* Importing cacoshl.c and its dependent methos,
@ 2017-06-21 2:25 aditya upadhyay
2017-06-21 6:46 ` Sebastian Huber
0 siblings, 1 reply; 8+ messages in thread
From: aditya upadhyay @ 2017-06-21 2:25 UTC (permalink / raw)
To: newlib
[-- Attachment #1: Type: text/plain, Size: 330 bytes --]
Hello Developers,
In cacoshl.c, There is a dependency between cacoshl.c and csqrtl.c.
In ported csqrtl.c from NetBSD, stdbool.h is there, But i saw there
is no stdbool.h.
So for bool data type, I have used enum. Is it a right way or not.
please suggest or do i have to use stdbool.h from gcc library ?
Thanks,
Aditya Upadhyay
[-- Attachment #2: 0002-Importing-cacoshl.c-and-its-dependent-methods.patch --]
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From c9451a7acf0f1244ff31582e775d6e2f1e620c28 Mon Sep 17 00:00:00 2001
From: Aditya Upadhyay <aadit0402@gmail.com>
Date: Wed, 21 Jun 2017 05:55:44 +0530
Subject: [PATCH 2/2] Importing cacoshl.c and its dependent methods.
---
newlib/libm/complex/Makefile.am | 2 +-
newlib/libm/complex/Makefile.in | 26 ++++++++--
newlib/libm/complex/cacoshl.c | 45 ++++++++++++++++
newlib/libm/complex/clogl.c | 46 +++++++++++++++++
newlib/libm/complex/csqrtl.c | 112 ++++++++++++++++++++++++++++++++++++++++
5 files changed, 227 insertions(+), 4 deletions(-)
create mode 100644 newlib/libm/complex/cacoshl.c
create mode 100644 newlib/libm/complex/clogl.c
create mode 100644 newlib/libm/complex/csqrtl.c
diff --git a/newlib/libm/complex/Makefile.am b/newlib/libm/complex/Makefile.am
index 402053f..9d04a5c 100644
--- a/newlib/libm/complex/Makefile.am
+++ b/newlib/libm/complex/Makefile.am
@@ -10,7 +10,7 @@ src = cabs.c cacos.c cacosh.c carg.c casin.c casinh.c \
cpow.c cproj.c creal.c \
csin.c csinh.c csqrt.c ctan.c ctanh.c
-lsrc = cabsl.c creall.c cimagl.c ccoshl.c
+lsrc = cabsl.c creall.c cimagl.c ccoshl.c cacoshl.c csqrtl.c clogl.c
fsrc = cabsf.c casinf.c ccosf.c cimagf.c cprojf.c \
csqrtf.c cacosf.c casinhf.c ccoshf.c clogf.c clog10f.c \
diff --git a/newlib/libm/complex/Makefile.in b/newlib/libm/complex/Makefile.in
index 55c74a1..581419f 100644
--- a/newlib/libm/complex/Makefile.in
+++ b/newlib/libm/complex/Makefile.in
@@ -97,7 +97,8 @@ am__objects_2 = lib_a-cabsf.$(OBJEXT) lib_a-casinf.$(OBJEXT) \
lib_a-catanhf.$(OBJEXT) lib_a-cexpf.$(OBJEXT) \
lib_a-cpowf.$(OBJEXT) lib_a-csinhf.$(OBJEXT)
am__objects_3 = lib_a-cabsl.$(OBJEXT) lib_a-creall.$(OBJEXT) \
- lib_a-cimagl.$(OBJEXT) lib_a-ccoshl.$(OBJEXT)
+ lib_a-cimagl.$(OBJEXT) lib_a-ccoshl.$(OBJEXT) lib_a-cacoshl.$(OBJEXT) \
+ lib_a-clogl.$(OBJEXT) lib_a-csqrtl.$(OBJEXT)
@USE_LIBTOOL_FALSE@am_lib_a_OBJECTS = $(am__objects_1) \
