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[84.220.189.10]) by smtp.gmail.com with ESMTPSA id f11-20020a056402004b00b005557bbb81bfsm6294003edu.79.2024.01.01.11.39.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jan 2024 11:39:00 -0800 (PST) Received: by mariano (Postfix, from userid 1000) id 3AD15BFCDC; Mon, 1 Jan 2024 20:38:59 +0100 (CET) From: Stefano Sabatini To: FFmpeg development discussions and patches Date: Mon, 1 Jan 2024 20:38:58 +0100 Message-Id: <20240101193859.1038078-1-stefasab@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/2] libavutil/eval: introduce UINT64_MAX constant X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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 Cc: Stefano Sabatini Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: wRupORKJtiQx This might be useful, e.g. when setting the random seed expressed as a uint64_t. --- doc/utils.texi | 3 +++ libavutil/eval.c | 1 + 2 files changed, 4 insertions(+) diff --git a/doc/utils.texi b/doc/utils.texi index 0c4f146f4f..ac9b63826e 100644 --- a/doc/utils.texi +++ b/doc/utils.texi @@ -1030,6 +1030,9 @@ area of the unit disc, approximately 3.14 exp(1) (Euler's number), approximately 2.718 @item PHI golden ratio (1+sqrt(5))/2, approximately 1.618 +@item UINT64_MAX +maximum value expressed as an unsigned integer, corresponds to +18446744073709551616 ((2^64)-1) @end table Assuming that an expression is considered "true" if it has a non-zero diff --git a/libavutil/eval.c b/libavutil/eval.c index dc6b3697bc..93048bff91 100644 --- a/libavutil/eval.c +++ b/libavutil/eval.c @@ -100,6 +100,7 @@ static const struct { { "PI", M_PI }, { "PHI", M_PHI }, { "QP2LAMBDA", FF_QP2LAMBDA }, + { "UINT64_MAX", UINT64_MAX } }; double av_strtod(const char *numstr, char **tail)