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authorSiddhesh Poyarekar <siddhesh@redhat.com>2013-01-14 21:31:25 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2013-01-14 21:53:43 +0530
commit1066a53440d2744566e97c59bcd0d422186b3e90 (patch)
tree6a33b17d2efa2a1b105fbabd44d4f3c2d0e09c46 /sysdeps/ieee754
parente34ab7055034ee0815473f8006def7ce20017f33 (diff)
downloadglibc-1066a53440d2744566e97c59bcd0d422186b3e90.tar.gz
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Fix code formatting in mpa.c
This includes the overridden mpa.c in power4.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/dbl-64/mpa.c691
1 files changed, 463 insertions, 228 deletions
diff --git a/sysdeps/ieee754/dbl-64/mpa.c b/sysdeps/ieee754/dbl-64/mpa.c
index 7abad67823..b3bfa6c0fe 100644
--- a/sysdeps/ieee754/dbl-64/mpa.c
+++ b/sysdeps/ieee754/dbl-64/mpa.c
@@ -60,30 +60,45 @@ const mp_no mptwo = {1, {1.0, 2.0}};
 /* Compare mantissa of two multiple precision numbers regardless of the sign
    and exponent of the numbers.  */
 static int
-mcr(const mp_no *x, const mp_no *y, int p) {
+mcr (const mp_no *x, const mp_no *y, int p)
+{
   int i;
-  for (i=1; i<=p; i++) {
-    if      (X[i] == Y[i])  continue;
-    else if (X[i] >  Y[i])  return  1;
-    else                    return -1; }
+  for (i = 1; i <= p; i++)
+    {
+      if (X[i] == Y[i])
+	continue;
+      else if (X[i] > Y[i])
+	return 1;
+      else
+	return -1;
+    }
   return 0;
 }
 
 /* Compare the absolute values of two multiple precision numbers.  */
 int
-__acr(const mp_no *x, const mp_no *y, int p) {
+__acr (const mp_no *x, const mp_no *y, int p)
+{
   int i;
 
-  if      (X[0] == ZERO) {
-    if    (Y[0] == ZERO) i= 0;
-    else                 i=-1;
-  }
-  else if (Y[0] == ZERO) i= 1;
-  else {
-    if      (EX >  EY)   i= 1;
-    else if (EX <  EY)   i=-1;
-    else                 i= mcr(x,y,p);
-  }
+  if (X[0] == ZERO)
+    {
+      if (Y[0] == ZERO)
+	i = 0;
+      else
+	i = -1;
+    }
+  else if (Y[0] == ZERO)
+    i = 1;
+  else
+    {
+      if (EX > EY)
+	i = 1;
+      else if (EX < EY)
+	i = -1;
+      else
+	i = mcr (x, y, p);
+    }
 
   return i;
 }
@@ -92,59 +107,86 @@ __acr(const mp_no *x, const mp_no *y, int p) {
 #ifndef NO___CPY
 /* Copy multiple precision number X into Y.  They could be the same
    number.  */
-void __cpy(const mp_no *x, mp_no *y, int p) {
+void
+__cpy (const mp_no *x, mp_no *y, int p)
+{
   EY = EX;
-  for (int i=0; i <= p; i++)    Y[i] = X[i];
+  for (int i = 0; i <= p; i++)
+    Y[i] = X[i];
 }
 #endif
 
