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11210 libm should be cstyle(1ONBLD) clean

@@ -16,13 +16,15 @@
  * fields enclosed by brackets "[]" replaced with your own identifying
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
+
 /*
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  */
+
 /*
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 

@@ -73,35 +75,37 @@
  *      z[1] :  the leading 24 bits of Z rounded
  *      z[2] :  the remaining 53 bits of Z
  *              Note that z[0] = z[1]+z[2] rounded.
  *
  */
-
 static void
-mx_poly(const double *z, const double *a, double *e, int n) {
+mx_poly(const double *z, const double *a, double *e, int n)
+{
         double r, s, t, p_h, p_l, z_h, z_l, p;
         int i;
 
         n = n + n;
         p = e[0] + a[n];
         p_l = a[n + 1];
-        p_h = (double) ((float) p);
+        p_h = (double)((float)p);
         p   = a[n - 2] + z[0] * p;
-        z_h = z[1]; z_l = z[2];
+        z_h = z[1];
+        z_l = z[2];
         p_l += e[0] - (p_h - a[n]);
 
         for (i = n - 2; i >= 2; i -= 2) {
         /* compute p = ai + z * p */
                 t   = z_h * p_h;
                 s   = z[0] * p_l + p_h * z_l;
-                p_h = (double) ((float) p);
+                p_h = (double)((float)p);
                 s  += a[i + 1];
                 r   = t - (p_h - a[i]);
                 p   = a[i - 2] + z[0] * p;
                 p_l = r + s;
         }
-        e[0] = (double)((float) p);
+
+        e[0] = (double)((float)p);
         t   = z_h * p_h;
         s   = z[0] * p_l + p_h * z_l;
         r   = t - (e[0] - a[0]);
         e[1] = r + s;
 }

@@ -116,79 +120,111 @@
  *      8.000 -- 0x40200000      (total: 97)
  * By K.C. Ng, March 9, 1989
  */
 