@USE_LIBTOOL_FALSE@ $(am__objects_2) $(am__objects_3)
lib_a_OBJECTS = $(am_lib_a_OBJECTS)
@@ -112,7 +113,8 @@ am__objects_5 = cabsf.lo casinf.lo ccosf.lo cimagf.lo cprojf.lo \
crealf.lo ctanf.lo cacoshf.lo catanf.lo cephes_subrf.lo \
conjf.lo csinf.lo ctanhf.lo cargf.lo catanhf.lo cexpf.lo \
cpowf.lo csinhf.lo
-am__objects_6 = cabsl.lo creall.lo cimagl.lo ccoshl.lo
+am__objects_6 = cabsl.lo creall.lo cimagl.lo ccoshl.lo cacoshl.lo \
+ clogl.lo csqrtl.lo
@USE_LIBTOOL_TRUE@am_libcomplex_la_OBJECTS = $(am__objects_4) \
@USE_LIBTOOL_TRUE@ $(am__objects_5) $(am__objects_6)
libcomplex_la_OBJECTS = $(am_libcomplex_la_OBJECTS)
@@ -276,7 +278,7 @@ src = cabs.c cacos.c cacosh.c carg.c casin.c casinh.c \
cpow.c cproj.c creal.c \
csin.c csinh.c csqrt.c ctan.c ctanh.c
-lsrc = cabsl.c creall.c cimagl.c ccoshl.c
+lsrc = cabsl.c creall.c cimagl.c ccoshl.c cacoshl.c clogl.c csqrtl.c
fsrc = cabsf.c casinf.c ccosf.c cimagf.c cprojf.c \
csqrtf.c cacosf.c casinhf.c ccoshf.c clogf.c clog10f.c \
crealf.c ctanf.c cacoshf.c catanf.c \
@@ -689,6 +691,24 @@ lib_a-ccoshl.o: ccoshl.c
lib_a-ccoshl.obj: ccoshl.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-ccoshl.obj `if test -f 'ccoshl.c'; then $(CYGPATH_W) 'ccoshl.c'; else $(CYGPATH_W) '$(srcdir)/ccoshl.c'; fi`
+lib_a-cacoshl.o: cacoshl.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-cacoshl.o `test -f 'cacoshl.c' || echo '$(srcdir)/'`cacoshl.c
+
+lib_a-cacoshl.obj: cacoshl.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-cacoshl.obj `if test -f 'cacoshl.c'; then $(CYGPATH_W) 'cacoshl.c'; else $(CYGPATH_W) '$(srcdir)/cacoshl.c'; fi`
+
+lib_a-clogl.o: clogl.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-clogl.o `test -f 'clogl.c' || echo '$(srcdir)/'`clogl.c
+
+lib_a-clogl.obj: clogl.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-clogl.obj `if test -f 'clogl.c'; then $(CYGPATH_W) 'clogl.c'; else $(CYGPATH_W) '$(srcdir)/clogl.c'; fi`
+
+lib_a-csqrtl.o: csqrtl.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-csqrtl.o `test -f 'csqrtl.c' || echo '$(srcdir)/'`csqrtl.c
+
+lib_a-csqrtl.obj: csqrtl.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-csqrtl.obj `if test -f 'csqrtl.c'; then $(CYGPATH_W) 'csqrtl.c'; else $(CYGPATH_W) '$(srcdir)/csqrtl.c'; fi`
+
mostlyclean-libtool:
-rm -f *.lo
diff --git a/newlib/libm/complex/cacoshl.c b/newlib/libm/complex/cacoshl.c
new file mode 100644
index 0000000..4e4e006
--- /dev/null
+++ b/newlib/libm/complex/cacoshl.c
@@ -0,0 +1,45 @@
+/* $NetBSD: cacoshl.c,v 1.1 2014/10/10 00:48:18 christos Exp $ */
+
+/*-
+ * Copyright (c) 2007 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software written by Stephen L. Moshier.
