Remove ZERO and MZERO macros

6 files changed, 51 insertions, 53 deletions

diff --git a/sysdeps/ieee754/dbl-64/e_atan2.c b/sysdeps/ieee754/dbl-64/e_atan2.c
index bfe0b3b632..4ebe9c01f9 100644
--- a/sysdeps/ieee754/dbl-64/e_atan2.c
+++ b/sysdeps/ieee754/dbl-64/e_atan2.c
@@ -104,7 +104,7 @@ __ieee754_atan2 (double y, double x)
       if (dy == 0x00000000)
 	{
 	  if ((ux & 0x80000000) == 0x00000000)
-	    return ZERO;
+	    return 0;
 	  else
 	    return opi.d;
 	}
@@ -114,14 +114,14 @@ __ieee754_atan2 (double y, double x)
       if (dy == 0x00000000)
 	{
 	  if ((ux & 0x80000000) == 0x00000000)
-	    return MZERO;
+	    return -0.0;
 	  else
 	    return mopi.d;
 	}
     }
 
   /* x=+-0 */
-  if (x == ZERO)
+  if (x == 0)
     {
       if ((uy & 0x80000000) == 0x00000000)
 	return hpi.d;
@@ -147,9 +147,9 @@ __ieee754_atan2 (double y, double x)
 	  else
 	    {
 	      if ((uy & 0x80000000) == 0x00000000)
-		return ZERO;
+		return 0;
 	      else
-		return MZERO;
+		return -0.0;
 	    }
 	}
     }
@@ -190,16 +190,16 @@ __ieee754_atan2 (double y, double x)
     }
 
   /* either x/y or y/x is very close to zero */
-  ax = (x < ZERO) ? -x : x;
-  ay = (y < ZERO) ? -y : y;
+  ax = (x < 0) ? -x : x;
+  ay = (y < 0) ? -y : y;
   de = (uy & 0x7ff00000) - (ux & 0x7ff00000);
   if (de >= ep)
     {
-      return ((y > ZERO) ? hpi.d : mhpi.d);
+      return ((y > 0) ? hpi.d : mhpi.d);
     }
   else if (de <= em)
     {
-      if (x > ZERO)
+      if (x > 0)
 	{
 	  if ((z = ay / ax) < TWOM1022)
 	    return normalized (ax, ay, y, z);
@@ -208,7 +208,7 @@ __ieee754_atan2 (double y, double x)
 	}
       else
 	{
-	  return ((y > ZERO) ? opi.d : mopi.d);
+	  return ((y > 0) ? opi.d : mopi.d);
 	}
     }
 
@@ -240,7 +240,7 @@ __ieee754_atan2 (double y, double x)
       du = ((ax - v) - vv) / ay;
     }
 
-  if (x > ZERO)
+  if (x > 0)
     {
       /* (i)   x>0, abs(y)< abs(x):  atan(ay/ax) */
       if (ay < ax)
@@ -262,7 +262,7 @@ __ieee754_atan2 (double y, double x)
 	      MUL2 (u, du, u, du, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
 	      s1 = v * (f11.d + v * (f13.d
 				     + v * (f15.d + v * (f17.d + v * f19.d))));
-	      ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+	      ADD2 (f9.d, ff9.d, s1, 0, s2, ss2, t1, t2);
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	      ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -314,7 +314,7 @@ __ieee754_atan2 (double y, double x)
 			   +  v * (hij[i][13].d
 				   + v * (hij[i][14].d
 					  + v * hij[i][15].d))));
-	  ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+	  ADD2 (hij[i][9].d, hij[i][10].d, s1, 0, s2, ss2, t1, t2);
 	  MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
 	  MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -348,7 +348,7 @@ __ieee754_atan2 (double y, double x)
 	  s1 = v * (f11.d
 		    + v * (f13.d
 			   + v * (f15.d + v * (f17.d + v * f19.d))));
-	  ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+	  ADD2 (f9.d, ff9.d, s1, 0, s2, ss2, t1, t2);
 	  MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
 	  MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -391,7 +391,7 @@ __ieee754_atan2 (double y, double x)
 			      + v * (hij[i][14].d
 				     + v * hij[i][15].d))));
 