 static const double TBL_atan_hi[] = {
-1.243549945467614382e-01, 1.320397616146387620e-01, 1.397088742891636204e-01,
-1.473614810886516302e-01, 1.549967419239409727e-01, 1.626138285979485676e-01,
-1.702119252854744080e-01, 1.777902289926760471e-01, 1.853479499956947607e-01,
-1.928843122579746439e-01, 2.003985538258785115e-01, 2.078899272022629863e-01,
-2.153576996977380476e-01, 2.228011537593945213e-01, 2.302195872768437179e-01,
-2.376123138654712419e-01, 2.449786631268641435e-01, 2.596296294082575118e-01,
-2.741674511196587893e-01, 2.885873618940774099e-01, 3.028848683749714166e-01,
-3.170557532091470287e-01, 3.310960767041321029e-01, 3.450021772071051318e-01,
-3.587706702705721895e-01, 3.723984466767542023e-01, 3.858826693980737521e-01,
-3.992207695752525431e-01, 4.124104415973872673e-01, 4.254496373700422662e-01,
-4.383365598579578304e-01, 4.510696559885234436e-01, 4.636476090008060935e-01,
-4.883339510564055352e-01, 5.123894603107377321e-01, 5.358112379604637043e-01,
-5.585993153435624414e-01, 5.807563535676704136e-01, 6.022873461349641522e-01,
-6.231993299340659043e-01, 6.435011087932843710e-01, 6.632029927060932861e-01,
-6.823165548747480713e-01, 7.008544078844501923e-01, 7.188299996216245269e-01,
-7.362574289814280970e-01, 7.531512809621944138e-01, 7.695264804056582975e-01,
-7.853981633974482790e-01, 8.156919233162234217e-01, 8.441539861131710509e-01,
-8.709034570756529758e-01, 8.960553845713439269e-01, 9.197196053504168578e-01,
-9.420000403794636101e-01, 9.629943306809362058e-01, 9.827937232473290541e-01,
-1.001483135694234639e+00, 1.019141344266349725e+00, 1.035841253008800145e+00,
-1.051650212548373764e+00, 1.066630365315743623e+00, 1.080839000541168327e+00,
-1.094328907321189925e+00, 1.107148717794090409e+00, 1.130953743979160375e+00,
-1.152571997215667610e+00, 1.172273881128476303e+00, 1.190289949682531656e+00,
-1.206817370285252489e+00, 1.222025323210989667e+00, 1.236059489478081863e+00,
-1.249045772398254428e+00, 1.261093382252440387e+00, 1.272297395208717319e+00,
-1.282740879744270757e+00, 1.292496667789785336e+00, 1.301628834009196156e+00,
-1.310193935047555547e+00, 1.318242051016837113e+00, 1.325817663668032553e+00,
-1.339705659598999565e+00, 1.352127380920954636e+00, 1.363300100359693845e+00,
-1.373400766945015894e+00, 1.382574821490125894e+00, 1.390942827002418447e+00,
-1.398605512271957618e+00, 1.405647649380269870e+00, 1.412141064608495311e+00,
-1.418146998399631542e+00, 1.423717971406494032e+00, 1.428899272190732761e+00,
-1.433730152484709031e+00, 1.438244794498222623e+00, 1.442473099109101931e+00,
-1.446441332248135092e+00,
+        1.243549945467614382e-01, 1.320397616146387620e-01,
+        1.397088742891636204e-01, 1.473614810886516302e-01,
+        1.549967419239409727e-01, 1.626138285979485676e-01,
+        1.702119252854744080e-01, 1.777902289926760471e-01,
+        1.853479499956947607e-01, 1.928843122579746439e-01,
+        2.003985538258785115e-01, 2.078899272022629863e-01,
+        2.153576996977380476e-01, 2.228011537593945213e-01,
+        2.302195872768437179e-01, 2.376123138654712419e-01,
+        2.449786631268641435e-01, 2.596296294082575118e-01,
+        2.741674511196587893e-01, 2.885873618940774099e-01,
+        3.028848683749714166e-01, 3.170557532091470287e-01,
+        3.310960767041321029e-01, 3.450021772071051318e-01,
+        3.587706702705721895e-01, 3.723984466767542023e-01,
+        3.858826693980737521e-01, 3.992207695752525431e-01,
+        4.124104415973872673e-01, 4.254496373700422662e-01,
+        4.383365598579578304e-01, 4.510696559885234436e-01,
+        4.636476090008060935e-01, 4.883339510564055352e-01,
+        5.123894603107377321e-01, 5.358112379604637043e-01,
+        5.585993153435624414e-01, 5.807563535676704136e-01,
+        6.022873461349641522e-01, 6.231993299340659043e-01,
+        6.435011087932843710e-01, 6.632029927060932861e-01,
+        6.823165548747480713e-01, 7.008544078844501923e-01,
+        7.188299996216245269e-01, 7.362574289814280970e-01,
+        7.531512809621944138e-01, 7.695264804056582975e-01,
+        7.853981633974482790e-01, 8.156919233162234217e-01,
+        8.441539861131710509e-01, 8.709034570756529758e-01,
+        8.960553845713439269e-01, 9.197196053504168578e-01,
+        9.420000403794636101e-01, 9.629943306809362058e-01,
+        9.827937232473290541e-01, 1.001483135694234639e+00,
+        1.019141344266349725e+00, 1.035841253008800145e+00,
+        1.051650212548373764e+00, 1.066630365315743623e+00,
+        1.080839000541168327e+00, 1.094328907321189925e+00,
+        1.107148717794090409e+00, 1.130953743979160375e+00,
+        1.152571997215667610e+00, 1.172273881128476303e+00,
+        1.190289949682531656e+00, 1.206817370285252489e+00,
+        1.222025323210989667e+00, 1.236059489478081863e+00,
+        1.249045772398254428e+00, 1.261093382252440387e+00,
+        1.272297395208717319e+00, 1.282740879744270757e+00,
+        1.292496667789785336e+00, 1.301628834009196156e+00,
+        1.310193935047555547e+00, 1.318242051016837113e+00,
+        1.325817663668032553e+00, 1.339705659598999565e+00,
+        1.352127380920954636e+00, 1.363300100359693845e+00,
+        1.373400766945015894e+00, 1.382574821490125894e+00,
+        1.390942827002418447e+00, 1.398605512271957618e+00,
+        1.405647649380269870e+00, 1.412141064608495311e+00,
+        1.418146998399631542e+00, 1.423717971406494032e+00,
+        1.428899272190732761e+00, 1.433730152484709031e+00,
+        1.438244794498222623e+00, 1.442473099109101931e+00,
+        1.446441332248135092e+00,
 };
 
