-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* math/multc3.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile [$(subdir) = math] (libm-routines): Add multc3, divtc3. * sysdeps/unix/sysv/linux/sparc/sparc32/fpu/Implies: New file. * sysdeps/sparc/sparc32/fpu/s_fabsl.c: Include math.h and math_ldbl_opt.h. (fabsl): Use long_double_symbol instead of weak_alias. * sysdeps/sparc/sparc32/fpu/s_fabs.c: Include math.h and math_ldbl_opt.h. [LONG_DOUBLE_COMPAT] (fabsl): Add compat_symbol. 2006-01-31 Martin Schwidefsky <schwidefsky@de.ibm.com> Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/s390/Implies: New file. * sysdeps/unix/sysv/linux/s390/fpu/Implies: New file. * sysdeps/unix/sysv/linux/s390/nldbl-abi.h: New file. * sysdeps/s390/fpu/bits/mathinline.h (signbitl, sqrtl): New inlines. * sysdeps/s390/bits/mathdef.h: New file. * sysdeps/s390/fpu/e_sqrtl.c: New file. * sysdeps/s390/s390-32/bits/wordsize.h (__LONG_DOUBLE_MATH_OPTIONAL, __NO_LONG_DOUBLE_MATH): Define. * sysdeps/s390/s390-64/bits/wordsize.h: Likewise. * sysdeps/s390/Implies: Add ieee754/ldbl-128. * sysdeps/s390/ldbl2mpn.c: File removed. * sysdeps/s390/fpu/libm-test-ulps: Updated. 2006-01-31 Roland McGrath <roland@redhat.com> * sysdeps/alpha/fpu/bits/mathdef.h: Moved to ... * sysdeps/alpha/bits/mathdef.h: ... here. * sysdeps/i386/fpu/bits/mathdef.h: Moved to ... * sysdeps/i386/bits/mathdef.h: ... here. * sysdeps/mips/fpu/bits/mathdef.h: Moved to ... * sysdeps/mips/bits/mathdef.h: ... here. * sysdeps/m68k/fpu/bits/mathdef.h: Moved to ... * sysdeps/m68k/bits/mathdef.h: ... here. * sysdeps/powerpc/fpu/bits/mathdef.h: Moved to ... * sysdeps/powerpc/bits/mathdef.h: ... here. * sysdeps/sparc/fpu/bits/mathdef.h: Moved to ... * sysdeps/sparc/bits/mathdef.h: ... here. * sysdeps/ia64/fpu/bits/mathdef.h: Moved to ... * sysdeps/ia64/bits/mathdef.h: ... here. * sysdeps/sh/sh4/fpu/bits/mathdef.h: Moved to ... * sysdeps/sh/sh4/bits/mathdef.h: ... here. * sysdeps/x86_64/fpu/bits/mathdef.h: Moved to ... * sysdeps/x86_64/bits/mathdef.h: ... here. 2006-01-31 Jakub Jelinek <jakub@redhat.com>
- Loading branch information
Roland McGrath
committed
Feb 1, 2006
1 parent
d224299
commit fea3f99
Showing
27 changed files
with
834 additions
and
102 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* Copyright (C) 2005, 2006 Free Software Foundation, Inc. | ||
| This file is part of the GNU C Library. | ||
| Contributed by Richard Henderson <rth@redhat.com>, 2005. | ||
| 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 <stdbool.h> | ||
| #include <math.h> | ||
| #include <complex.h> | ||
|
|
||
| attribute_hidden | ||
| long double _Complex | ||
| __divtc3 (long double a, long double b, long double c, long double d) | ||
| { | ||
| long double denom, ratio, x, y; | ||
|
|
||
| /* ??? We can get better behavior from logarithmic scaling instead of | ||
| the division. But that would mean starting to link libgcc against | ||
| libm. We could implement something akin to ldexp/frexp as gcc builtins | ||
| fairly easily... */ | ||
| if (fabsl (c) < fabsl (d)) | ||
| { | ||
| ratio = c / d; | ||
| denom = (c * ratio) + d; | ||
| x = ((a * ratio) + b) / denom; | ||
| y = ((b * ratio) - a) / denom; | ||
| } | ||
| else | ||
| { | ||
| ratio = d / c; | ||
| denom = (d * ratio) + c; | ||
| x = ((b * ratio) + a) / denom; | ||
| y = (b - (a * ratio)) / denom; | ||
| } | ||
|
|
||
| /* Recover infinities and zeros that computed as NaN+iNaN; the only cases | ||
| are nonzero/zero, infinite/finite, and finite/infinite. */ | ||
| if (isnan (x) && isnan (y)) | ||
| { | ||
| if (denom == 0.0 && (!isnan (a) || !isnan (b))) | ||
| { | ||
| x = __copysignl (INFINITY, c) * a; | ||
| y = __copysignl (INFINITY, c) * b; | ||
| } | ||
| else if ((isinf (a) || isinf (b)) && isfinite (c) && isfinite (d)) | ||
| { | ||
| a = __copysignl (isinf (a) ? 1 : 0, a); | ||
| b = __copysignl (isinf (b) ? 1 : 0, b); | ||
| x = INFINITY * (a * c + b * d); | ||
| y = INFINITY * (b * c - a * d); | ||
| } | ||
| else if ((isinf (c) || isinf (d)) && isfinite (a) && isfinite (b)) | ||