+ * It is redistributed by the NetBSD Foundation by permission of the author.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <complex.h>
+
+long double complex
+cacoshl(long double complex z)
+{
+ long double complex w;
+
+#if 0 /* does not give the principal value */
+ w = I * cacosl(z);
+#else
+ w = clogl(z + csqrtl(z + 1) * csqrtl(z - 1));
+#endif
+ return w;
+}
diff --git a/newlib/libm/complex/clogl.c b/newlib/libm/complex/clogl.c
new file mode 100644
index 0000000..3644a44
--- /dev/null
+++ b/newlib/libm/complex/clogl.c
@@ -0,0 +1,46 @@
+/* $NetBSD: clogl.c,v 1.1 2014/10/10 00:48:18 christos Exp $ */
+
+/*-
+ * Copyright (c) 2007 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software written by Stephen L. Moshier.
+ * It is redistributed by the NetBSD Foundation by permission of the author.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <complex.h>
+#include <math.h>
+
+long double complex
+clogl(long double complex z)
+{
+ long double complex w;
+ long double p, rr;
+
+ rr = cabsl(z);
+ p = logl(rr);
+ rr = atan2l(cimagl(z), creall(z));
+ w = p + rr * I;
+ return w;
+}
diff --git a/newlib/libm/complex/csqrtl.c b/newlib/libm/complex/csqrtl.c
new file mode 100644
index 0000000..bf690ee
--- /dev/null
+++ b/newlib/libm/complex/csqrtl.c
@@ -0,0 +1,112 @@
+/*-
+ * Copyright (c) 2007-2008 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if 0
+__FBSDID("$FreeBSD: head/lib/msun/src/s_csqrtl.c 181402 2008-08-08 00:15:16Z das $");
+#else
+__RCSID("$NetBSD: csqrtl.c,v 1.2 2014/10/11 00:43:51 christos Exp $");
+#endif
+
+#include <complex.h>
+#include <float.h>
+#include <math.h>
+
+/*
+ * gcc doesn't implement complex multiplication or division correctly,
+ * so we need to handle infinities specially. We turn on this pragma to
+ * notify conforming c99 compilers that the fast-but-incorrect code that
+ * gcc generates is acceptable, since the special cases have already been
+ * handled.
+ */
+// #pragma STDC CX_LIMITED_RANGE ON
+
+/* We risk spurious overflow for components >= LDBL_MAX / (1 + sqrt(2)). */
+#define THRESH (LDBL_MAX / 2.414213562373095048801688724209698L)
+
+#define cpackl(r, i) ((r) + (i) * I)
+typedef enum { false, true } boolean;
+long double complex
+csqrtl(long double complex z)
+{
+ long double complex result;
+ long double a, b;
+ long double t;
+ boolean scale;
+
+ a = creall(z);
+ b = cimagl(z);
+
+ /* Handle special cases. */
+ if (z == 0.0L)
+ return (cpackl(0.0L, b));
+ if (isinf(b))
+ return (cpackl(INFINITY, b));
+ if (isnan(a)) {
+ t = (b - b) / (b - b); /* raise invalid if b is not a NaN */
+ return (cpackl(a, t)); /* return NaN + NaN i */
+ }
+ if (isinf(a)) {
+ /*
+ * csqrt(inf + NaN i) = inf + NaN i
+ * csqrt(inf + y i) = inf + 0 i
+ * csqrt(-inf + NaN i) = NaN +- inf i
+ * csqrt(-inf + y i) = 0 + inf i
+ */
+ if (signbit(a))
+ return (cpackl(fabsl(b - b), copysignl(a, b)));
+ else
+ return (cpackl(a, copysignl(b - b, b)));
+ }
+ /*
+ * The remaining special case (b is NaN) is handled just fine by
+ * the normal code path below.
