main/libc0.9.32: add cabsf/cabsl() and cexp/cexpf/cexpl() functions to libm

1 files changed, 101 insertions, 0 deletions

diff --git a/main/libc0.9.32/libm-cexp.patch b/main/libc0.9.32/libm-cexp.patch
new file mode 100644
index 0000000000..82f914fa95
--- /dev/null
+++ b/main/libc0.9.32/libm-cexp.patch
@@ -0,0 +1,101 @@
+From 8733cd43293bfa04b4334db7873c4de613f5cf75 Mon Sep 17 00:00:00 2001
+From: William Pitcock <nenolod@dereferenced.org>
+Date: Tue, 1 Nov 2011 18:41:30 -0500
+Subject: [PATCH 1/2] libm: implement generic cexp(), cexpf() and cexpl().
+
+The cexp*() family of functions is defined by the C99 math standard as
+implementing exponential functions for complex types.
+
+Signed-off-by: William Pitcock <nenolod@dereferenced.org>
+---
+ libm/Makefile.in |    3 +-
+ libm/cexp.c      |   63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 65 insertions(+), 1 deletions(-)
+ create mode 100644 libm/cexp.c
+
+diff --git a/libm/Makefile.in b/libm/Makefile.in
+index f0aaa2a..af949e8 100644
+--- a/libm/Makefile.in
++++ b/libm/Makefile.in
+@@ -72,7 +72,8 @@ libm_CSRC := \
+ 	s_fpclassify.c s_fpclassifyf.c s_signbit.c s_signbitf.c \
+ 	s_isnan.c s_isnanf.c s_isinf.c s_isinff.c s_finitef.c \
+ 	s_fdim.c s_fma.c s_fmax.c s_fmin.c \
+-	s_remquo.c w_exp2.c
++	s_remquo.c w_exp2.c \
++	cexp.c
+ 
+ # Not implemented [yet?], see comment in float_wrappers.c:
+ # fdimf.o fmaf.o fmaxf.o fminf.o
+diff --git a/libm/cexp.c b/libm/cexp.c
+new file mode 100644
+index 0000000..87512b7
+--- /dev/null
++++ b/libm/cexp.c
+@@ -0,0 +1,63 @@
++/*
++ * Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>
++ *
++ * Permission to use, copy, modify, and/or 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.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <features.h>
++#include <math.h>
++#include <complex.h>
++
++__complex__ double cexp(__complex__ double z)
++{
++	__complex__ double ret;
++	double r_exponent = exp(__real__ z);
++
++	__real__ ret = r_exponent * cos(__imag__ z);
++	__imag__ ret = r_exponent * sin(__imag__ z);
++
++	return ret;
++}
++libm_hidden_def(cexp)
++
++libm_hidden_proto(cexpf)
++__complex__ float cexpf(__complex__ float z)
++{
++	__complex__ float ret;
++	double r_exponent = exp(__real__ z);
++
++	__real__ ret = r_exponent * cosf(__imag__ z);
++	__imag__ ret = r_exponent * sinf(__imag__ z);
++
++	return ret;
++}
++libm_hidden_def(cexpf)
++
++#if defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ && !defined __NO_LONG_DOUBLE_MATH
++libm_hidden_proto(cexpl)
++__complex__ long double cexpl(__complex__ long double z)
++{
++	__complex__ long double ret;
++	long double r_exponent = expl(__real__ z);
++
++	__real__ ret = r_exponent * cosl(__imag__ z);
++	__imag__ ret = r_exponent * sinl(__imag__ z);
++
++	return ret;
++}
++libm_hidden_def(cexpl)
++#endif
+-- 
+1.7.7.1
+