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* libc/sys/linux/cmath: New directory.

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* libc/sys/linux/include/cmathcalls.h: New file.
	* libc/sys/linux/include/complex.h: New file.
	* libc/sys/linux/machine/i386/huge_val.h: New file
	* libm/math/w_sincos.c: New file
	* libm/math/wf_sincos.c: New file
	* libm/mathfp/s_sincos.c: New file
	* libm/mathfp/sf_sincos.c: New file
	* Makefile.am (LIBC_OBJECTLISTS): Add cmath/objectlist.awk.in.
	* libc/include/math.h: Add sincos and sincosf declarations.
	* libc/sys/linux/Makefile.am (SUBDIRS): Add cmath.
	(SUBLIBS): Likewise.
	* libc/sys/linux/configure.in (AC_OUTPUT): Add cmath.
	* libm/math/Makefile.am (src): Add w_sincos.c.
	(fsrc): Add wf_sincos.c.
	* libm/mathfp/Makefile.am (src): Add s_sincos.c
	(fsrc): Add sf_sincos.c.
This commit is contained in:
Thomas Fitzsimmons
2002-08-16 21:29:45 +00:00
parent e0f61e607c
commit d3bd3632ac
77 changed files with 5712 additions and 68 deletions
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61
newlib/libc/sys/linux/cmath/s_clogf.c Normal file
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/* Compute complex natural logarithm.
Copyright (C) 1997 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_private.h"
__complex__ float
__clogf (__complex__ float x)
{
__complex__ float result;
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
if (rcls == FP_ZERO && icls == FP_ZERO)
{
/* Real and imaginary part are 0.0. */
__imag__ result = signbit (__real__ x) ? M_PI : 0.0;
__imag__ result = __copysignf (__imag__ result, __imag__ x);
/* Yes, the following line raises an exception. */
__real__ result = -1.0 / fabsf (__real__ x);
}
else if (rcls != FP_NAN && icls != FP_NAN)
{
/* Neither real nor imaginary part is NaN. */
__real__ result = __ieee754_logf (__ieee754_hypotf (__real__ x,
__imag__ x));
__imag__ result = __ieee754_atan2f (__imag__ x, __real__ x);
}
else
{
__imag__ result = __nanf ("");
if (rcls == FP_INFINITE || icls == FP_INFINITE)
/* Real or imaginary part is infinite. */
__real__ result = HUGE_VALF;
else
__real__ result = __nanf ("");
}
return result;
}
weak_alias (__clogf, clogf)