+ */
+
+ /* Scale to avoid overflow. */
+ if (fabsl(a) >= THRESH || fabsl(b) >= THRESH) {
+ a *= 0.25L;
+ b *= 0.25L;
+ scale = true;
+ } else {
+ scale = false;
+ }
+
+ /* Algorithm 312, CACM vol 10, Oct 1967. */
+ if (a >= 0L) {
+ t = sqrtl((a + hypotl(a, b)) * 0.5L);
+ result = cpackl(t, b / (2.0L * t));
+ } else {
+ t = sqrtl((-a + hypotl(a, b)) * 0.5L);
+ result = cpackl(fabsl(b) / (2.0L * t), copysignl(t, b));
+ }
+
+ /* Rescale. */
+ if (scale)
+ return (result * 2.0L);
+ else
+ return (result);
+}
--
2.7.4
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Importing cacoshl.c and its dependent methos,
2017-06-21 2:25 Importing cacoshl.c and its dependent methos, aditya upadhyay
@ 2017-06-21 6:46 ` Sebastian Huber
2017-06-21 8:28 ` Corinna Vinschen
0 siblings, 1 reply; 8+ messages in thread
From: Sebastian Huber @ 2017-06-21 6:46 UTC (permalink / raw)
To: aditya upadhyay, newlib
On 21/06/17 04:24, aditya upadhyay wrote:
> Hello Developers,
> In cacoshl.c, There is a dependency between cacoshl.c and csqrtl.c.
> In ported csqrtl.c from NetBSD, stdbool.h is there, But i saw there
> is no stdbool.h.
>
> So for bool data type, I have used enum. Is it a right way or not.
> please suggest or do i have to use stdbool.h from gcc library ?
<stdbool.h> is currently not used by Newlib. I am not sure if we should
add this dependency if its only needed by csqrtl.c (in overall NetBSD
libm) and not visible to the user.
I would replace the #include <stdbool.h> with
#ifndef __cplusplus
typedef enum { false, true } bool;
#endif
and keep the rest of the code unchanged.
--
Sebastian Huber, embedded brains GmbH
Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone : +49 89 189 47 41-16
Fax : +49 89 189 47 41-09
E-Mail : sebastian.huber@embedded-brains.de
PGP : Public key available on request.
Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Importing cacoshl.c and its dependent methos,
2017-06-21 6:46 ` Sebastian Huber
@ 2017-06-21 8:28 ` Corinna Vinschen
2017-06-21 12:05 ` aditya upadhyay
0 siblings, 1 reply; 8+ messages in thread
From: Corinna Vinschen @ 2017-06-21 8:28 UTC (permalink / raw)
To: newlib
[-- Attachment #1: Type: text/plain, Size: 993 bytes --]
On Jun 21 08:46, Sebastian Huber wrote:
> On 21/06/17 04:24, aditya upadhyay wrote:
>
> > Hello Developers,
> > In cacoshl.c, There is a dependency between cacoshl.c and csqrtl.c.
> > In ported csqrtl.c from NetBSD, stdbool.h is there, But i saw there
> > is no stdbool.h.
> >
> > So for bool data type, I have used enum. Is it a right way or not.
> > please suggest or do i have to use stdbool.h from gcc library ?
>
> <stdbool.h> is currently not used by Newlib. I am not sure if we should add
> this dependency if its only needed by csqrtl.c (in overall NetBSD libm) and
> not visible to the user.
>
> I would replace the #include <stdbool.h> with
>
> #ifndef __cplusplus
> typedef enum { false, true } bool;
> #endif
>
> and keep the rest of the code unchanged.
Wait. Isn't stdbool.h available in gcc for ages? When building newlib,
shouldn't we be able to rely on c99 being available?