-      ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+      ADD2 (hij[i][9].d, hij[i][10].d, s1, 0, s2, ss2, t1, t2);
       MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
       ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
       MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -426,7 +426,7 @@ __ieee754_atan2 (double y, double x)
 	  MUL2 (u, du, u, du, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
 	  s1 = v * (f11.d
 		    + v * (f13.d + v * (f15.d + v * (f17.d + v * f19.d))));
-	  ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+	  ADD2 (f9.d, ff9.d, s1, 0, s2, ss2, t1, t2);
 	  MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
 	  MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -466,7 +466,7 @@ __ieee754_atan2 (double y, double x)
 		       + v * (hij[i][13].d
 			      + v * (hij[i][14].d
 				     + v * hij[i][15].d))));
-      ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+      ADD2 (hij[i][9].d, hij[i][10].d, s1, 0, s2, ss2, t1, t2);
       MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
       ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
       MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -497,7 +497,7 @@ __ieee754_atan2 (double y, double x)
 
       MUL2 (u, du, u, du, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
       s1 = v * (f11.d + v * (f13.d + v * (f15.d + v * (f17.d + v * f19.d))));
-      ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+      ADD2 (f9.d, ff9.d, s1, 0, s2, ss2, t1, t2);
       MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
       ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
       MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -538,7 +538,7 @@ __ieee754_atan2 (double y, double x)
 		   + v * (hij[i][13].d
 			  + v * (hij[i][14].d + v * hij[i][15].d))));
 
-  ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+  ADD2 (hij[i][9].d, hij[i][10].d, s1, 0, s2, ss2, t1, t2);
   MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
   MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
diff --git a/sysdeps/ieee754/dbl-64/e_log.c b/sysdeps/ieee754/dbl-64/e_log.c
index d3b5e6ea82..f8d5a19ad0 100644
--- a/sysdeps/ieee754/dbl-64/e_log.c
+++ b/sysdeps/ieee754/dbl-64/e_log.c
@@ -79,9 +79,9 @@ __ieee754_log (double x)
   if (__builtin_expect (ux < 0x00100000, 0))
     {
       if (__builtin_expect (((ux & 0x7fffffff) | dx) == 0, 0))
-	return MHALF / ZERO;	/* return -INF */
+	return MHALF / 0.0;	/* return -INF */
       if (__builtin_expect (ux < 0, 0))
-	return (x - x) / ZERO;	/* return NaN  */
+	return (x - x) / 0.0;	/* return NaN  */
       n -= 54;
       x *= two54.d;		/* scale x     */
       num.d = x;
@@ -130,25 +130,25 @@ __ieee754_log (double x)
 
   EMULV (w, a, s2, ss2, t1, t2, t3, t4, t5);
   ADD2 (d10.d, dd10.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d9.d, dd9.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d8.d, dd8.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d7.d, dd7.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d6.d, dd6.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d5.d, dd5.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d4.d, dd4.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d3.d, dd3.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
   ADD2 (d2.d, dd2.d, s2, ss2, s3, ss3, t1, t2);
-  MUL2 (w, ZERO, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
-  MUL2 (w, ZERO, s2, ss2, s3, ss3, t1, t2, t3, t4, t5, t6, t7, t8);
-  ADD2 (w, ZERO, s3, ss3, b, bb, t1, t2);
+  MUL2 (w, 0, s3, ss3, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (w, 0, s2, ss2, s3, ss3, t1, t2, t3, t4, t5, t6, t7, t8);
+  ADD2 (w, 0, s3, ss3, b, bb, t1, t2);
 
