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authorUlrich Drepper <drepper@redhat.com>1997-04-17 15:10:04 +0000
committerUlrich Drepper <drepper@redhat.com>1997-04-17 15:10:04 +0000
commitdd33e89fb2693e88ba64e6b947184c5abf70ff00 (patch)
tree3a621cf04df476aa6dd7905c41e77e8133baae3e /sysdeps/libm-ieee754
parent7799b7b3350fdcadc6dfb8821fb49b7772c96701 (diff)
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Update.
1997-04-17 16:55  Ulrich Drepper  <drepper@cygnus.com>

	* misc/libgen.h: Change prototype for of basename to XPG variant.
	* stdlib/Makefile (routines): Add xpg_basename.
	* stdlib/basename.c: New file.
	* string/string.h: Don't declare basename function if basename
	macro is available.

1997-04-16 17:33  Miles Bader  <miles@gnu.ai.mit.edu>

	* login/utmp_file.c (proc_utmp_eq): Only use ut_id field if valid.

1997-04-15 12:47  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/fclrexcpt.c: New file.
	* sysdeps/m68k/fpu/fenvbits.h: New file.
	* sysdeps/m68k/fpu/fegetenv.c: New file.
	* sysdeps/m68k/fpu/fegetround.c: New file.
	* sysdeps/m68k/fpu/fesetenv.c: New file.
	* sysdeps/m68k/fpu/fesetround.c: New file.
	* sysdeps/m68k/fpu/feupdateenv.c: New file.
	* sysdeps/m68k/fpu/fgetexcptflg.c: New file.
	* sysdeps/m68k/fpu/fraiseexcpt.c: New file.
	* sysdeps/m68k/fpu/fsetexcptflg.c: New file.
	* sysdeps/m68k/fpu/ftestexcept.c: New file.
	* sysdeps/m68k/fpu/mathbits.h: New file.

	* sysdeps/m68k/fpu/s_remquo.c: New file.
	* sysdeps/m68k/fpu/s_remquol.c: New file.
	* sysdeps/m68k/fpu/s_remquof.c: New file.

	* sysdeps/libm-ieee754/s_roundl.c: Restore integer bit when
	mantissa overflows into exponent.  Fix priority of >> vs +.

	* math/libm-test.c (basic_tests): Use the appropriate isnan and
	isinf function to test the value of the nan function.

1997-04-15 13:40  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-i387/s_finite.S: Fix typo.

	* sysdeps/i386/fpu/__math.h: Add optimized versions of isgreater,
	isgreaterequal, isless, islessequal, islessgreater, and
	isunordered.
Diffstat (limited to 'sysdeps/libm-ieee754')
-rw-r--r--sysdeps/libm-ieee754/s_cexp.c19
-rw-r--r--sysdeps/libm-ieee754/s_roundl.c14
2 files changed, 23 insertions, 10 deletions
diff --git a/sysdeps/libm-ieee754/s_cexp.c b/sysdeps/libm-ieee754/s_cexp.c
index 5e68f585f7..3181af08c7 100644
--- a/sysdeps/libm-ieee754/s_cexp.c
+++ b/sysdeps/libm-ieee754/s_cexp.c
@@ -38,16 +38,19 @@ __cexp (__complex__ double x)
 	{
 	  /* Imaginary part is finite.  */
 	  double exp_val = __ieee754_exp (__real__ x);
+	  double sinix, cosix;
+
+	  __sincos (__imag__ x, &sinix, &cosix);
 
 	  if (isfinite (exp_val))
 	    {
-	      __real__ retval = exp_val * __cos (__imag__ x);
-	      __imag__ retval = exp_val * __sin (__imag__ x);
+	      __real__ retval = exp_val * cosix;
+	      __imag__ retval = exp_val * sinix;
 	    }
 	  else
 	    {
-	      __real__ retval = __copysign (exp_val, __cos (__imag__ x));
-	      __imag__ retval = __copysign (exp_val, __sin (__imag__ x));
+	      __real__ retval = __copysign (exp_val, cosix);
+	      __imag__ retval = __copysign (exp_val, sinix);
 	    }
 	}
       else
@@ -74,8 +77,12 @@ __cexp (__complex__ double x)
 	    }
 	  else
 	    {
-	      __real__ retval = __copysign (value, __cos (__imag__ x));
-	      __imag__ retval = __copysign (value, __sin (__imag__ x));
+	      double sinix, cosix;
+
+	      __sincos (__imag__ x, &sinix, &cosix);
+
+	      __real__ retval = __copysign (value, cosix);
+	      __imag__ retval = __copysign (value, sinix);
 	    }
 	}
       else if (signbit (__real__ x) == 0)
diff --git a/sysdeps/libm-ieee754/s_roundl.c b/sysdeps/libm-ieee754/s_roundl.c
index db87154089..d7482b9b7c 100644
--- a/sysdeps/libm-ieee754/s_roundl.c
+++ b/sysdeps/libm-ieee754/s_roundl.c
@@ -41,9 +41,12 @@ __roundl (long double x)
 	  if (huge + x > 0.0)
 	    {
 	      se &= 0x8000;
-	      if (j0 == -1)
-		se |= 0x3fff;
 	      i0 = i1 = 0;
+	      if (j0 == -1)
+		{
+		  se |= 0x3fff;
+		  i0 = 0x80000000;
+		}
 	    }
 	}
       else
@@ -55,7 +58,7 @@ __roundl (long double x)
 	  if (huge + x > 0.0)
 	    {
 	      /* Raise inexact if x != 0.  */
-	      u_int32_t j = i0 + 0x40000000 >> j0;
+	      u_int32_t j = i0 + (0x40000000 >> j0);
 	      if (j < i0)
 		se += 1;
 	      i0 = (j & ~i) | 0x80000000;
@@ -86,7 +89,10 @@ __roundl (long double x)
 	    {
 	      u_int32_t k = i0 + 1;
 	      if (k < i0)
-		se += 1;
+		{
+		  se += 1;
+		  k |= 0x80000000;
+		}
 	      i0 = k;
 	    }
 	  i1 = j;