 static const double TBL_atan_lo[] = {
--3.125324142453938311e-18, -1.276925400709959526e-17, 2.479758919089733066e-17,
-5.409599147666297957e-18, 9.585415594114323829e-18, 7.784470643106252464e-18,
--3.541164079802125137e-18, 2.372599351477449041e-17, 4.180692268843078977e-18,
-2.034098543938166622e-17, 3.139954287184449286e-18, 7.333160666520898500e-18,
-4.738160130078732886e-19, -5.498822172446843173e-18, 1.231340452914270316e-17,
-1.058231431371112987e-17, 1.069875561873445139e-17, 1.923875492461530410e-17,
-8.261353575163771936e-18, -1.428369957377257085e-17, -1.101082790300136900e-17,
--1.893928924292642146e-17, -7.952610375793798701e-18, -2.293880475557830393e-17,
-3.088733564861919217e-17, 1.961231150484565340e-17, 2.378822732491940868e-17,
-2.246598105617042065e-17, 3.963462895355093301e-17, 2.331553074189288466e-17,
--2.494277030626540909e-17, 3.280735600183735558e-17, 2.269877745296168709e-17,
--1.137323618932958456e-17, -2.546278147285580353e-17, -4.063795683482557497e-18,
--5.455630548591626394e-18, -1.441464378193066908e-17, 2.950430737228402307e-17,
-2.672403885140095079e-17, 1.583478505144428617e-17, -3.076054864429649001e-17,
-6.943223671560007740e-18, -1.987626234335816123e-17, -2.147838844445698302e-17,
-3.473937648299456719e-17, -2.425693465918206812e-17, -3.704991905602721293e-17,
-3.061616997868383018e-17, -1.071456562778743077e-17, -4.841337011934916763e-17,
--2.269823590747287052e-17, 2.923876285774304890e-17, -4.057439412852767923e-17,
-5.460837485846687627e-17, -3.986660595210752445e-18, 1.390331103123099845e-17,
-9.438308023545392000e-17, 1.000401886936679889e-17, 3.194313981784503706e-17,
--9.650564731467513515e-17, -5.956589637160374564e-17, -1.567632251135907253e-17,
--5.490676155022364226e-18, 9.404471373566379412e-17, 7.123833804538446299e-17,
--9.159738508900378819e-17, 8.385188614028674371e-17, 7.683333629842068806e-17,
-4.172467638861439118e-17, -2.979162864892849274e-17, 7.879752739459421280e-17,
--2.196203799612310905e-18, 3.242139621534960503e-17, 2.245875015034507026e-17,
--9.283188754266129476e-18, -6.830804768926660334e-17, -1.236918499824626670e-17,
-8.745413734780278834e-17, -6.319394031144676258e-17, -8.824429373951136321e-17,
--2.599011860304134377e-17, 2.147674250751150961e-17, 1.093246171526936217e-16,
--3.307710355769516504e-17, -3.561490438648230100e-17, -9.843712133488842595e-17,
--2.324061182591627982e-17, -8.922630138234492386e-17, -9.573807110557223276e-17,
--8.263883782511013632e-17, 8.721870922223967507e-17, -6.457134743238754385e-17,
--4.396204466767636187e-17, -2.493019910264565554e-17, -1.105119435430315713e-16,
-9.211323971545051565e-17,
+        -3.125324142453938311e-18, -1.276925400709959526e-17,
+        2.479758919089733066e-17, 5.409599147666297957e-18,
+        9.585415594114323829e-18, 7.784470643106252464e-18,