| { | ||
| c = __copysignl (isinf (c) ? 1 : 0, c); | ||
| d = __copysignl (isinf (d) ? 1 : 0, d); | ||
| x = 0.0 * (a * c + b * d); | ||
| y = 0.0 * (b * c - a * d); | ||
| } | ||
| } | ||
|
|
||
| return x + I * y; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* Copyright (C) 2005, 2006 Free Software Foundation, Inc. | ||
| This file is part of the GNU C Library. | ||
| Contributed by Richard Henderson <rth@redhat.com>, 2005. | ||
| 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 <stdbool.h> | ||
| #include <math.h> | ||
| #include <complex.h> | ||
|
|
||
| attribute_hidden | ||
| long double _Complex | ||
| __multc3 (long double a, long double b, long double c, long double d) | ||
| { | ||
| long double ac, bd, ad, bc, x, y; | ||
|
|
||
| ac = a * c; | ||
| bd = b * d; | ||
| ad = a * d; | ||
| bc = b * c; | ||
|
|
||
| x = ac - bd; | ||
| y = ad + bc; | ||
|
|
||
| if (isnan (x) && isnan (y)) | ||
| { | ||
| /* Recover infinities that computed as NaN + iNaN. */ | ||
| bool recalc = 0; | ||
| if (isinf (a) || isinf (b)) | ||
| { | ||
| /* z is infinite. "Box" the infinity and change NaNs in | ||
| the other factor to 0. */ | ||
| a = __copysignl (isinf (a) ? 1 : 0, a); | ||
| b = __copysignl (isinf (b) ? 1 : 0, b); | ||
| if (isnan (c)) c = __copysignl (0, c); | ||
| if (isnan (d)) d = __copysignl (0, d); | ||
| recalc = 1; | ||
| } | ||
| if (isinf (c) || isinf (d)) | ||
| { | ||
| /* w is infinite. "Box" the infinity and change NaNs in | ||
| the other factor to 0. */ | ||
| c = __copysignl (isinf (c) ? 1 : 0, c); | ||
| d = __copysignl (isinf (d) ? 1 : 0, d); | ||
| if (isnan (a)) a = __copysignl (0, a); | ||
| if (isnan (b)) b = __copysignl (0, b); | ||
| recalc = 1; | ||
| } | ||
| if (!recalc | ||
| && (isinf (ac) || isinf (bd) || isinf (ad) || isinf (bc))) | ||
| { | ||
| /* Recover infinities from overflow by changing NaNs to 0. */ | ||
| if (isnan (a)) a = __copysignl (0, a); | ||
| if (isnan (b)) b = __copysignl (0, b); | ||
| if (isnan (c)) c = __copysignl (0, c); | ||
| if (isnan (d)) d = __copysignl (0, d); | ||
| recalc = 1; | ||
| } | ||
| if (recalc) | ||
| { | ||
| x = INFINITY * (a * c - b * d); | ||
| y = INFINITY * (a * d + b * c); | ||
| } | ||
| } | ||
|
|
||
| return x + I * y; | ||
| } |
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
File renamed without changes.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| ieee754/ldbl-128 | ||
| ieee754/dbl-64 | ||
| ieee754/flt-32 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| /* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2006 | ||
| Free Software Foundation, Inc. | ||
| This file is part of the GNU C Library. | ||
| 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. */ | ||
|
|
||
| #if !defined _MATH_H && !defined _COMPLEX_H | ||
| # error "Never use <bits/mathdef.h> directly; include <math.h> instead" | ||
| #endif | ||
|
|
||
| #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF | ||
| # define _MATH_H_MATHDEF 1 | ||
|
|
||
| /* Normally, there is no long double type and the `float' and `double' | ||
| expressions are evaluated as `double'. */ | ||
| typedef double float_t; /* `float' expressions are evaluated as | ||
| `double'. */ | ||
| typedef double double_t; /* `double' expressions are evaluated as | ||
| `double'. */ | ||
|
|
||
| /* The values returned by `ilogb' for 0 and NaN respectively. */ | ||
| # define FP_ILOGB0 (-2147483647) | ||
| # define FP_ILOGBNAN 2147483647 | ||
|
|
||
| #endif /* ISO C99 */ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* Square root. S/390 FPU version. | ||
| Copyright (C) 2004, 2006 Free Software Foundation, Inc. | ||
| Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). | ||
| This file is part of the GNU C Library. | ||
| 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 <math_private.h> | ||
|
|
||
| long double | ||
| __ieee754_sqrtl (long double x) | ||
| { | ||
| long double res; | ||
|
|
||
| asm ( "sqxbr %0,%1" : "=f" (res) : "f" (x) ); | ||
| return res; | ||
| } |
Oops, something went wrong.