 #ifndef NO___MP_DBL
 /* Convert a multiple precision number *X into a double precision
    number *Y, normalized case  (|x| >= 2**(-1022))).  */
-static void norm(const mp_no *x, double *y, int p)
+static void
+norm (const mp_no *x, double *y, int p)
 {
-  #define R  RADIXI
+#define R  RADIXI
   int i;
-  double a,c,u,v,z[5];
-  if (p<5) {
-    if      (p==1) c = X[1];
-    else if (p==2) c = X[1] + R* X[2];
-    else if (p==3) c = X[1] + R*(X[2]  +   R* X[3]);
-    else if (p==4) c =(X[1] + R* X[2]) + R*R*(X[3] + R*X[4]);
-  }
-  else {
-    for (a=ONE, z[1]=X[1]; z[1] < TWO23; )
-	{a *= TWO;   z[1] *= TWO; }
-
-    for (i=2; i<5; i++) {
-      z[i] = X[i]*a;
-      u = (z[i] + CUTTER)-CUTTER;
-      if  (u > z[i])  u -= RADIX;
-      z[i] -= u;
-      z[i-1] += u*RADIXI;
-    }
-
-    u = (z[3] + TWO71) - TWO71;
-    if (u > z[3])   u -= TWO19;
-    v = z[3]-u;
-
-    if (v == TWO18) {
-      if (z[4] == ZERO) {
-	for (i=5; i <= p; i++) {
-	  if (X[i] == ZERO)   continue;
-	  else                {z[3] += ONE;   break; }
-	}
-      }
-      else              z[3] += ONE;
+  double a, c, u, v, z[5];
+  if (p < 5)
+    {
+      if (p == 1)
+	c = X[1];
+      else if (p == 2)
+	c = X[1] + R * X[2];
+      else if (p == 3)
+	c = X[1] + R * (X[2] + R * X[3]);
+      else if (p == 4)
+	c = (X[1] + R * X[2]) + R * R * (X[3] + R * X[4]);
     }
+  else
+    {
+      for (a = ONE, z[1] = X[1]; z[1] < TWO23;)
+	{
+	  a *= TWO;
+	  z[1] *= TWO;
+	}
 
-    c = (z[1] + R *(z[2] + R * z[3]))/a;
-  }
+      for (i = 2; i < 5; i++)
+	{
+	  z[i] = X[i] * a;
+	  u = (z[i] + CUTTER) - CUTTER;
+	  if (u > z[i])
+	    u -= RADIX;
+	  z[i] -= u;
+	  z[i - 1] += u * RADIXI;
+	}
+
+      u = (z[3] + TWO71) - TWO71;
+      if (u > z[3])
+	u -= TWO19;
+      v = z[3] - u;
+
+      if (v == TWO18)
+	{
+	  if (z[4] == ZERO)
+	    {
+	      for (i = 5; i <= p; i++)
+		{
+		  if (X[i] == ZERO)
+		    continue;
+		  else
+		    {
+		      z[3] += ONE;
+		      break;
+		    }
+		}
+	    }
+	  else
+	    z[3] += ONE;
+	}
+
+      c = (z[1] + R * (z[2] + R * z[3])) / a;
+    }
 
   c *= X[0];
 
-  for (i=1; i<EX; i++)   c *= RADIX;
-  for (i=1; i>EX; i--)   c *= RADIXI;
+  for (i = 1; i < EX; i++)
+    c *= RADIX;
+  for (i = 1; i > EX; i--)
+    c *= RADIXI;
 
   *y = c;
 #undef R
@@ -152,58 +194,129 @@ static void norm(const mp_no *x, double *y, int p)
 
 /* Convert a multiple precision number *X into a double precision
    number *Y, Denormal case  (|x| < 2**(-1022))).  */
-static void denorm(const mp_no *x, double *y, int p)
+static void
+denorm (const mp_no *x, double *y, int p)
 {
-  int i,k;
-  double c,u,z[5];
+  int i, k;
+  double c, u, z[5];
 