+        -3.541164079802125137e-18, 2.372599351477449041e-17,
+        4.180692268843078977e-18, 2.034098543938166622e-17,
+        3.139954287184449286e-18, 7.333160666520898500e-18,
+        4.738160130078732886e-19, -5.498822172446843173e-18,
+        1.231340452914270316e-17, 1.058231431371112987e-17,
+        1.069875561873445139e-17, 1.923875492461530410e-17,
+        8.261353575163771936e-18, -1.428369957377257085e-17,
+        -1.101082790300136900e-17, -1.893928924292642146e-17,
+        -7.952610375793798701e-18, -2.293880475557830393e-17,
+        3.088733564861919217e-17, 1.961231150484565340e-17,
+        2.378822732491940868e-17, 2.246598105617042065e-17,
+        3.963462895355093301e-17, 2.331553074189288466e-17,
+        -2.494277030626540909e-17, 3.280735600183735558e-17,
+        2.269877745296168709e-17, -1.137323618932958456e-17,
+        -2.546278147285580353e-17, -4.063795683482557497e-18,
+        -5.455630548591626394e-18, -1.441464378193066908e-17,
+        2.950430737228402307e-17, 2.672403885140095079e-17,
+        1.583478505144428617e-17, -3.076054864429649001e-17,
+        6.943223671560007740e-18, -1.987626234335816123e-17,
+        -2.147838844445698302e-17, 3.473937648299456719e-17,
+        -2.425693465918206812e-17, -3.704991905602721293e-17,
+        3.061616997868383018e-17, -1.071456562778743077e-17,
+        -4.841337011934916763e-17, -2.269823590747287052e-17,
+        2.923876285774304890e-17, -4.057439412852767923e-17,
+        5.460837485846687627e-17, -3.986660595210752445e-18,
+        1.390331103123099845e-17, 9.438308023545392000e-17,
+        1.000401886936679889e-17, 3.194313981784503706e-17,
+        -9.650564731467513515e-17, -5.956589637160374564e-17,
+        -1.567632251135907253e-17, -5.490676155022364226e-18,
+        9.404471373566379412e-17, 7.123833804538446299e-17,
+        -9.159738508900378819e-17, 8.385188614028674371e-17,
+        7.683333629842068806e-17, 4.172467638861439118e-17,
+        -2.979162864892849274e-17, 7.879752739459421280e-17,
+        -2.196203799612310905e-18, 3.242139621534960503e-17,
+        2.245875015034507026e-17, -9.283188754266129476e-18,
+        -6.830804768926660334e-17, -1.236918499824626670e-17,
+        8.745413734780278834e-17, -6.319394031144676258e-17,
+        -8.824429373951136321e-17, -2.599011860304134377e-17,
+        2.147674250751150961e-17, 1.093246171526936217e-16,
+        -3.307710355769516504e-17, -3.561490438648230100e-17,
+        -9.843712133488842595e-17, -2.324061182591627982e-17,
+        -8.922630138234492386e-17, -9.573807110557223276e-17,
+        -8.263883782511013632e-17, 8.721870922223967507e-17,
+        -6.457134743238754385e-17, -4.396204466767636187e-17,
+        -2.493019910264565554e-17, -1.105119435430315713e-16,
+        9.211323971545051565e-17,
 };
 