Corinna
--
Corinna Vinschen
Cygwin Maintainer
Red Hat
[-- Attachment #2: signature.asc --]
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^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Importing cacoshl.c and its dependent methos,
2017-06-21 8:28 ` Corinna Vinschen
@ 2017-06-21 12:05 ` aditya upadhyay
2017-06-21 15:02 ` Craig Howland
0 siblings, 1 reply; 8+ messages in thread
From: aditya upadhyay @ 2017-06-21 12:05 UTC (permalink / raw)
To: newlib
So ,To not rely on stdbool.h from c99, do i have to port stdbool.h here also ?
Otherwise we can use
#ifndef __cplusplus
typedef enum { false, true } bool;
#endif
Thanks a lot for your suggested modification. I am applying the
required the modification.
Regards,
Aditya Upadhyay
On Wed, Jun 21, 2017 at 1:58 PM, Corinna Vinschen <vinschen@redhat.com> wrote:
> On Jun 21 08:46, Sebastian Huber wrote:
>> On 21/06/17 04:24, aditya upadhyay wrote:
>>
>> > Hello Developers,
>> > In cacoshl.c, There is a dependency between cacoshl.c and csqrtl.c.
>> > In ported csqrtl.c from NetBSD, stdbool.h is there, But i saw there
>> > is no stdbool.h.
>> >
>> > So for bool data type, I have used enum. Is it a right way or not.
>> > please suggest or do i have to use stdbool.h from gcc library ?
>>
>> <stdbool.h> is currently not used by Newlib. I am not sure if we should add
>> this dependency if its only needed by csqrtl.c (in overall NetBSD libm) and
>> not visible to the user.
>>
>> I would replace the #include <stdbool.h> with
>>
>> #ifndef __cplusplus
>> typedef enum { false, true } bool;
>> #endif
>>
>> and keep the rest of the code unchanged.
>
> Wait. Isn't stdbool.h available in gcc for ages? When building newlib,
> shouldn't we be able to rely on c99 being available?
>
>
> Corinna
>
> --
> Corinna Vinschen
> Cygwin Maintainer
> Red Hat
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Importing cacoshl.c and its dependent methos,
2017-06-21 12:05 ` aditya upadhyay
@ 2017-06-21 15:02 ` Craig Howland
2017-06-21 15:09 ` Joel Sherrill
2017-06-26 6:05 ` Sebastian Huber
0 siblings, 2 replies; 8+ messages in thread
From: Craig Howland @ 2017-06-21 15:02 UTC (permalink / raw)
To: newlib
On 06/21/2017 08:04 AM, aditya upadhyay wrote:
> So ,To not rely on stdbool.h from c99, do i have to port stdbool.h here also ?
> Otherwise we can use
> #ifndef __cplusplus
> typedef enum { false, true } bool;
> #endif
>
> Thanks a lot for your suggested modification. I am applying the
> required the modification.
>
> Regards,
> Aditya Upadhyay
>
> On Wed, Jun 21, 2017 at 1:58 PM, Corinna Vinschen <vinschen@redhat.com> wrote:
>> On Jun 21 08:46, Sebastian Huber wrote:
>>> On 21/06/17 04:24, aditya upadhyay wrote:
>>>
>>>> Hello Developers,
>>>> In cacoshl.c, There is a dependency between cacoshl.c and csqrtl.c.
>>>> In ported csqrtl.c from NetBSD, stdbool.h is there, But i saw there
>>>> is no stdbool.h.
>>>>
>>>> So for bool data type, I have used enum. Is it a right way or not.
>>>> please suggest or do i have to use stdbool.h from gcc library ?
>>> <stdbool.h> is currently not used by Newlib. I am not sure if we should add
>>> this dependency if its only needed by csqrtl.c (in overall NetBSD libm) and
>>> not visible to the user.
>>>
>>> I would replace the #include <stdbool.h> with
>>>
>>> #ifndef __cplusplus
>>> typedef enum { false, true } bool;
>>> #endif
>>>
>>> and keep the rest of the code unchanged.
>> Wait. Isn't stdbool.h available in gcc for ages? When building newlib,
>> shouldn't we be able to rely on c99 being available?