 #define R  RADIXI
-  if (EX<-44 || (EX==-44 && X[1]<TWO5))
-     { *y=ZERO; return; }
-
-  if      (p==1) {
-    if      (EX==-42) {z[1]=X[1]+TWO10;  z[2]=ZERO;  z[3]=ZERO;  k=3;}
-    else if (EX==-43) {z[1]=     TWO10;  z[2]=X[1];  z[3]=ZERO;  k=2;}
-    else              {z[1]=     TWO10;  z[2]=ZERO;  z[3]=X[1];  k=1;}
-  }
-  else if (p==2) {
-    if      (EX==-42) {z[1]=X[1]+TWO10;  z[2]=X[2];  z[3]=ZERO;  k=3;}
-    else if (EX==-43) {z[1]=     TWO10;  z[2]=X[1];  z[3]=X[2];  k=2;}
-    else              {z[1]=     TWO10;  z[2]=ZERO;  z[3]=X[1];  k=1;}
-  }
-  else {
-    if      (EX==-42) {z[1]=X[1]+TWO10;  z[2]=X[2];  k=3;}
-    else if (EX==-43) {z[1]=     TWO10;  z[2]=X[1];  k=2;}
-    else              {z[1]=     TWO10;  z[2]=ZERO;  k=1;}
-    z[3] = X[k];
-  }
+  if (EX < -44 || (EX == -44 && X[1] < TWO5))
+    {
+      *y = ZERO;
+      return;
+    }
+
+  if (p == 1)
+    {
+      if (EX == -42)
+	{
+	  z[1] = X[1] + TWO10;
+	  z[2] = ZERO;
+	  z[3] = ZERO;
+	  k = 3;
+	}
+      else if (EX == -43)
+	{
+	  z[1] = TWO10;
+	  z[2] = X[1];
+	  z[3] = ZERO;
+	  k = 2;
+	}
+      else
+	{
+	  z[1] = TWO10;
+	  z[2] = ZERO;
+	  z[3] = X[1];
+	  k = 1;
+	}
+    }
+  else if (p == 2)
+    {
+      if (EX == -42)
+	{
+	  z[1] = X[1] + TWO10;
+	  z[2] = X[2];
+	  z[3] = ZERO;
+	  k = 3;
+	}
+      else if (EX == -43)
+	{
+	  z[1] = TWO10;
+	  z[2] = X[1];
+	  z[3] = X[2];
+	  k = 2;
+	}
+      else
+	{
+	  z[1] = TWO10;
+	  z[2] = ZERO;
+	  z[3] = X[1];
+	  k = 1;
+	}
+    }
+  else
+    {
+      if (EX == -42)
+	{
+	  z[1] = X[1] + TWO10;
+	  z[2] = X[2];
+	  k = 3;
+	}
+      else if (EX == -43)
+	{
+	  z[1] = TWO10;
+	  z[2] = X[1];
+	  k = 2;
+	}
+      else
+	{
+	  z[1] = TWO10;
+	  z[2] = ZERO;
+	  k = 1;
+	}
+      z[3] = X[k];
+    }
 
   u = (z[3] + TWO57) - TWO57;
-  if  (u > z[3])   u -= TWO5;
+  if (u > z[3])
+    u -= TWO5;
 
-  if (u==z[3]) {
-    for (i=k+1; i <= p; i++) {
-      if (X[i] == ZERO)   continue;
-      else {z[3] += ONE;   break; }
+  if (u == z[3])
+    {
+      for (i = k + 1; i <= p; i++)
+	{
+	  if (X[i] == ZERO)
+	    continue;
+	  else
+	    {
+	      z[3] += ONE;
+	      break;
+	    }
+	}
     }
-  }
 
-  c = X[0]*((z[1] + R*(z[2] + R*z[3])) - TWO10);
+  c = X[0] * ((z[1] + R * (z[2] + R * z[3])) - TWO10);
 
-  *y = c*TWOM1032;
+  *y = c * TWOM1032;
 #undef R
 }
 
 /* Convert multiple precision number *X into double precision number *Y.  The
    result is correctly rounded to the nearest/even.  */
-void __mp_dbl(const mp_no *x, double *y, int p) {
-
-  if (X[0] == ZERO)  {*y = ZERO;  return; }
+void
+__mp_dbl (const mp_no *x, double *y, int p)
+{
+  if (X[0] == ZERO)
+    {
+      *y = ZERO;
+      return;
+    }
 
   if (__glibc_likely (EX > -42 || (EX == -42 && X[1] >= TWO10)))
-    norm(x,y,p);
+    norm (x, y, p);
   else
-    denorm(x,y,p);
+    denorm (x, y, p);
 }
 #endif
 