   /* End stage II, case abs(x-1) < 0.03 */
   if ((y = b + (bb + b * E4)) == b + (bb - b * E4))
@@ -210,7 +210,7 @@ case_03:
   EADD (r0, t, ra, rb);
 
   /* Compute w */
-  MUL2 (q, ZERO, ra, rb, w, ww, t1, t2, t3, t4, t5, t6, t7, t8);
+  MUL2 (q, 0, ra, rb, w, ww, t1, t2, t3, t4, t5, t6, t7, t8);
 
   EADD (A, B0, a0, aa0);
 
diff --git a/sysdeps/ieee754/dbl-64/mpa.h b/sysdeps/ieee754/dbl-64/mpa.h
index 54044a0586..27bc7dcb5d 100644
--- a/sysdeps/ieee754/dbl-64/mpa.h
+++ b/sysdeps/ieee754/dbl-64/mpa.h
@@ -91,8 +91,6 @@ extern const mp_no mptwo;
 # define  TWO52     0x1.0p52		/* 2^52    */
 #endif
 
-#define  ZERO      0.0			/* 0       */
-#define  MZERO     -0.0			/* 0 with the sign bit set */
 #define  ONE       1.0			/* 1       */
 #define  MONE      -1.0			/* -1      */
 #define  TWO       2.0			/*  2      */
@@ -155,7 +153,7 @@ __pow_mp (int pow, mp_no *y, int p)
   Y[0] = ONE;
   Y[1] = 1 << rem;
 
-  /* Everything else is ZERO.  */
+  /* Everything else is 0.  */
   for (i = 2; i <= p; i++)
-    Y[i] = ZERO;
+    Y[i] = 0;
 }
diff --git a/sysdeps/ieee754/dbl-64/mpatan2.c b/sysdeps/ieee754/dbl-64/mpatan2.c
index d29c2fbade..f4aa9dbd06 100644
--- a/sysdeps/ieee754/dbl-64/mpatan2.c
+++ b/sysdeps/ieee754/dbl-64/mpatan2.c
@@ -46,11 +46,11 @@ __mpatan2 (mp_no *y, mp_no *x, mp_no *z, int p)
 {
   mp_no mpt1, mpt2, mpt3;
 
-  if (X[0] <= ZERO)
+  if (X[0] <= 0)
     {
       __dvd (x, y, &mpt1, p);
       __mul (&mpt1, &mpt1, &mpt2, p);
-      if (mpt1.d[0] != ZERO)
+      if (mpt1.d[0] != 0)
 	mpt1.d[0] = ONE;
       __add (&mpt2, &mpone, &mpt3, p);
       __mpsqrt (&mpt3, &mpt2, p);
diff --git a/sysdeps/ieee754/dbl-64/mpexp.c b/sysdeps/ieee754/dbl-64/mpexp.c
index 565c6c8531..a219401228 100644
--- a/sysdeps/ieee754/dbl-64/mpexp.c
+++ b/sysdeps/ieee754/dbl-64/mpexp.c
@@ -85,7 +85,7 @@ __mpexp (mp_no *x, mp_no *y, int p)
     {
       for (i = 2; i <= p; i++)
 	{
-	  if (X[i] != ZERO)
+	  if (X[i] != 0)
 	    break;
 	}
       if (i == p + 1)
diff --git a/sysdeps/ieee754/dbl-64/s_atan.c b/sysdeps/ieee754/dbl-64/s_atan.c
index dc1716f93a..e3c4be775a 100644
--- a/sysdeps/ieee754/dbl-64/s_atan.c
+++ b/sysdeps/ieee754/dbl-64/s_atan.c
@@ -78,7 +78,7 @@ atan (double x)
     return x + x;
 