>>
>>
>> Corinna
>>
Yes, we can, and should. That's because complex.h and stdbool.h were added in
C99, making C99 required for these functions. I did a quick check on some older
cross-compiler installs that I have, and GCC 4.1.1 has stdbool.h (and 4.6.4 has
complex.h).
Craig
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Importing cacoshl.c and its dependent methos,
2017-06-21 15:02 ` Craig Howland
@ 2017-06-21 15:09 ` Joel Sherrill
2017-06-21 15:18 ` Craig Howland
2017-06-26 6:05 ` Sebastian Huber
1 sibling, 1 reply; 8+ messages in thread
From: Joel Sherrill @ 2017-06-21 15:09 UTC (permalink / raw)
To: Craig Howland, newlib
On 6/21/2017 10:02 AM, Craig Howland wrote:
> On 06/21/2017 08:04 AM, aditya upadhyay wrote:
>> So ,To not rely on stdbool.h from c99, do i have to port stdbool.h here also ?
>> Otherwise we can use
>> #ifndef __cplusplus
>> typedef enum { false, true } bool;
>> #endif
>>
>> Thanks a lot for your suggested modification. I am applying the
>> required the modification.
>>
>> Regards,
>> Aditya Upadhyay
>>
>> On Wed, Jun 21, 2017 at 1:58 PM, Corinna Vinschen <vinschen@redhat.com> wrote:
>>> On Jun 21 08:46, Sebastian Huber wrote:
>>>> On 21/06/17 04:24, aditya upadhyay wrote:
>>>>
>>>>> Hello Developers,
>>>>> In cacoshl.c, There is a dependency between cacoshl.c and csqrtl.c.
>>>>> In ported csqrtl.c from NetBSD, stdbool.h is there, But i saw there
>>>>> is no stdbool.h.
>>>>>
>>>>> So for bool data type, I have used enum. Is it a right way or not.
>>>>> please suggest or do i have to use stdbool.h from gcc library ?
>>>> <stdbool.h> is currently not used by Newlib. I am not sure if we should add
>>>> this dependency if its only needed by csqrtl.c (in overall NetBSD libm) and
>>>> not visible to the user.
>>>>
>>>> I would replace the #include <stdbool.h> with
>>>>
>>>> #ifndef __cplusplus
>>>> typedef enum { false, true } bool;
>>>> #endif
>>>>
>>>> and keep the rest of the code unchanged.
>>> Wait. Isn't stdbool.h available in gcc for ages? When building newlib,
>>> shouldn't we be able to rely on c99 being available?
>>>
>>>
>>> Corinna
>>>
> Yes, we can, and should. That's because complex.h and stdbool.h were added in
> C99, making C99 required for these functions. I did a quick check on some older
> cross-compiler installs that I have, and GCC 4.1.1 has stdbool.h (and 4.6.4 has
> complex.h).
Just to clarify, I did a test and added include <stdbool.h> to printf.c.
It worked and picked up the gcc version. Can we rely on this being present
or does newlib need to have its own?
I want to make sure the direction is quite clear. :)
--joel
> Craig
>
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Importing cacoshl.c and its dependent methos,
2017-06-21 15:09 ` Joel Sherrill
@ 2017-06-21 15:18 ` Craig Howland
0 siblings, 0 replies; 8+ messages in thread
From: Craig Howland @ 2017-06-21 15:18 UTC (permalink / raw)
To: newlib
On 06/21/2017 11:09 AM, Joel Sherrill wrote:
>
>
> On 6/21/2017 10:02 AM, Craig Howland wrote:
>> Wait. Isn't stdbool.h available in gcc for ages? When building newlib,
>>>> shouldn't we be able to rely on c99 being available?
>>>>
>>>>
>>>> Corinna
>>>>
>> Yes, we can, and should. That's because complex.h and stdbool.h were added in
>> C99, making C99 required for these functions. I did a quick check on some older
>> cross-compiler installs that I have, and GCC 4.1.1 has stdbool.h (and 4.6.4 has
>> complex.h).