 /*
  * mx_atan(x,err)
  * Table look-up algorithm

@@ -240,10 +276,11 @@
 #define P5 p[9]
 #define P6 p[10]
 #define P7 p[11]
 #define P8 p[12]
 #define P9 p[13]
+
 static const double p[] = {
         1.0,
         0.0,
         -3.33333333333333314830e-01,    /* p1   = BFD55555 55555555 */
         -1.85030852238476921863e-17,    /* p1_l = BC755525 9783A49C */

@@ -256,14 +293,16 @@
         7.69230541541713053189e-02,     /* p6   = 3FB3B13A B1E68DE6 */
         -6.66645815401964159097e-02,    /* p7   = BFB110EE 1584446A */
         5.87081768778560317279e-02,     /* p8   = 3FAE0EFF 87657733 */
         -4.90818147456113240690e-02,    /* p9   = BFA92140 6A524B5C */
 };
+
 #define Q1 q[2]
 #define Q3 q[6]
 #define Q4 q[7]
 #define Q5 q[8]
+
 static const double q[] = {
         1.0,
         0.0,
         -3.33333333333333314830e-01,    /* q1   = BFD55555 55555555 */
         -1.85022941571278638733e-17,    /* q1_l = BC7554E9 D20EFA66 */

@@ -271,47 +310,49 @@
         -1.28782564407438833398e-17,    /* q2_l = BC6DB1FB 17217417 */
         -1.42857142855492280642e-01,    /* q3   = BFC24924 92483C46 */
         1.11111097130183356096e-01,     /* q4   = 3FBC71C6 E06595CC */
         -9.08553303569109294013e-02,    /* q5   = BFB7424B 808CDA76 */
 };
-static const double
-one = 1.0,
-pio2hi = 1.570796326794896558e+00,
-pio2lo = 6.123233995736765886e-17;
+
+static const double one = 1.0,
+        pio2hi = 1.570796326794896558e+00,
+        pio2lo = 6.123233995736765886e-17;
 
 static double
-mx_atan(double x, double *err) {
-        double y, z, r, s, t, w, s_h, s_l, x_h, x_l, zz[3], ee[2], z_h,
-                z_l, r_h, r_l, u, v;
+mx_atan(double x, double *err)
+{
+        double y, z, r, s, t, w, s_h, s_l, x_h, x_l, zz[3], ee[2], z_h, z_l,
+            r_h, r_l, u, v;
         int ix, iy, sign, j;
 
-        ix = ((int *) &x)[HIWORD];
+        ix = ((int *)&x)[HIWORD];
         sign = ix & 0x80000000;
         ix ^= sign;
 
         /* for |x| < 1/8 */
         if (ix < 0x3fc00000) {
                 if (ix < 0x3f300000) {  /* when |x| < 2**-12 */
                         if (ix < 0x3d800000) {  /* if |x| < 2**-39 */
-                                *err = (double) ((int) x);
+                                *err = (double)((int)x);
                                 return (x);
                         }
+
                         z = x * x;
                         t = x * z * (q[2] + z * (q[4] + z * q[6]));
                         r = x + t;
                         *err = t - (r - x);
                         return (r);
                 }
+
                 z = x * x;
 
                 /* use double precision at p4 and on */
-                ee[0] = z *
-                        (P4 + z *
-                        (P5 + z * (P6 + z * (P7 + z * (P8 + z * P9)))));
+                ee[0] = z * (P4 + z * (P5 + z * (P6 + z * (P7 + z * (P8 + z *
+                    P9)))));
 
-                x_h = (double) ((float) x);
-                z_h = (double) ((float) z);
+                x_h = (double)((float)x);
+                z_h = (double)((float)z);
                 x_l = x - x_h;
                 z_l = (x_h * x_h - z_h);
                 zz[0] = z;
                 zz[1] = z_h;
                 zz[2] = z_l + x_l * (x + x_h);