@@ -211,27 +324,44 @@ void __mp_dbl(const mp_no *x, double *y, int p) {
    small, the result is truncated.  */
 void
 SECTION
-__dbl_mp(double x, mp_no *y, int p) {
-
-  int i,n;
+__dbl_mp (double x, mp_no *y, int p)
+{
+  int i, n;
   double u;
 
   /* Sign.  */
-  if      (x == ZERO)  {Y[0] = ZERO;  return; }
-  else if (x >  ZERO)   Y[0] = ONE;
-  else                 {Y[0] = MONE;  x=-x;   }
+  if (x == ZERO)
+    {
+      Y[0] = ZERO;
+      return;
+    }
+  else if (x > ZERO)
+    Y[0] = ONE;
+  else
+    {
+      Y[0] = MONE;
+      x = -x;
+    }
 
   /* Exponent.  */
-  for (EY=ONE; x >= RADIX; EY += ONE)   x *= RADIXI;
-  for (      ; x <  ONE;   EY -= ONE)   x *= RADIX;
+  for (EY = ONE; x >= RADIX; EY += ONE)
+    x *= RADIXI;
+  for (; x < ONE; EY -= ONE)
+    x *= RADIX;
 
   /* Digits.  */
-  n=MIN(p,4);
-  for (i=1; i<=n; i++) {
-    u = (x + TWO52) - TWO52;
-    if (u>x)   u -= ONE;
-    Y[i] = u;     x -= u;    x *= RADIX; }
-  for (   ; i<=p; i++)     Y[i] = ZERO;
+  n = MIN (p, 4);
+  for (i = 1; i <= n; i++)
+    {
+      u = (x + TWO52) - TWO52;
+      if (u > x)
+	u -= ONE;
+      Y[i] = u;
+      x -= u;
+      x *= RADIX;
+    }
+  for (; i <= p; i++)
+    Y[i] = ZERO;
 }
 
 /* Add magnitudes of *X and *Y assuming that abs (*X) >= abs (*Y) > 0.  The
@@ -240,39 +370,55 @@ __dbl_mp(double x, mp_no *y, int p) {
    truncated.  */
 static void
 SECTION
-add_magnitudes(const mp_no *x, const mp_no *y, mp_no *z, int p) {
-
-  int i,j,k;
+add_magnitudes (const mp_no *x, const mp_no *y, mp_no *z, int p)
+{
+  int i, j, k;
 
   EZ = EX;
 
-  i=p;    j=p+ EY - EX;    k=p+1;
-
-  if (j<1)
-     {__cpy(x,z,p);  return; }
-  else   Z[k] = ZERO;
-
-  for (; j>0; i--,j--) {
-    Z[k] += X[i] + Y[j];
-    if (Z[k] >= RADIX) {
-      Z[k]  -= RADIX;
-      Z[--k] = ONE; }
-    else
-      Z[--k] = ZERO;
-  }
-
-  for (; i>0; i--) {
-    Z[k] += X[i];
-    if (Z[k] >= RADIX) {
-      Z[k]  -= RADIX;
-      Z[--k] = ONE; }
-    else
-      Z[--k] = ZERO;
-  }
-
-  if (Z[1] == ZERO) {
-    for (i=1; i<=p; i++)    Z[i] = Z[i+1]; }
-  else   EZ += ONE;
+  i = p;
+  j = p + EY - EX;
+  k = p + 1;
+
+  if (j < 1)
+    {
+      __cpy (x, z, p);
+      return;
+    }
+  else
+    Z[k] = ZERO;
+
+  for (; j > 0; i--, j--)
+    {
+      Z[k] += X[i] + Y[j];
+      if (Z[k] >= RADIX)
+	{
+	  Z[k] -= RADIX;
+	  Z[--k] = ONE;
+	}
+      else
+	Z[--k] = ZERO;
+    }
+
+  for (; i > 0; i--)
+    {
+      Z[k] += X[i];
+      if (Z[k] >= RADIX)
+	{
+	  Z[k] -= RADIX;
+	  Z[--k] = ONE;
+	}
+      else
+	Z[--k] = ZERO;
+    }
+
+  if (Z[1] == ZERO)
+    {
+      for (i = 1; i <= p; i++)
+	Z[i] = Z[i + 1];
+    }
+  else
+    EZ += ONE;
 }
 
