newlib-cygwin/newlib/libm/complex/cabsl.c

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* libc/include/complex.h (cabsl): Add prototype. (cimagl): Add prototype. (creall): Add prototype. * libc/include/ieeefp.h: Include float.h. (EXT_EXPBITS, EXT_FRACHBITS, EXT_FRACLBITS) (EXT_EXP_INFNAN. EXT_EXP_BIAS, EXT_FRACBITS): Define. (struct ieee_ext, union ieee_ext_u): New types for long double support. * libc/include/math.h (finitel): Add prototype. (hypotl): Add prototype. (sqrtl): Add prototype. * libm/common/Makefile.am (lsrc): Add sl_finite.c. * libm/common/Makefile.in: Regenerate. * libm/common/fdlibm.h (__ieee754_hypotl): Add prototype. * libm/common/hypotl.c (hypotl): Add implementation for when long double is larger than double. * libm/common/sqrtl.c (sqrtl): Likewise. * libm/common/sl_finite.c: New file. Adds implementation of the finitel function. * libm/complex/Makefile.am (lsrc): Define. (libcomplex_la_SOURCES): Add lsrc. (lib_a_SOURCES): Add lsrc. * libm/complex/Makefile.in: Regenerate. * libm/complex/cabs.c: Add documentation of cabsl function. * libm/complex/cimag.c: Add documentation of cimagl function. * libm/complex/creall.c: Add documentation of creall function. * libm/complex/cabsl.c: New file. Adds implementation of the cabsl function. * libm/complex/cimagl.c: New file. Adds implementation of the cimagl function. * libm/complex/creall.c: New file. Adds implementation of the creall function. * libm/math/Makefile.am (lsrc): Define. (libmath_la_SOURCES): Add lsrc. (lib_a_SOURCES): Add lsrc. * libm/math/Makefile.in: Regenerate. * libm/math/el_hypot.c: New file. Adds implementation of the __ieee754_hypotl function.
2015-02-07 00:14:04 +08:00
/* Copyright (C) 2015 by Red Hat, Incorporated. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
#include <complex.h>
#include <math.h>
long double
cabsl (long double complex z)
{
#ifdef _LDBL_EQ_DBL
return cabs (z);
#else
return hypotl (creall (z), cimagl (z));
#endif
}