about summary refs log tree commit diff
path: root/sysdeps/ieee754
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/dbl-64/s_round.c10
-rw-r--r--sysdeps/ieee754/dbl-64/wordsize-64/s_round.c6
-rw-r--r--sysdeps/ieee754/flt-32/s_roundf.c7
-rw-r--r--sysdeps/ieee754/ldbl-128/s_roundl.c37
-rw-r--r--sysdeps/ieee754/ldbl-96/s_roundl.c8
5 files changed, 12 insertions, 56 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_round.c b/sysdeps/ieee754/dbl-64/s_round.c
index aeed6faf0e..4fe305b3ff 100644
--- a/sysdeps/ieee754/dbl-64/s_round.c
+++ b/sysdeps/ieee754/dbl-64/s_round.c
@@ -22,9 +22,6 @@
 #include <math_private.h>
 
 
-static const double huge = 1.0e300;
-
-
 double
 __round (double x)
 {
@@ -37,8 +34,6 @@ __round (double x)
     {
       if (j0 < 0)
 	{
-	  math_force_eval (huge + x);
-
 	  i0 &= 0x80000000;
 	  if (j0 == -1)
 	    i0 |= 0x3ff00000;
@@ -50,9 +45,7 @@ __round (double x)
 	  if (((i0 & i) | i1) == 0)
 	    /* X is integral.  */
 	    return x;
-	  math_force_eval (huge + x);
 
-	  /* Raise inexact if x != 0.  */
 	  i0 += 0x00080000 >> j0;
 	  i0 &= ~i;
 	  i1 = 0;
@@ -73,9 +66,6 @@ __round (double x)
 	/* X is integral.  */
 	return x;
 
-      math_force_eval (huge + x);
-
-      /* Raise inexact if x != 0.  */
       u_int32_t j = i1 + (1 << (51 - j0));
       if (j < i1)
 	i0 += 1;
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c
index f1d75bbe68..688e6af016 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_round.c
@@ -22,8 +22,6 @@
 #include <math_private.h>
 #include <stdint.h>
 
-static const double huge = 1.0e300;
-
 
 double
 __round (double x)
@@ -36,8 +34,6 @@ __round (double x)
     {
       if (j0 < 0)
 	{
-	  math_force_eval (huge + x);
-
 	  i0 &= UINT64_C(0x8000000000000000);
 	  if (j0 == -1)
 	    i0 |= UINT64_C(0x3ff0000000000000);
@@ -48,9 +44,7 @@ __round (double x)
 	  if ((i0 & i) == 0)
 	    /* X is integral.  */
 	    return x;
-	  math_force_eval (huge + x);
 
-	  /* Raise inexact if x != 0.  */
 	  i0 += UINT64_C(0x0008000000000000) >> j0;
 	  i0 &= ~i;
 	}
diff --git a/sysdeps/ieee754/flt-32/s_roundf.c b/sysdeps/ieee754/flt-32/s_roundf.c
index a75d98f384..498aced30c 100644
--- a/sysdeps/ieee754/flt-32/s_roundf.c
+++ b/sysdeps/ieee754/flt-32/s_roundf.c
@@ -22,9 +22,6 @@
 #include <math_private.h>
 
 
-static const float huge = 1.0e30;
-
-
 float
 __roundf (float x)
 {
@@ -36,8 +33,6 @@ __roundf (float x)
     {
       if (j0 < 0)
 	{
-	  math_force_eval (huge + x);
-
 	  i0 &= 0x80000000;
 	  if (j0 == -1)
 	    i0 |= 0x3f800000;
@@ -48,9 +43,7 @@ __roundf (float x)
 	  if ((i0 & i) == 0)
 	    /* X is integral.  */
 	    return x;
-	  math_force_eval (huge + x);
 
-	  /* Raise inexact if x != 0.  */
 	  i0 += 0x00400000 >> j0;
 	  i0 &= ~i;
 	}
diff --git a/sysdeps/ieee754/ldbl-128/s_roundl.c b/sysdeps/ieee754/ldbl-128/s_roundl.c
index 98b448e4f3..63ffd73d7e 100644
--- a/sysdeps/ieee754/ldbl-128/s_roundl.c
+++ b/sysdeps/ieee754/ldbl-128/s_roundl.c
@@ -23,9 +23,6 @@
 #include <math_private.h>
 
 
-static const long double huge = 1.0E4930L;
-
-
 long double
 __roundl (long double x)
 {
@@ -38,13 +35,10 @@ __roundl (long double x)
     {
       if (j0 < 0)
 	{
-	  if (huge + x > 0.0)
-	    {
-	      i0 &= 0x8000000000000000ULL;
-	      if (j0 == -1)
-		i0 |= 0x3fff000000000000LL;
-	      i1 = 0;
-	    }
+	  i0 &= 0x8000000000000000ULL;
+	  if (j0 == -1)
+	    i0 |= 0x3fff000000000000LL;
+	  i1 = 0;
 	}
       else
 	{
@@ -52,13 +46,10 @@ __roundl (long double x)
 	  if (((i0 & i) | i1) == 0)
 	    /* X is integral.  */
 	    return x;
-	  if (huge + x > 0.0)
-	    {
-	      /* Raise inexact if x != 0.  */
-	      i0 += 0x0000800000000000LL >> j0;
-	      i0 &= ~i;
-	      i1 = 0;
-	    }
+
+	  i0 += 0x0000800000000000LL >> j0;
+	  i0 &= ~i;
+	  i1 = 0;
 	}
     }
   else if (j0 > 111)
@@ -76,14 +67,10 @@ __roundl (long double x)
 	/* X is integral.  */
 	return x;
 
-      if (huge + x > 0.0)
-	{
-	  /* Raise inexact if x != 0.  */
-	  u_int64_t j = i1 + (1LL << (111 - j0));
-	  if (j < i1)
-	    i0 += 1;
-	  i1 = j;
-	}
+      u_int64_t j = i1 + (1LL << (111 - j0));
+      if (j < i1)
+	i0 += 1;
+      i1 = j;
       i1 &= ~i;
     }
 
diff --git a/sysdeps/ieee754/ldbl-96/s_roundl.c b/sysdeps/ieee754/ldbl-96/s_roundl.c
index 4f35c4847b..5a6988cd8b 100644
--- a/sysdeps/ieee754/ldbl-96/s_roundl.c
+++ b/sysdeps/ieee754/ldbl-96/s_roundl.c
@@ -22,9 +22,6 @@
 #include <math_private.h>
 
 
-static const long double huge = 1.0e4930L;
-
-
 long double
 __roundl (long double x)
 {
@@ -37,7 +34,6 @@ __roundl (long double x)
     {
       if (j0 < 0)
 	{
-	  math_force_eval (huge + x);
 	  se &= 0x8000;
 	  i0 = i1 = 0;
 	  if (j0 == -1)
@@ -53,8 +49,6 @@ __roundl (long double x)
 	    /* X is integral.  */
 	    return x;
 
-	  /* Raise inexact if x != 0.  */
-	  math_force_eval (huge + x);
 	  u_int32_t j = i0 + (0x40000000 >> j0);
 	  if (j < i0)
 	    se += 1;
@@ -77,8 +71,6 @@ __roundl (long double x)
 	/* X is integral.  */
 	return x;
 
-      math_force_eval (huge + x);
-      /* Raise inexact if x != 0.  */
       u_int32_t j = i1 + (1 << (62 - j0));
       if (j < i1)
 	{