[fusl] clang-format fusl

fusl/src/math/atanl.c

 /* origin: FreeBSD /usr/src/lib/msun/src/s_atanl.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.
  * ====================================================
  */
 /*
  * See comments in atan.c.
  * Converted to long double by David Schultz <das@FreeBSD.ORG>.
  */
 
 #include "libm.h"
 
 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double atanl(long double x)
-{
-        return atan(x);
+long double atanl(long double x) {
+  return atan(x);
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 
 #if LDBL_MANT_DIG == 64
-#define EXPMAN(u) ((u.i.se & 0x7fff)<<8 | (u.i.m>>55 & 0xff))
+#define EXPMAN(u) ((u.i.se & 0x7fff) << 8 | (u.i.m >> 55 & 0xff))
 
 static const long double atanhi[] = {
-         4.63647609000806116202e-01L,
-         7.85398163397448309628e-01L,
-         9.82793723247329067960e-01L,
-         1.57079632679489661926e+00L,
+    4.63647609000806116202e-01L, 7.85398163397448309628e-01L,
+    9.82793723247329067960e-01L, 1.57079632679489661926e+00L,
 };
 
 static const long double atanlo[] = {
-         1.18469937025062860669e-20L,
-        -1.25413940316708300586e-20L,
-         2.55232234165405176172e-20L,
-        -2.50827880633416601173e-20L,
+    1.18469937025062860669e-20L, -1.25413940316708300586e-20L,
+    2.55232234165405176172e-20L, -2.50827880633416601173e-20L,
 };
 
 static const long double aT[] = {
-         3.33333333333333333017e-01L,
-        -1.99999999999999632011e-01L,
-         1.42857142857046531280e-01L,
-        -1.11111111100562372733e-01L,
-         9.09090902935647302252e-02L,
-        -7.69230552476207730353e-02L,
-         6.66661718042406260546e-02L,
-        -5.88158892835030888692e-02L,
-         5.25499891539726639379e-02L,
-        -4.70119845393155721494e-02L,
-         4.03539201366454414072e-02L,
-        -2.91303858419364158725e-02L,
-         1.24822046299269234080e-02L,
+    3.33333333333333333017e-01L, -1.99999999999999632011e-01L,
+    1.42857142857046531280e-01L, -1.11111111100562372733e-01L,
+    9.09090902935647302252e-02L, -7.69230552476207730353e-02L,
+    6.66661718042406260546e-02L, -5.88158892835030888692e-02L,
+    5.25499891539726639379e-02L, -4.70119845393155721494e-02L,
+    4.03539201366454414072e-02L, -2.91303858419364158725e-02L,
+    1.24822046299269234080e-02L,
 };
 
-static long double T_even(long double x)
-{
-        return aT[0] + x * (aT[2] + x * (aT[4] + x * (aT[6] +
-                x * (aT[8] + x * (aT[10] + x * aT[12])))));
+static long double T_even(long double x) {
+  return aT[0] +
+         x * (aT[2] +
+              x * (aT[4] +
+                   x * (aT[6] + x * (aT[8] + x * (aT[10] + x * aT[12])))));
 }
 
-static long double T_odd(long double x)
-{
-        return aT[1] + x * (aT[3] + x * (aT[5] + x * (aT[7] +
-                x * (aT[9] + x * aT[11]))));
+static long double T_odd(long double x) {
+  return aT[1] +
+         x * (aT[3] + x * (aT[5] + x * (aT[7] + x * (aT[9] + x * aT[11]))));
 }
 #elif LDBL_MANT_DIG == 113
-#define EXPMAN(u) ((u.i.se & 0x7fff)<<8 | u.i.top>>8)
+#define EXPMAN(u) ((u.i.se & 0x7fff) << 8 | u.i.top >> 8)
 
 const long double atanhi[] = {
-         4.63647609000806116214256231461214397e-01L,
-         7.85398163397448309615660845819875699e-01L,
-         9.82793723247329067985710611014666038e-01L,
-         1.57079632679489661923132169163975140e+00L,
+    4.63647609000806116214256231461214397e-01L,
+    7.85398163397448309615660845819875699e-01L,
+    9.82793723247329067985710611014666038e-01L,
+    1.57079632679489661923132169163975140e+00L,
 };
 
 const long double atanlo[] = {
-         4.89509642257333492668618435220297706e-36L,
-         2.16795253253094525619926100651083806e-35L,
-        -2.31288434538183565909319952098066272e-35L,
-         4.33590506506189051239852201302167613e-35L,
+    4.89509642257333492668618435220297706e-36L,
+    2.16795253253094525619926100651083806e-35L,
+    -2.31288434538183565909319952098066272e-35L,
+    4.33590506506189051239852201302167613e-35L,
 };
 