>
> Just to clarify, I did a test and added include <stdbool.h> to printf.c.
> It worked and picked up the gcc version. Can we rely on this being present
> or does newlib need to have its own?
>
> I want to make sure the direction is quite clear. :)
>
> --joel
We can rely on it being present in GCC. (stdbool.h is required in all
implementations, unlike some headers which are only required in hosted
implementations.) I just checked and 4.1.1 is from about May 2006, so it's been
present at least 11 years.
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: Importing cacoshl.c and its dependent methos,
2017-06-21 15:02 ` Craig Howland
2017-06-21 15:09 ` Joel Sherrill
@ 2017-06-26 6:05 ` Sebastian Huber
1 sibling, 0 replies; 8+ messages in thread
From: Sebastian Huber @ 2017-06-26 6:05 UTC (permalink / raw)
To: newlib
On 21/06/17 17:02, Craig Howland wrote:
> On 06/21/2017 08:04 AM, aditya upadhyay wrote:
>> So ,To not rely on stdbool.h from c99, do i have to port stdbool.h
>> here also ?
>> Otherwise we can use
>> #ifndef __cplusplus
>> typedef enum { false, true } bool;
>> #endif
>>
>> Thanks a lot for your suggested modification. I am applying the
>> required the modification.
>>
>> Regards,
>> Aditya Upadhyay
>>
>> On Wed, Jun 21, 2017 at 1:58 PM, Corinna Vinschen
>> <vinschen@redhat.com> wrote:
>>> On Jun 21 08:46, Sebastian Huber wrote:
>>>> On 21/06/17 04:24, aditya upadhyay wrote:
>>>>
>>>>> Hello Developers,
>>>>> In cacoshl.c, There is a dependency between cacoshl.c and csqrtl.c.
>>>>> In ported csqrtl.c from NetBSD, stdbool.h is there, But i saw there
>>>>> is no stdbool.h.
>>>>>
>>>>> So for bool data type, I have used enum. Is it a right way or not.
>>>>> please suggest or do i have to use stdbool.h from gcc library ?
>>>> <stdbool.h> is currently not used by Newlib. I am not sure if we
>>>> should add
>>>> this dependency if its only needed by csqrtl.c (in overall NetBSD
>>>> libm) and
>>>> not visible to the user.
>>>>
>>>> I would replace the #include <stdbool.h> with
>>>>
>>>> #ifndef __cplusplus
>>>> typedef enum { false, true } bool;
>>>> #endif
>>>>
>>>> and keep the rest of the code unchanged.
>>> Wait. Isn't stdbool.h available in gcc for ages? When building
>>> newlib,
>>> shouldn't we be able to rely on c99 being available?
>>>
>>>
>>> Corinna
>>>
> Yes, we can, and should. That's because complex.h and stdbool.h were
> added in C99, making C99 required for these functions. I did a quick
> check on some older cross-compiler installs that I have, and GCC 4.1.1
> has stdbool.h (and 4.6.4 has complex.h).
> Craig
Yes, since <complex.h> is C99 it makes sense to use <stdbool.h> as well.
In GCC the <stdbool.h> is available since 1998.
--
Sebastian Huber, embedded brains GmbH
Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone : +49 89 189 47 41-16
Fax : +49 89 189 47 41-09
E-Mail : sebastian.huber@embedded-brains.de
PGP : Public key available on request.
Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2017-06-26 6:05 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-06-21 2:25 Importing cacoshl.c and its dependent methos, aditya upadhyay
2017-06-21 6:46 ` Sebastian Huber
2017-06-21 8:28 ` Corinna Vinschen
2017-06-21 12:05 ` aditya upadhyay
2017-06-21 15:02 ` Craig Howland
2017-06-21 15:09 ` Joel Sherrill
2017-06-21 15:18 ` Craig Howland
2017-06-26 6:05 ` Sebastian Huber
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