   /* Regular values of x, including denormals +-0 and +-INF */
-  u = (x < ZERO) ? -x : x;
+  u = (x < 0) ? -x : x;
   if (u < C)
     {
       if (u < B)
@@ -106,7 +106,7 @@ atan (double x)
 	      s1 = f11.d + v * s1;
 	      s1 *= v;
 
-	      ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+	      ADD2 (f9.d, ff9.d, s1, 0, s2, ss2, t1, t2);
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	      ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -114,9 +114,9 @@ atan (double x)
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	      ADD2 (f3.d, ff3.d, s1, ss1, s2, ss2, t1, t2);
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
-	      MUL2 (x, ZERO, s1, ss1, s2, ss2, t1, t2, t3, t4, t5, t6, t7,
+	      MUL2 (x, 0, s1, ss1, s2, ss2, t1, t2, t3, t4, t5, t6, t7,
 		    t8);
-	      ADD2 (x, ZERO, s2, ss2, s1, ss1, t1, t2);
+	      ADD2 (x, 0, s2, ss2, s1, ss1, t1, t2);
 	      if ((y = s1 + (ss1 - U5 * s1)) == s1 + (ss1 + U5 * s1))
 		return y;
 
@@ -160,14 +160,14 @@ atan (double x)
 	  s1 = hij[i][11].d + z * s1;
 	  s1 *= z;
 
-	  ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
-	  MUL2 (z, ZERO, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+	  ADD2 (hij[i][9].d, hij[i][10].d, s1, 0, s2, ss2, t1, t2);
+	  MUL2 (z, 0, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
-	  MUL2 (z, ZERO, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+	  MUL2 (z, 0, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (hij[i][5].d, hij[i][6].d, s1, ss1, s2, ss2, t1, t2);
-	  MUL2 (z, ZERO, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+	  MUL2 (z, 0, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (hij[i][3].d, hij[i][4].d, s1, ss1, s2, ss2, t1, t2);
-	  MUL2 (z, ZERO, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+	  MUL2 (z, 0, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (hij[i][1].d, hij[i][2].d, s1, ss1, s2, ss2, t1, t2);
 	  if ((y = s2 + (ss2 - U6 * s2)) == s2 + (ss2 + U6 * s2))
 	    return __signArctan (x, y);
@@ -200,7 +200,7 @@ atan (double x)
 	  if ((y = t1 + (yy - u3)) == t1 + (yy + u3))
 	    return __signArctan (x, y);
 
-	  DIV2 (ONE, ZERO, u, ZERO, w, ww, t1, t2, t3, t4, t5, t6, t7, t8, t9,
+	  DIV2 (ONE, 0, u, 0, w, ww, t1, t2, t3, t4, t5, t6, t7, t8, t9,
 		t10);
 	  t1 = w - hij[i][0].d;
 	  EADD (t1, ww, z, zz);
@@ -211,7 +211,7 @@ atan (double x)
 	  s1 = hij[i][11].d + z * s1;
 	  s1 *= z;
 
-	  ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+	  ADD2 (hij[i][9].d, hij[i][10].d, s1, 0, s2, ss2, t1, t2);
 	  MUL2 (z, zz, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	  ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
 	  MUL2 (z, zz, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
@@ -247,7 +247,7 @@ atan (double x)
 	      if ((y = t3 + (yy - U4)) == t3 + (yy + U4))
 		return __signArctan (x, y);
 
-	      DIV2 (ONE, ZERO, u, ZERO, w, ww, t1, t2, t3, t4, t5, t6, t7, t8,
+	      DIV2 (ONE, 0, u, 0, w, ww, t1, t2, t3, t4, t5, t6, t7, t8,
 		    t9, t10);
 	      MUL2 (w, ww, w, ww, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
 
@@ -257,7 +257,7 @@ atan (double x)
 	      s1 = f11.d + v * s1;
 	      s1 *= v;
 
-	      ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+	      ADD2 (f9.d, ff9.d, s1, 0, s2, ss2, t1, t2);
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
 	      ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
 	      MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);