 /* Subtract the magnitudes of *X and *Y assuming that abs (*x) > abs (*y) > 0.
@@ -281,52 +427,73 @@ add_magnitudes(const mp_no *x, const mp_no *y, mp_no *z, int p) {
    ULP.  */
 static void
 SECTION
-sub_magnitudes(const mp_no *x, const mp_no *y, mp_no *z, int p) {
-
-  int i,j,k;
+sub_magnitudes (const mp_no *x, const mp_no *y, mp_no *z, int p)
+{
+  int i, j, k;
 
   EZ = EX;
 
-  if (EX == EY) {
-    i=j=k=p;
-    Z[k] = Z[k+1] = ZERO; }
-  else {
-    j= EX - EY;
-    if (j > p)  {__cpy(x,z,p);  return; }
-    else {
-      i=p;   j=p+1-j;   k=p;
-      if (Y[j] > ZERO) {
-	Z[k+1] = RADIX - Y[j--];
-	Z[k]   = MONE; }
-      else {
-	Z[k+1] = ZERO;
-	Z[k]   = ZERO;   j--;}
-    }
-  }
-
-  for (; j>0; i--,j--) {
-    Z[k] += (X[i] - Y[j]);
-    if (Z[k] < ZERO) {
-      Z[k]  += RADIX;
-      Z[--k] = MONE; }
-    else
-      Z[--k] = ZERO;
-  }
-
-  for (; i>0; i--) {
-    Z[k] += X[i];
-    if (Z[k] < ZERO) {
-      Z[k]  += RADIX;
-      Z[--k] = MONE; }
-    else
-      Z[--k] = ZERO;
-  }
-
-  for (i=1; Z[i] == ZERO; i++) ;
+  if (EX == EY)
+    {
+      i = j = k = p;
+      Z[k] = Z[k + 1] = ZERO;
+    }
+  else
+    {
+      j = EX - EY;
+      if (j > p)
+	{
+	  __cpy (x, z, p);
+	  return;
+	}
+      else
+	{
+	  i = p;
+	  j = p + 1 - j;
+	  k = p;
+	  if (Y[j] > ZERO)
+	    {
+	      Z[k + 1] = RADIX - Y[j--];
+	      Z[k] = MONE;
+	    }
+	  else
+	    {
+	      Z[k + 1] = ZERO;
+	      Z[k] = ZERO;
+	      j--;
+	    }
+	}
+    }
+
+  for (; j > 0; i--, j--)
+    {
+      Z[k] += (X[i] - Y[j]);
+      if (Z[k] < ZERO)
+	{
+	  Z[k] += RADIX;
+	  Z[--k] = MONE;
+	}
+      else
+	Z[--k] = ZERO;
+    }
+
+  for (; i > 0; i--)
+    {
+      Z[k] += X[i];
+      if (Z[k] < ZERO)
+	{
+	  Z[k] += RADIX;
+	  Z[--k] = MONE;
+	}
+      else
+	Z[--k] = ZERO;
+    }
+
+  for (i = 1; Z[i] == ZERO; i++);
   EZ = EZ - i + 1;
-  for (k=1; i <= p+1; )
+  for (k = 1; i <= p + 1;)
     Z[k++] = Z[i++];
-  for (; k <= p; )
+  for (; k <= p;)
     Z[k++] = ZERO;
 }
 
@@ -335,22 +502,49 @@ sub_magnitudes(const mp_no *x, const mp_no *y, mp_no *z, int p) {
    ULP.  */
 void
 SECTION
-__add(const mp_no *x, const mp_no *y, mp_no *z, int p) {
-
+__add (const mp_no *x, const mp_no *y, mp_no *z, int p)
+{
   int n;
 
