for __sincosl_table.
* sysdeps/ieee754/ldbl-128ibm/k_sincosl.c (__kernel_sincosl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/k_sinl.c (__kernel_sinl): Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_ceill.c: Correct sign of 0.0.
* sysdeps/ieee754/ldbl-128ibm/s_floorl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/s_cprojl.c: New file.
* sysdeps/ieee754/ldbl-128ibm/s_ctanhl.c: New file.
* sysdeps/ieee754/ldbl-128ibm/s_ctanl.c: New file.
+2006-01-30 Steven Munroe <sjmunroe@us.ibm.com>
+
+ * sysdeps/ieee754/ldbl-128ibm/k_cosl.c (__kernel_cosl): Correct index
+ for __sincosl_table.
+ * sysdeps/ieee754/ldbl-128ibm/k_sincosl.c (__kernel_sincosl): Likewise.
+ * sysdeps/ieee754/ldbl-128ibm/k_sinl.c (__kernel_sinl): Likewise.
+
+ * sysdeps/ieee754/ldbl-128ibm/s_ceill.c: Correct sign of 0.0.
+ * sysdeps/ieee754/ldbl-128ibm/s_floorl.c: Likewise.
+
+ * sysdeps/ieee754/ldbl-128ibm/s_cprojl.c: New file.
+ * sysdeps/ieee754/ldbl-128ibm/s_ctanhl.c: New file.
+ * sysdeps/ieee754/ldbl-128ibm/s_ctanl.c: New file.
+
2006-01-29 Daniel Jacobowitz <dan@codesourcery.com>
* sysdeps/unix/sysv/linux/mips/bits/errno.h (ECANCELED,
pre-computed tables, compute cosl(l) and sinl(l) using a
Chebyshev polynomial of degree 10(11) and compute
cosl(h+l) = cosl(h)cosl(l) - sinl(h)sinl(l). */
+ int six = tix;
+ tix = ((six - 0x3ff00000) >> 4) + 0x3fff0000;
+ index = 0x3ffe - (tix >> 16);
+ hix = (tix + (0x200 << index)) & (0xfffffc00 << index);
+ x = fabsl (x);
+ switch (index)
+ {
+ case 0: index = ((45 << 10) + hix - 0x3ffe0000) >> 8; break;
+ case 1: index = ((13 << 11) + hix - 0x3ffd0000) >> 9; break;
+ default:
+ case 2: index = (hix - 0x3ffc3000) >> 10; break;
+ }
+ hix = (hix << 4) & 0x3fffffff;
+/*
+ The following should work for double but generates the wrong index.
+ For now the code above converts double to ieee extended to compute
+ the index back to double for the h value.
+
index = 0x3fe - (tix >> 20);
hix = (tix + (0x200 << index)) & (0xfffffc00 << index);
x = fabsl (x);
default:
case 2: index = (hix - 0x3fc30000) >> 14; break;
}
-
+*/
SET_LDOUBLE_WORDS64(h, ((u_int64_t)hix) << 32, 0);
l = y - (h - x);
z = l * l;
Chebyshev polynomial of degree 10(11) and compute
sinl(h+l) = sinl(h)cosl(l) + cosl(h)sinl(l) and
cosl(h+l) = cosl(h)cosl(l) - sinl(h)sinl(l). */
+ int six = tix;
+ tix = ((six - 0x3ff00000) >> 4) + 0x3fff0000;
+ index = 0x3ffe - (tix >> 16);
+ hix = (tix + (0x200 << index)) & (0xfffffc00 << index);
+ x = fabsl (x);
+ switch (index)
+ {
+ case 0: index = ((45 << 10) + hix - 0x3ffe0000) >> 8; break;
+ case 1: index = ((13 << 11) + hix - 0x3ffd0000) >> 9; break;
+ default:
+ case 2: index = (hix - 0x3ffc3000) >> 10; break;
+ }
+ hix = (hix << 4) & 0x3fffffff;
+/*
+ The following should work for double but generates the wrong index.
+ For now the code above converts double to ieee extended to compute
+ the index back to double for the h value.
