mirror of
https://git.planet-casio.com/Lephenixnoir/OpenLibm.git
synced 2024-12-29 13:03:42 +01:00
Add cpow from OpenBSD
Use clang by default on Darwin Enable cpow tests Fix #22
This commit is contained in:
Viral B. Shah
parent
0cd232d8cf
commit
29af332f36
5 changed files with 226 additions and 1 deletions
7
Make.inc
7
Make.inc
|
|
@ -8,6 +8,12 @@ FFLAGS += -O3
|
|||
USEGCC = 1
|
||||
USECLANG = 0
|
||||
|
||||
ifeq ($(OS), Darwin)
|
||||
USEGCC = 0
|
||||
USECLANG = 1
|
||||
endif
|
||||
|
||||
AR = ar
|
||||
|
||||
ifeq ($(USECLANG),1)
|
||||
USEGCC = 0
|
||||
|
|
@ -19,7 +25,6 @@ ifeq ($(USEGCC),1)
|
|||
CC = gcc
|
||||
CFLAGS_add += -fno-gnu89-inline
|
||||
endif
|
||||
AR = ar
|
||||
|
||||
ARCH := $(shell $(CC) -dumpmachine | sed "s/\([^-]*\).*$$/\1/")
|
||||
ifeq ($(ARCH),mingw32)
|
||||
|
|
|
|||
|
|
@ -30,6 +30,7 @@ $(CUR_SRCS) = \
|
|||
s_scalbln.c s_scalbn.c s_scalbnf.c s_signbit.c \
|
||||
s_signgam.c s_significand.c s_significandf.c s_sin.c s_sinf.c \
|
||||
s_tan.c s_tanf.c s_tanh.c s_tanhf.c s_tgammaf.c s_trunc.c s_truncf.c \
|
||||
s_cpow.c s_cpowf.c s_cpowl.c \
|
||||
w_cabs.c w_cabsf.c w_drem.c w_dremf.c
|
||||
|
||||
ifneq ($(OS), WINNT)
|
||||
|
|
|
|||
76
src/s_cpow.c
Normal file
76
src/s_cpow.c
Normal file
|
|
@ -0,0 +1,76 @@
|
|||
/* $OpenBSD: s_cpow.c,v 1.6 2013/07/03 04:46:36 espie Exp $ */
|
||||
/*
|
||||
* Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
/* cpow
|
||||
*
|
||||
* Complex power function
|
||||
*
|
||||
*
|
||||
*
|
||||
* SYNOPSIS:
|
||||
*
|
||||
* double complex cpow();
|
||||
* double complex a, z, w;
|
||||
*
|
||||
* w = cpow (a, z);
|
||||
*
|
||||
*
|
||||
*
|
||||
* DESCRIPTION:
|
||||
*
|
||||
* Raises complex A to the complex Zth power.
|
||||
* Definition is per AMS55 # 4.2.8,
|
||||
* analytically equivalent to cpow(a,z) = cexp(z clog(a)).
|
||||
*
|
||||
* ACCURACY:
|
||||
*
|
||||
* Relative error:
|
||||
* arithmetic domain # trials peak rms
|
||||
* IEEE -10,+10 30000 9.4e-15 1.5e-15
|
||||
*
|
||||
*/
|
||||
|
||||
#include <complex.h>
|
||||
#include <float.h>
|
||||
#include <math.h>
|
||||
|
||||
double complex
|
||||
cpow(double complex a, double complex z)
|
||||
{
|
||||
double complex w;
|
||||
double x, y, r, theta, absa, arga;
|
||||
|
||||
x = creal (z);
|
||||
y = cimag (z);
|
||||
absa = cabs (a);
|
||||
if (absa == 0.0) {
|
||||
return (0.0 + 0.0 * I);
|
||||
}
|
||||
arga = carg (a);
|
||||
r = pow (absa, x);
|
||||
theta = x * arga;
|
||||
if (y != 0.0) {
|
||||
r = r * exp (-y * arga);
|
||||
theta = theta + y * log (absa);
|
||||
}
|
||||
w = r * cos (theta) + (r * sin (theta)) * I;
|
||||
return (w);
|
||||
}
|
||||
|
||||
#if LDBL_MANT_DIG == DBL_MANT_DIG
|
||||
__strong_alias(cpowl, cpow);
|
||||
#endif /* LDBL_MANT_DIG == DBL_MANT_DIG */
|
||||
71
src/s_cpowf.c
Normal file
71
src/s_cpowf.c
Normal file
|
|
@ -0,0 +1,71 @@
|
|||
/* $OpenBSD: s_cpowf.c,v 1.2 2010/07/18 18:42:26 guenther Exp $ */
|
||||
/*
|
||||
* Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
/* cpowf
|
||||
*
|
||||
* Complex power function
|
||||
*
|
||||
*
|
||||
*
|
||||
* SYNOPSIS:
|
||||
*
|
||||
* float complex cpowf();
|
||||
* float complex a, z, w;
|
||||
*
|
||||
* w = cpowf (a, z);
|
||||
*
|
||||
*
|
||||
*
|
||||
* DESCRIPTION:
|
||||
*
|
||||
* Raises complex A to the complex Zth power.