@@ -328,99 +369,107 @@
                 t = x * ee[1] + x_l * ee[0];
                 s = t + r;
                 *err = t - (s - r);
                 return (s);
         }
+
         /* for |x| >= 8.0 */
         if (ix >= 0x40200000) { /* x >=  8 */
                 x = fabs(x);
+
                 if (ix >= 0x42600000) { /* x >=  2**39 */
-                        if (ix >= 0x44c00000) { /* x >=  2**77 */
+                        if (ix >= 0x44c00000)   /* x >=  2**77 */
                                 y = -pio2lo;
-                        } else
+                        else
                                 y = one / x - pio2lo;
+
                         if (sign == 0) {
                                 t = pio2hi - y;
                                 *err = -(y - (pio2hi - t));
                         } else {
                                 t = y - pio2hi;
                                 *err = y - (pio2hi + t);
                         }
+
                         return (t);
                 } else {
                         /* compute r = 1/x */
                         r = one / x;
                         z = r * r;
-                        if (ix < 0x40504000) {  /* 8 <  x <  65 */
 
+                        if (ix < 0x40504000) {  /* 8 <  x <  65 */
                                 /* use double precision at p4 and on */
-                                ee[0] = z *
-                                        (P4 + z *
-                                        (P5 + z *
-                                        (P6 + z * (P7 + z * (P8 + z * P9)))));
-                                x_h = (double) ((float) x);
-                                r_h = (double) ((float) r);
-                                z_h = (double) ((float) z);
+                                ee[0] = z * (P4 + z * (P5 + z * (P6 + z * (P7 +
+                                    z * (P8 + z * P9)))));
+                                x_h = (double)((float)x);
+                                r_h = (double)((float)r);
+                                z_h = (double)((float)z);
                                 r_l = r * ((x_h - x) * r_h - (x_h * r_h - one));
                                 z_l = (r_h * r_h - z_h);
                                 zz[0] = z;
                                 zz[1] = z_h;
                                 zz[2] = z_l + r_l * (r + r_h);
+
                                 /*
                                  * compute (1+z*(p1+z*(p2+z*(p3+e)))) by call
                                  * mx_poly
                                  */
                                 mx_poly(zz, p, ee, 3);
                         } else { /* x < 65 < 2**39 */
                                 /* use double precision at q3 and on */
                                 ee[0] = z * (Q3 + z * (Q4 + z * Q5));
-                                x_h = (double) ((float) x);
-                                r_h = (double) ((float) r);
-                                z_h = (double) ((float) z);
+                                x_h = (double)((float)x);
+                                r_h = (double)((float)r);
+                                z_h = (double)((float)z);
                                 r_l = r * ((x_h - x) * r_h - (x_h * r_h - one));
                                 z_l = (r_h * r_h - z_h);
                                 zz[0] = z;
                                 zz[1] = z_h;
                                 zz[2] = z_l + r_l * (r + r_h);
+
                                 /*
                                  * compute (1+z*(q1+z*(q2+e))) by call
                                  * mx_poly
                                  */
                                 mx_poly(zz, q, ee, 2);
                         }
+
                         /* pio2 - r*(1+...) */
                         v = r_h * ee[0];
                         t = pio2lo - (r * ee[1] + r_l * ee[0]);
+
                         if (sign == 0) {
                                 s = pio2hi - v;
                                 t -= (v - (pio2hi - s));
                         } else {
                                 s = v - pio2hi;
                                 t = -(t - (v - (s + pio2hi)));
                         }
+
                         w = s + t;
                         *err = t - (w - s);
                         return (w);
                 }
         }
+
         /* now x is between 1/8 and 8 */
-        ((int *) &x)[HIWORD] = ix;
+        ((int *)&x)[HIWORD] = ix;
         iy = (ix + 0x00008000) & 0x7fff0000;
-        ((int *) &y)[HIWORD] = iy;
-        ((int *) &y)[LOWORD] = 0;
+        ((int *)&y)[HIWORD] = iy;
+        ((int *)&y)[LOWORD] = 0;
         j = (iy - 0x3fc00000) >> 16;
 