+
+
index = 0x3fe - (tix >> 20);
hix = (tix + (0x2000 << index)) & (0xffffc000 << index);
x = fabsl (x);
default:
case 2: index = (hix - 0x3fc30000) >> 14; break;
}
-
+*/
SET_LDOUBLE_WORDS64(h, ((u_int64_t)hix) << 32, 0);
if (iy)
l = y - (h - x);
pre-computed tables, compute cosl(l) and sinl(l) using a
Chebyshev polynomial of degree 10(11) and compute
sinl(h+l) = sinl(h)cosl(l) + cosl(h)sinl(l). */
+ int six = tix;
+ tix = ((six - 0x3ff00000) >> 4) + 0x3fff0000;
+ index = 0x3ffe - (tix >> 16);
+ hix = (tix + (0x200 << index)) & (0xfffffc00 << index);
+ x = fabsl (x);
+ switch (index)
+ {
+ case 0: index = ((45 << 10) + hix - 0x3ffe0000) >> 8; break;
+ case 1: index = ((13 << 11) + hix - 0x3ffd0000) >> 9; break;
+ default:
+ case 2: index = (hix - 0x3ffc3000) >> 10; break;
+ }
+ hix = (hix << 4) & 0x3fffffff;
+/*
+ The following should work for double but generates the wrong index.
+ For now the code above converts double to ieee extended to compute
+ the index back to double for the h value.
+
index = 0x3fe - (tix >> 20);
hix = (tix + (0x2000 << index)) & (0xffffc000 << index);
x = fabsl (x);
default:
case 2: index = (hix - 0x3fc30000) >> 14; break;
}
-
+*/
SET_LDOUBLE_WORDS64(h, ((u_int64_t)hix) << 32, 0);
if (iy)
l = y - (h - x);
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-/* This has been coded in assembler because GCC makes such a mess of it
- when it's coded in C. */
-
#include <math.h>
#include <fenv.h>
#include <math_ldbl_opt.h>
u.d = x;
if (fabs (u.dd[0]) < TWO52)
- {
+ {
+ double high = u.dd[0];
fesetround(FE_UPWARD);
- if (u.dd[0] > 0.0)
+ if (high > 0.0)
{
- u.dd[0] += TWO52;
- u.dd[0] -= TWO52;
+ high += TWO52;
+ high -= TWO52;
+ if (high == -0.0) high = 0.0;
}
- else if (u.dd[0] < 0.0)
+ else if (high < 0.0)
{
- u.dd[0] -= TWO52;
- u.dd[0] += TWO52;
+ high -= TWO52;
+ high += TWO52;
+ if (high == 0.0) high = -0.0;
}
- u.dd[1] = 0.0;
+ u.dd[0] = high;
+ u.dd[1] = 0.0;
fesetround(mode);
}
else if (fabs (u.dd[1]) < TWO52 && u.dd[1] != 0.0)
adjust for that. */
high = nextafter (u.dd[0], 0.0);
low = u.dd[1] + (u.dd[0] - high);
- }
+ }
fesetround(FE_UPWARD);
low += TWO52;
- low -= TWO52;
+ low -= TWO52;
fesetround(mode);
}
else if (u.dd[0] < 0.0)
adjust for that. */
high = nextafter (u.dd[0], 0.0);
low = u.dd[1] + (u.dd[0] - high);
- }
+ }
fesetround(FE_UPWARD);
low -= TWO52;
- low += TWO52;
+ low += TWO52;
fesetround(mode);
}
u.dd[0] = high + low;
--- /dev/null
+/* Compute projection of complex long double value to Riemann sphere.
+ Copyright (C) 1997,1999,2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <complex.h>
+#include <math.h>
+#include <math_ldbl_opt.h>
+
+__complex__ long double
+__cprojl (__complex__ long double x)
+{
+ __complex__ long double res;
+
+ if (isnan (__real__ x) && isnan (__imag__ x))
+ return x;
+ else if (!isfinite (__real__ x) || !isfinite (__imag__ x))
+ {
+ __real__ res = INFINITY;
+ __imag__ res = __copysignl (0.0, __imag__ x);
+ }
+ else
+ {
+ long double den = (__real__ x * __real__ x + __imag__ x * __imag__ x
+ + 1.0);
+
+ __real__ res = (2.0 * __real__ x) / den;
+ __imag__ res = (2.0 * __imag__ x) / den;
+ /* __gcc_qmul does not respect -0.0 so we need the following fixup. */
+ if (__real__ x == 0.0)
+ __real__ res = __real__ x;
+
+ if (__imag__ x == 0.0)
+ __imag__ res = __imag__ x;
+ }
+
+ return res;
+}
+long_double_symbol (libm, __cprojl, cprojl);
--- /dev/null
+/* Complex hyperbole tangent for long double. IBM extended format version.