 const long double aT[] = {
-         3.33333333333333333333333333333333125e-01L,
-        -1.99999999999999999999999999999180430e-01L,
-         1.42857142857142857142857142125269827e-01L,
-        -1.11111111111111111111110834490810169e-01L,
-         9.09090909090909090908522355708623681e-02L,
-        -7.69230769230769230696553844935357021e-02L,
-         6.66666666666666660390096773046256096e-02L,
-        -5.88235294117646671706582985209643694e-02L,
-         5.26315789473666478515847092020327506e-02L,
-        -4.76190476189855517021024424991436144e-02L,
-         4.34782608678695085948531993458097026e-02L,
-        -3.99999999632663469330634215991142368e-02L,
-         3.70370363987423702891250829918659723e-02L,
-        -3.44827496515048090726669907612335954e-02L,
-         3.22579620681420149871973710852268528e-02L,
-        -3.03020767654269261041647570626778067e-02L,
-         2.85641979882534783223403715930946138e-02L,
-        -2.69824879726738568189929461383741323e-02L,
-         2.54194698498808542954187110873675769e-02L,
-        -2.35083879708189059926183138130183215e-02L,
-         2.04832358998165364349957325067131428e-02L,
-        -1.54489555488544397858507248612362957e-02L,
-         8.64492360989278761493037861575248038e-03L,
-        -2.58521121597609872727919154569765469e-03L,
+    3.33333333333333333333333333333333125e-01L,
+    -1.99999999999999999999999999999180430e-01L,
+    1.42857142857142857142857142125269827e-01L,
+    -1.11111111111111111111110834490810169e-01L,
+    9.09090909090909090908522355708623681e-02L,
+    -7.69230769230769230696553844935357021e-02L,
+    6.66666666666666660390096773046256096e-02L,
+    -5.88235294117646671706582985209643694e-02L,
+    5.26315789473666478515847092020327506e-02L,
+    -4.76190476189855517021024424991436144e-02L,
+    4.34782608678695085948531993458097026e-02L,
+    -3.99999999632663469330634215991142368e-02L,
+    3.70370363987423702891250829918659723e-02L,
+    -3.44827496515048090726669907612335954e-02L,
+    3.22579620681420149871973710852268528e-02L,
+    -3.03020767654269261041647570626778067e-02L,
+    2.85641979882534783223403715930946138e-02L,
+    -2.69824879726738568189929461383741323e-02L,
+    2.54194698498808542954187110873675769e-02L,
+    -2.35083879708189059926183138130183215e-02L,
+    2.04832358998165364349957325067131428e-02L,
+    -1.54489555488544397858507248612362957e-02L,
+    8.64492360989278761493037861575248038e-03L,
+    -2.58521121597609872727919154569765469e-03L,
 };
 
-static long double T_even(long double x)
-{
-        return (aT[0] + x * (aT[2] + x * (aT[4] + x * (aT[6] + x * (aT[8] +
-                x * (aT[10] + x * (aT[12] + x * (aT[14] + x * (aT[16] +
-                x * (aT[18] + x * (aT[20] + x * aT[22])))))))))));
+static long double T_even(long double x) {
+  return (
+      aT[0] +
+      x * (aT[2] +
+           x * (aT[4] +
+                x * (aT[6] +
+                     x * (aT[8] +
+                          x * (aT[10] +
+                               x * (aT[12] +
+                                    x * (aT[14] +
+                                         x * (aT[16] +
+                                              x * (aT[18] +
+                                                   x * (aT[20] +
+                                                        x * aT[22])))))))))));
 }
 
-static long double T_odd(long double x)
-{
-        return (aT[1] + x * (aT[3] + x * (aT[5] + x * (aT[7] + x * (aT[9] +
-                x * (aT[11] + x * (aT[13] + x * (aT[15] + x * (aT[17] +
-                x * (aT[19] + x * (aT[21] + x * aT[23])))))))))));
+static long double T_odd(long double x) {
+  return (
+      aT[1] +
+      x * (aT[3] +
+           x * (aT[5] +
+                x * (aT[7] +
+                     x * (aT[9] +
+                          x * (aT[11] +
+                               x * (aT[13] +
+                                    x * (aT[15] +
+                                         x * (aT[17] +
+                                              x * (aT[19] +
+                                                   x * (aT[21] +
+                                                        x * aT[23])))))))))));
 }
 #endif
 