         w = (x - y);
         v = 1 / (one + x * y);
         s = w * v;
         z = s * s;
         /* use double precision at q3 and on */
         ee[0] = z * (Q3 + z * (Q4 + z * Q5));
-        s_h = (double) ((float) s);
-        z_h = (double) ((float) z);
-        x_h = (double) ((float) x);
-        t = (double) ((float) (one + x * y));
+        s_h = (double)((float)s);
+        z_h = (double)((float)z);
+        x_h = (double)((float)x);
+        t = (double)((float)(one + x * y));
         r = -((x_h - x) * y - (x_h * y - (t - one)));
         s_l = -v * (s_h * r - (w - s_h * t));
         z_l = (s_h * s_h - z_h);
         zz[0] = z;
         zz[1] = z_h;

@@ -432,19 +481,20 @@
         u = TBL_atan_hi[j];
         s = u + v;
         t += (v - (s - u));
         w = s + t;
         *err = t - (w - s);
+
         if (sign != 0) {
                 w = -w;
                 *err = -*err;
         }
+
         return (w);
 }
 
-static const double
-        twom768 = 6.441148769597133308e-232,    /* 2^-768 */
+static const double twom768 = 6.441148769597133308e-232,        /* 2^-768 */
         two768  = 1.552518092300708935e+231,    /* 2^768 */
         pi = 3.1415926535897931159979634685,
         pi_lo = 1.224646799147353177e-16,
         pio2 = 1.570796326794896558e+00,
         pio2_lo = 6.123233995736765886e-17,

@@ -452,70 +502,72 @@
         pio4_lo = 3.061616997868382943e-17,
         pi3o4 = 2.356194490192344836998,
         pi3o4_lo = 9.184850993605148829195e-17;
 
 double
-__k_atan2(double y, double x, double *w) {
+__k_atan2(double y, double x, double *w)
+{
         double t, xh, th, t1, t2, w1, w2;
         int ix, iy, hx, hy, lx, ly;
 
-        hy = ((int *) &y)[HIWORD];
-        ly = ((int *) &y)[LOWORD];
+        hy = ((int *)&y)[HIWORD];
+        ly = ((int *)&y)[LOWORD];
         iy = hy & ~0x80000000;
 
-        hx = ((int *) &x)[HIWORD];
-        lx = ((int *) &x)[LOWORD];
+        hx = ((int *)&x)[HIWORD];
+        lx = ((int *)&x)[LOWORD];
         ix = hx & ~0x80000000;
 