+ Copyright (C) 1997,2005,2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <complex.h>
+#include <fenv.h>
+#include <math.h>
+#include <math_ldbl_opt.h>
+
+#include "math_private.h"
+
+
+__complex__ long double
+__ctanhl (__complex__ long double x)
+{
+ __complex__ long double res;
+
+ if (!isfinite (__real__ x) || !isfinite (__imag__ x))
+ {
+ if (__isinfl (__real__ x))
+ {
+ __real__ res = __copysignl (1.0, __real__ x);
+ __imag__ res = __copysignl (0.0, __imag__ x);
+ }
+ else if (__imag__ x == 0.0)
+ {
+ res = x;
+ }
+ else
+ {
+ __real__ res = __nanl ("");
+ __imag__ res = __nanl ("");
+
+#ifdef FE_INVALID
+ if (__isinfl (__imag__ x))
+ feraiseexcept (FE_INVALID);
+#endif
+ }
+ }
+ else
+ {
+ long double sin2ix, cos2ix;
+ long double den;
+
+ __sincosl (2.0 * __imag__ x, &sin2ix, &cos2ix);
+
+ den = (__ieee754_coshl (2.0 * __real__ x) + cos2ix);
+
+ if (den == 0.0L)
+ {
+ __complex__ long double ez = __cexpl (x);
+ __complex__ long double emz = __cexpl (-x);
+
+ res = (ez - emz) / (ez + emz);
+ }
+ else
+ {
+ __real__ res = __ieee754_sinhl (2.0 * __real__ x) / den;
+ __imag__ res = sin2ix / den;
+ }
+ /* __gcc_qmul does not respect -0.0 so we need the following fixup. */
+ if ((__real__ res == 0.0) && (__real__ x == 0.0))
+ __real__ res = __real__ x;
+
+ if ((__real__ res == 0.0) && (__imag__ x == 0.0))
+ __imag__ res = __imag__ x;
+ }
+
+ return res;
+}
+long_double_symbol (libm, __ctanhl, ctanhl);
--- /dev/null
+/* Complex tangent function for long double. IBM extended format version.
+ Copyright (C) 1997,2005,2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <complex.h>
+#include <fenv.h>
+#include <math.h>
+#include <math_ldbl_opt.h>
+
+#include "math_private.h"
+
+
+__complex__ long double
+__ctanl (__complex__ long double x)
+{
+ __complex__ long double res;
+
+ if (!isfinite (__real__ x) || !isfinite (__imag__ x))
+ {
+ if (__isinfl (__imag__ x))
+ {
+ __real__ res = __copysignl (0.0, __real__ x);
+ __imag__ res = __copysignl (1.0, __imag__ x);
+ }
+ else if (__real__ x == 0.0)
+ {
+ res = x;
+ }
+ else
+ {
+ __real__ res = __nanl ("");
+ __imag__ res = __nanl ("");
+
+#ifdef FE_INVALID
+ if (__isinfl (__real__ x))
+ feraiseexcept (FE_INVALID);
+#endif
+ }
+ }
+ else
+ {
+ long double sin2rx, cos2rx;
+ long double den;
+
+ __sincosl (2.0 * __real__ x, &sin2rx, &cos2rx);
+
+ den = cos2rx + __ieee754_coshl (2.0 * __imag__ x);
+
+
+ if (den == 0.0)
+ {
+ __complex__ long double ez = __cexpl (1.0i * x);
+ __complex__ long double emz = __cexpl (-1.0i * x);
+
+ res = (ez - emz) / (ez + emz) * -1.0i;
+ }
+ else
+ {
+ __real__ res = sin2rx / den;
+ __imag__ res = __ieee754_sinhl (2.0 * __imag__ x) / den;
+ }
+ /* __gcc_qmul does not respect -0.0 so we need the following fixup. */
+ if ((__real__ res == 0.0) && (__real__ x == 0.0))
+ __real__ res = __real__ x;
+
+ if ((__real__ res == 0.0) && (__imag__ x == 0.0))
+ __imag__ res = __imag__ x;
+ }
+
+ return res;
+}
+long_double_symbol (libm, __ctanl, ctanl);
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-/* This has been coded in assembler because GCC makes such a mess of it
- when it's coded in C. */
-
#include <math.h>
#include <fenv.h>
#include <math_ldbl_opt.h>
u.d = x;
if (fabs (u.dd[0]) < TWO52)
- {
+ {
+ double high = u.dd[0];
fesetround(FE_DOWNWARD);
- if (u.dd[0] > 0.0)
+ if (high > 0.0)
{
- u.dd[0] += TWO52;
- u.dd[0] -= TWO52;
+ high += TWO52;
+ high -= TWO52;
+ if (high == -0.0) high = 0.0;
}
- else if (u.dd[0] < 0.0)
+ else if (high < 0.0)
{
- u.dd[0] -= TWO52;
- u.dd[0] += TWO52;
+ high -= TWO52;
+ high += TWO52;
+ if (high == 0.0) high = -0.0;
}
+ u.dd[0] = high;
u.dd[1] = 0.0;
fesetround(mode);
}
projects / external / glibc.git / commitdiff