|
||||
* Definition is per AMS55 # 4.2.8,
|
||||
* analytically equivalent to cpow(a,z) = cexp(z clog(a)).
|
||||
*
|
||||
* ACCURACY:
|
||||
*
|
||||
* Relative error:
|
||||
* arithmetic domain # trials peak rms
|
||||
* IEEE -10,+10 30000 9.4e-15 1.5e-15
|
||||
*
|
||||
*/
|
||||
|
||||
#include <complex.h>
|
||||
#include <math.h>
|
||||
|
||||
float complex
|
||||
cpowf(float complex a, float complex z)
|
||||
{
|
||||
float complex w;
|
||||
float x, y, r, theta, absa, arga;
|
||||
|
||||
x = crealf(z);
|
||||
y = cimagf(z);
|
||||
absa = cabsf (a);
|
||||
if (absa == 0.0f) {
|
||||
return (0.0f + 0.0f * I);
|
||||
}
|
||||
arga = cargf (a);
|
||||
r = powf (absa, x);
|
||||
theta = x * arga;
|
||||
if (y != 0.0f) {
|
||||
r = r * expf (-y * arga);
|
||||
theta = theta + y * logf (absa);
|
||||
}
|
||||
w = r * cosf (theta) + (r * sinf (theta)) * I;
|
||||
return (w);
|
||||
}
|
||||
72
src/s_cpowl.c
Normal file
72
src/s_cpowl.c
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
/* $OpenBSD: s_cpowl.c,v 1.2 2011/07/20 19:28:33 martynas Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
/* cpowl
|
||||
*
|
||||
* Complex power function
|
||||
*
|
||||
*
|
||||
*
|
||||
* SYNOPSIS:
|
||||
*
|
||||
* long double complex cpowl();
|
||||
* long double complex a, z, w;
|
||||
*
|
||||
* w = cpowl (a, z);
|
||||
*
|
||||
*
|
||||
*
|
||||
* DESCRIPTION:
|
||||
*
|
||||
* Raises complex A to the complex Zth power.
|
||||
* Definition is per AMS55 # 4.2.8,
|
||||
* analytically equivalent to cpow(a,z) = cexp(z clog(a)).
|
||||
*
|
||||
* ACCURACY:
|
||||
*
|
||||
* Relative error:
|
||||
* arithmetic domain # trials peak rms
|
||||
* IEEE -10,+10 30000 9.4e-15 1.5e-15
|
||||
*
|
||||
*/
|
||||
|
||||
#include <complex.h>
|
||||
#include <math.h>
|
||||
|
||||
long double complex
|
||||
cpowl(long double complex a, long double complex z)
|
||||
{
|
||||
long double complex w;
|
||||
long double x, y, r, theta, absa, arga;
|
||||
|
||||
x = creall(z);
|
||||
y = cimagl(z);
|
||||
absa = cabsl(a);
|
||||
if (absa == 0.0L) {
|
||||
return (0.0L + 0.0L * I);
|
||||
}
|
||||
arga = cargl(a);
|
||||
r = powl(absa, x);
|
||||
theta = x * arga;
|
||||
if (y != 0.0L) {
|
||||
r = r * expl(-y * arga);
|
||||
theta = theta + y * logl(absa);
|
||||
}
|
||||
w = r * cosl(theta) + (r * sinl(theta)) * I;
|
||||
return (w);
|
||||
}
|
||||
Loading…
Reference in a new issue