From patchwork Tue Nov 20 14:28:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ross X-Patchwork-Id: 11089 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 134F044E2E7 for ; Tue, 20 Nov 2018 16:28:43 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 97006689EFD; Tue, 20 Nov 2018 16:28:43 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mx.sdf.org (mx.sdf.org [205.166.94.20]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 188F468053A for ; Tue, 20 Nov 2018 16:28:36 +0200 (EET) Received: from da069e838055010008f8a156c2865fb3 (pa49-184-193-5.pa.vic.optusnet.com.au [49.184.193.5]) (authenticated (128 bits)) by mx.sdf.org (8.15.2/8.14.5) with ESMTPSA id wAKESK3g017957 (using TLSv1.2 with cipher AES256-GCM-SHA384 (256 bits) verified NO) for ; Tue, 20 Nov 2018 14:28:27 GMT Date: Wed, 21 Nov 2018 01:28:23 +1100 From: Peter Ross To: ffmpeg-devel@ffmpeg.org Message-ID: References: MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Subject: [FFmpeg-devel] [PATCH 2/5] additional math.h functions for djgpp X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" --- compat/djgpp/math.c | 47 +++++++++++++++++++++++++++++++++++++++++++ compat/djgpp/math.h | 25 +++++++++++++++++++++++ configure | 2 ++ tests/ref/fate/source | 1 + 4 files changed, 75 insertions(+) create mode 100644 compat/djgpp/math.c create mode 100644 compat/djgpp/math.h diff --git a/compat/djgpp/math.c b/compat/djgpp/math.c new file mode 100644 index 0000000000..777b879e01 --- /dev/null +++ b/compat/djgpp/math.c @@ -0,0 +1,47 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#define FUN(name, type, op) \ +type name(type x, type y) \ +{ \ + if (fpclassify(x) == FP_NAN) return y; \ + if (fpclassify(y) == FP_NAN) return x; \ + return x op y ? x : y; \ +} + +FUN(fmin, double, <) +FUN(fmax, double, >) +FUN(fminf, float, <) +FUN(fmaxf, float, >) + +long double fmodl(long double x, long double y) +{ + return fmod(x, y); +} + +long double scalbnl(long double x, int exp) +{ + return scalbn(x, exp); +} + +long double copysignl(long double x, long double y) +{ + return copysign(x, y); +} diff --git a/compat/djgpp/math.h b/compat/djgpp/math.h new file mode 100644 index 0000000000..4c02ea9c40 --- /dev/null +++ b/compat/djgpp/math.h @@ -0,0 +1,25 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +double fmin(double, double); +double fmax(double, double); +float fminf(float, float); +float fmaxf(float, float); +long double fmodl(long double, long double); +long double scalbnl(long double, int); +long double copysignl(long double, long double); diff --git a/configure b/configure index 9ceb4a0c76..6d58d30df6 100755 --- a/configure +++ b/configure @@ -5466,6 +5466,8 @@ EOF elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then eval ${pfx}libc_type=djgpp add_cppflags -U__STRICT_ANSI__ + add_cflags "-include $source_path/compat/djgpp/math.h" + add_compat djgpp/math.o fi test_${pfx}cc < diff --git a/tests/ref/fate/source b/tests/ref/fate/source index b35f016127..0c98a0638a 100644 --- a/tests/ref/fate/source +++ b/tests/ref/fate/source @@ -28,6 +28,7 @@ compat/avisynth/avxsynth_c.h compat/avisynth/windowsPorts/basicDataTypeConversions.h compat/avisynth/windowsPorts/windows2linux.h compat/cuda/dynlink_loader.h +compat/djgpp/math.h compat/float/float.h compat/float/limits.h Use of av_clip() where av_clip_uintp2() could be used: