+  z = z + x;
+  z = z + e * C1; /* This sum has an error of 1/2 lsb. */
+  return z;
 }
 #elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
 // TODO: broken implementation to make things compile
-long double logl(long double x)
-{
-        return log(x);
+long double logl(long double x) {
+  return log(x);
 }
 #endif