         *w = 0.0;
+
         if (ix >= 0x7ff00000 || iy >= 0x7ff00000) {     /* ignore inexact */
-                if (isnan(x) || isnan(y))
+                if (isnan(x) || isnan(y)) {
                         return (x * y);
-                else if (iy < 0x7ff00000) {
+                } else if (iy < 0x7ff00000) {
                         if (hx >= 0) {  /* ATAN2(+-finite, +inf) is +-0 */
                                 *w *= y;
                                 return (*w);
                         } else {        /* ATAN2(+-finite, -inf) is +-pi */
                                 *w = copysign(pi_lo, y);
                                 return (copysign(pi, y));
                         }
                 } else if (ix < 0x7ff00000) {
                                         /* ATAN2(+-inf, finite) is +-pi/2 */
-                        *w = (hy >= 0)? pio2_lo : -pio2_lo;
-                        return ((hy >= 0)? pio2 : -pio2);
+                        *w = (hy >= 0) ? pio2_lo : -pio2_lo;
+                        return ((hy >= 0) ? pio2 : -pio2);
                 } else if (hx > 0) {    /* ATAN2(+-INF,+INF) = +-pi/4 */
-                        *w = (hy >= 0)? pio4_lo : -pio4_lo;
-                        return ((hy >= 0)? pio4 : -pio4);
+                        *w = (hy >= 0) ? pio4_lo : -pio4_lo;
+                        return ((hy >= 0) ? pio4 : -pio4);
                 } else {                /* ATAN2(+-INF,-INF) = +-3pi/4 */
-                        *w = (hy >= 0)? pi3o4_lo : -pi3o4_lo;
-                        return ((hy >= 0)? pi3o4 : -pi3o4);
+                        *w = (hy >= 0) ? pi3o4_lo : -pi3o4_lo;
+                        return ((hy >= 0) ? pi3o4 : -pi3o4);
                 }
         } else if ((ix | lx) == 0 || (iy | ly) == 0) {
                 if ((iy | ly) == 0) {
-                        if (hx >= 0) /* ATAN2(+-0, +(0 <= x <= inf)) is +-0 */
+                        if (hx >= 0) { /* ATAN2(+-0, +(0 <= x <= inf)) is +-0 */
                                 return (y);
-                        else {  /* ATAN2(+-0, -(0 <= x <= inf)) is +-pi */
-                                *w = (hy >= 0)? pi_lo : -pi_lo;
-                                return ((hy >= 0)? pi : -pi);
+                        } else { /* ATAN2(+-0, -(0 <= x <= inf)) is +-pi */
+                                *w = (hy >= 0) ? pi_lo : -pi_lo;
+                                return ((hy >= 0) ? pi : -pi);
                         }
                 } else { /* ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2 */
-                        *w = (hy >= 0)? pio2_lo : -pio2_lo;
-                        return ((hy >= 0)? pio2 : -pio2);
+                        *w = (hy >= 0) ? pio2_lo : -pio2_lo;
+                        return ((hy >= 0) ? pio2 : -pio2);
                 }
         } else if (iy - ix > 0x06400000) { /* |x/y| < 2 ** -100 */
-                *w = (hy >= 0)? pio2_lo : -pio2_lo;
-                return ((hy >= 0)? pio2 : -pio2);
+                *w = (hy >= 0) ? pio2_lo : -pio2_lo;
+                return ((hy >= 0) ? pio2 : -pio2);
         } else if (ix - iy > 0x06400000) { /* |y/x| < 2 ** -100 */
                 if (hx < 0) {
-                        *w = (hy >= 0)? pi_lo : -pi_lo;
-                        return ((hy >= 0)? pi : -pi);
+                        *w = (hy >= 0) ? pi_lo : -pi_lo;
+                        return ((hy >= 0) ? pi : -pi);
                 } else {
                         t = y / x;
                         th = t;
-                        ((int *) &th)[LOWORD] &= 0xf8000000;
+                        ((int *)&th)[LOWORD] &= 0xf8000000;
                         xh = x;
-                        ((int *) &xh)[LOWORD] &= 0xf8000000;
+                        ((int *)&xh)[LOWORD] &= 0xf8000000;
                         t1 = (x - xh) * t + xh * (t - th);
                         t2 = y - xh * th;
                         *w = (t2 - t1) / x;
                         return (t);
                 }

@@ -525,26 +577,29 @@
                         y *= twom768;
                 } else if (ix < 0x23d00000) {
                         x *= two768;
                         y *= two768;
                 }
+
                 y = fabs(y);
                 x = fabs(x);
                 t = y / x;
                 th = t;
-                ((int *) &th)[LOWORD] &= 0xf8000000;
+                ((int *)&th)[LOWORD] &= 0xf8000000;
                 xh = x;
-                ((int *) &xh)[LOWORD] &= 0xf8000000;
+                ((int *)&xh)[LOWORD] &= 0xf8000000;
                 t1 = (x - xh) * t + xh * (t - th);
                 t2 = y - xh * th;
                 w1 = mx_atan(t, &w2);
                 w2 += (t2 - t1) / (x + y * t);
+
                 if (hx < 0) {
                         t1 = pi - w1;
                         t2 = pi - t1;
                         w2 = (pi_lo - w2) - (w1 - t2);
                         w1 = t1;
                 }
-                *w = (hy >= 0)? w2 : -w2;
-                return ((hy >= 0)? w1 : -w1);
+
+                *w = (hy >= 0) ? w2 : -w2;
+                return ((hy >= 0) ? w1 : -w1);
         }
 }