-long double atanl(long double x)
-{
-        union ldshape u = {x};
-        long double w, s1, s2, z;
-        int id;
-        unsigned e = u.i.se & 0x7fff;
-        unsigned sign = u.i.se >> 15;
-        unsigned expman;
+long double atanl(long double x) {
+  union ldshape u = {x};
+  long double w, s1, s2, z;
+  int id;
+  unsigned e = u.i.se & 0x7fff;
+  unsigned sign = u.i.se >> 15;
+  unsigned expman;
 
-        if (e >= 0x3fff + LDBL_MANT_DIG + 1) { /* if |x| is large, atan(x)~=pi/2 */
-                if (isnan(x))
-                        return x;
-                return sign ? -atanhi[3] : atanhi[3];
-        }
-        /* Extract the exponent and the first few bits of the mantissa. */
-        expman = EXPMAN(u);
-        if (expman < ((0x3fff - 2) << 8) + 0xc0) {  /* |x| < 0.4375 */
-                if (e < 0x3fff - (LDBL_MANT_DIG+1)/2) {   /* if |x| is small, atanl(x)~=x */
-                        /* raise underflow if subnormal */
-                        if (e == 0)
-                                FORCE_EVAL((float)x);
-                        return x;
-                }
-                id = -1;
-        } else {
-                x = fabsl(x);
-                if (expman < (0x3fff << 8) + 0x30) {  /* |x| < 1.1875 */
-                        if (expman < ((0x3fff - 1) << 8) + 0x60) { /*  7/16 <= |x| < 11/16 */
-                                id = 0;
-                                x = (2.0*x-1.0)/(2.0+x);
-                        } else {                                 /* 11/16 <= |x| < 19/16 */
-                                id = 1;
-                                x = (x-1.0)/(x+1.0);
-                        }
-                } else {
-                        if (expman < ((0x3fff + 1) << 8) + 0x38) { /* |x| < 2.4375 */
-                                id = 2;
-                                x = (x-1.5)/(1.0+1.5*x);
-                        } else {                                 /* 2.4375 <= |x| */
-                                id = 3;
-                                x = -1.0/x;
-                        }
-                }
-        }
-        /* end of argument reduction */
-        z = x*x;
-        w = z*z;
-        /* break sum aT[i]z**(i+1) into odd and even poly */
-        s1 = z*T_even(w);
-        s2 = w*T_odd(w);
-        if (id < 0)
-                return x - x*(s1+s2);
-        z = atanhi[id] - ((x*(s1+s2) - atanlo[id]) - x);
-        return sign ? -z : z;
+  if (e >= 0x3fff + LDBL_MANT_DIG + 1) { /* if |x| is large, atan(x)~=pi/2 */
+    if (isnan(x))
+      return x;
+    return sign ? -atanhi[3] : atanhi[3];
+  }
+  /* Extract the exponent and the first few bits of the mantissa. */
+  expman = EXPMAN(u);
+  if (expman < ((0x3fff - 2) << 8) + 0xc0) { /* |x| < 0.4375 */
+    if (e <
+        0x3fff - (LDBL_MANT_DIG + 1) / 2) { /* if |x| is small, atanl(x)~=x */
+      /* raise underflow if subnormal */
+      if (e == 0)
+        FORCE_EVAL((float)x);
+      return x;
+    }
+    id = -1;
+  } else {
+    x = fabsl(x);
+    if (expman < (0x3fff << 8) + 0x30) {         /* |x| < 1.1875 */
+      if (expman < ((0x3fff - 1) << 8) + 0x60) { /*  7/16 <= |x| < 11/16 */
+        id = 0;
+        x = (2.0 * x - 1.0) / (2.0 + x);
+      } else { /* 11/16 <= |x| < 19/16 */
+        id = 1;
+        x = (x - 1.0) / (x + 1.0);
+      }
+    } else {
+      if (expman < ((0x3fff + 1) << 8) + 0x38) { /* |x| < 2.4375 */
+        id = 2;
+        x = (x - 1.5) / (1.0 + 1.5 * x);
+      } else { /* 2.4375 <= |x| */
+        id = 3;
+        x = -1.0 / x;
+      }
+    }
+  }
+  /* end of argument reduction */
+  z = x * x;
+  w = z * z;
+  /* break sum aT[i]z**(i+1) into odd and even poly */
+  s1 = z * T_even(w);
+  s2 = w * T_odd(w);
+  if (id < 0)
+    return x - x * (s1 + s2);
+  z = atanhi[id] - ((x * (s1 + s2) - atanlo[id]) - x);
+  return sign ? -z : z;
 }
 #endif