-  if      (X[0] == ZERO)     {__cpy(y,z,p);  return; }
-  else if (Y[0] == ZERO)     {__cpy(x,z,p);  return; }
-
-  if (X[0] == Y[0])   {
-    if (__acr(x,y,p) > 0)      {add_magnitudes(x,y,z,p);  Z[0] = X[0]; }
-    else                     {add_magnitudes(y,x,z,p);  Z[0] = Y[0]; }
-  }
-  else                       {
-    if ((n=__acr(x,y,p)) == 1) {sub_magnitudes(x,y,z,p);  Z[0] = X[0]; }
-    else if (n == -1)        {sub_magnitudes(y,x,z,p);  Z[0] = Y[0]; }
-    else                      Z[0] = ZERO;
-  }
+  if (X[0] == ZERO)
+    {
+      __cpy (y, z, p);
+      return;
+    }
+  else if (Y[0] == ZERO)
+    {
+      __cpy (x, z, p);
+      return;
+    }
+
+  if (X[0] == Y[0])
+    {
+      if (__acr (x, y, p) > 0)
+	{
+	  add_magnitudes (x, y, z, p);
+	  Z[0] = X[0];
+	}
+      else
+	{
+	  add_magnitudes (y, x, z, p);
+	  Z[0] = Y[0];
+	}
+    }
+  else
+    {
+      if ((n = __acr (x, y, p)) == 1)
+	{
+	  sub_magnitudes (x, y, z, p);
+	  Z[0] = X[0];
+	}
+      else if (n == -1)
+	{
+	  sub_magnitudes (y, x, z, p);
+	  Z[0] = Y[0];
+	}
+      else
+	Z[0] = ZERO;
+    }
 }
 
 /* Subtract *Y from *X and return the result in *Z.  X and Y may overlap but
@@ -358,22 +552,50 @@ __add(const mp_no *x, const mp_no *y, mp_no *z, int p) {
    one ULP.  */
 void
 SECTION
-__sub(const mp_no *x, const mp_no *y, mp_no *z, int p) {
-
+__sub (const mp_no *x, const mp_no *y, mp_no *z, int p)
+{
   int n;
 
-  if      (X[0] == ZERO)     {__cpy(y,z,p);  Z[0] = -Z[0];  return; }
-  else if (Y[0] == ZERO)     {__cpy(x,z,p);                 return; }
-
-  if (X[0] != Y[0])    {
-    if (__acr(x,y,p) > 0)      {add_magnitudes(x,y,z,p);  Z[0] =  X[0]; }
-    else                     {add_magnitudes(y,x,z,p);  Z[0] = -Y[0]; }
-  }
-  else                       {
-    if ((n=__acr(x,y,p)) == 1) {sub_magnitudes(x,y,z,p);  Z[0] =  X[0]; }
-    else if (n == -1)        {sub_magnitudes(y,x,z,p);  Z[0] = -Y[0]; }
-    else                      Z[0] = ZERO;
-  }
+  if (X[0] == ZERO)
+    {
+      __cpy (y, z, p);
+      Z[0] = -Z[0];
+      return;
+    }
+  else if (Y[0] == ZERO)
+    {
+      __cpy (x, z, p);
+      return;
+    }
+
+  if (X[0] != Y[0])
+    {
+      if (__acr (x, y, p) > 0)
+	{
+	  add_magnitudes (x, y, z, p);
+	  Z[0] = X[0];
+	}
+      else
+	{
+	  add_magnitudes (y, x, z, p);
+	  Z[0] = -Y[0];
+	}
+    }
+  else
+    {
+      if ((n = __acr (x, y, p)) == 1)
+	{
+	  sub_magnitudes (x, y, z, p);
+	  Z[0] = X[0];
+	}
+      else if (n == -1)
+	{
+	  sub_magnitudes (y, x, z, p);
+	  Z[0] = -Y[0];
+	}
+      else
+	Z[0] = ZERO;
+    }
 }
 
 /* Multiply *X and *Y and store result in *Z.  X and Y may overlap but not X
@@ -381,15 +603,15 @@ __sub(const mp_no *x, const mp_no *y, mp_no *z, int p) {
    digits.  In case P > 3 the error is bounded by 1.001 ULP.  */
 void
 SECTION
-__mul(const mp_no *x, const mp_no *y, mp_no *z, int p) {
-
+__mul (const mp_no *x, const mp_no *y, mp_no *z, int p)
+{
   int i, j, k, k2;
   double u;
 
   /* Is z=0?  */
   if (__glibc_unlikely (X[0] * Y[0] == ZERO))
     {
-      Z[0]=ZERO;
+      Z[0] = ZERO;
       return;
     }
 
@@ -397,7 +619,7 @@ __mul(const mp_no *x, const mp_no *y, mp_no *z, int p) {
   k2 = (__glibc_unlikely (p < 3)) ? p + p : p + 3;
   Z[k2] = ZERO;
 
-  for (k = k2; k > p; )
+  for (k = k2; k > p;)
     {
       for (i = k - p, j = p; i < p + 1; i++, j--)
 	Z[k] += X[i] * Y[j];
@@ -411,7 +633,7 @@ __mul(const mp_no *x, const mp_no *y, mp_no *z, int p) {
 
   while (k > 1)
     {
-      for (i = 1,j = k - 1; i < k; i++, j--)
+      for (i = 1, j = k - 1; i < k; i++, j--)
 	Z[k] += X[i] * Y[j];
 
       u = (Z[k] + CUTTER) - CUTTER;
@@ -426,7 +648,7 @@ __mul(const mp_no *x, const mp_no *y, mp_no *z, int p) {
   if (__glibc_unlikely (Z[1] == ZERO))
     {
       for (i = 1; i <= p; i++)
-	Z[i] = Z[i+1];
+	Z[i] = Z[i + 1];
       EZ--;
     }
 
@@ -439,24 +661,32 @@ __mul(const mp_no *x, const mp_no *y, mp_no *z, int p) {
    - For P > 3: 2.001 * R ^ (1 - P)
 
    *X = 0 is not permissible.  */
-static
+static void
 SECTION
-void __inv(const mp_no *x, mp_no *y, int p) {
+__inv (const mp_no *x, mp_no *y, int p)
+{
   int i;
   double t;
-  mp_no z,w;
-  static const int np1[] = {0,0,0,0,1,2,2,2,2,3,3,3,3,3,3,3,3,3,
-			    4,4,4,4,4,4,4,4,4,4,4,4,4,4,4};
-
-  __cpy(x,&z,p);  z.e=0;  __mp_dbl(&z,&t,p);
-  t=ONE/t;   __dbl_mp(t,y,p);    EY -= EX;
-
-  for (i=0; i<np1[p]; i++) {
-    __cpy(y,&w,p);
-    __mul(x,&w,y,p);
-    __sub(&mptwo,y,&z,p);
-    __mul(&w,&z,y,p);
-  }
+  mp_no z, w;
+  static const int np1[] =
+    { 0, 0, 0, 0, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4
+  };
+
+  __cpy (x, &z, p);
+  z.e = 0;
+  __mp_dbl (&z, &t, p);
+  t = ONE / t;
+  __dbl_mp (t, y, p);
+  EY -= EX;
+
+  for (i = 0; i < np1[p]; i++)
+    {
+      __cpy (y, &w, p);
+      __mul (x, &w, y, p);
+      __sub (&mptwo, y, &z, p);
+      __mul (&w, &z, y, p);
+    }
 }
 
 /* Divide *X by *Y and store result in *Z.  X and Y may overlap but not X and Z
@@ -468,10 +698,15 @@ void __inv(const mp_no *x, mp_no *y, int p) {
    *X = 0 is not permissible.  */
 void
 SECTION
-__dvd(const mp_no *x, const mp_no *y, mp_no *z, int p) {
-
+__dvd (const mp_no *x, const mp_no *y, mp_no *z, int p)
+{
   mp_no w;
 
-  if (X[0] == ZERO)    Z[0] = ZERO;
-  else                {__inv(y,&w,p);   __mul(x,&w,z,p);}
+  if (X[0] == ZERO)
+    Z[0] = ZERO;
+  else
+    {
+      __inv (y, &w, p);
+      __mul (x, &w, z, p);
+    }
 }