{"id":1679,"url":"https://patchwork.libcamera.org/api/patches/1679/?format=json","web_url":"https://patchwork.libcamera.org/patch/1679/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20190713113946.25744-1-niklas.soderlund@ragnatech.se>","date":"2019-07-13T11:39:46","name":"[libcamera-devel] libcamera: utils: Add clamp()","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"bc47847644ec1b3f9a3436f4fcb0a18ee50c254f","submitter":{"id":5,"url":"https://patchwork.libcamera.org/api/people/5/?format=json","name":"Niklas Söderlund","email":"niklas.soderlund@ragnatech.se"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/1679/mbox/","series":[{"id":428,"url":"https://patchwork.libcamera.org/api/series/428/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=428","date":"2019-07-13T11:39:46","name":"[libcamera-devel] libcamera: utils: Add clamp()","version":1,"mbox":"https://patchwork.libcamera.org/series/428/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/1679/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/1679/checks/","tags":{},"headers":{"Return-Path":"","Received":["from vsp-unauthed02.binero.net (vsp-unauthed02.binero.net\n\t[195.74.38.227])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4C2FC60E40\n\tfor ;\n\tSat, 13 Jul 2019 13:39:58 +0200 (CEST)","from localhost.localdomain (unknown [126.209.254.147])\n\tby bin-vsp-out-02.atm.binero.net (Halon) with ESMTPA\n\tid ebdafb60-a562-11e9-8d05-005056917f90;\n\tSat, 13 Jul 2019 13:39:55 +0200 (CEST)"],"X-Halon-ID":"ebdafb60-a562-11e9-8d05-005056917f90","Authorized-sender":"niklas@soderlund.pp.se","From":"=?utf-8?q?Niklas_S=C3=B6derlund?= ","To":"libcamera-devel@lists.libcamera.org","Date":"Sat, 13 Jul 2019 20:39:46 +0900","Message-Id":"<20190713113946.25744-1-niklas.soderlund@ragnatech.se>","X-Mailer":"git-send-email 2.22.0","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH] libcamera: utils: Add clamp()","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","X-List-Received-Date":"Sat, 13 Jul 2019 11:39:58 -0000"},"content":"C++11 does not support std::clamp(), add a custom implementation in\nutils.\n\nSigned-off-by: Niklas Söderlund \n---\n src/libcamera/include/utils.h | 7 +++++++\n src/libcamera/utils.cpp | 9 +++++++++\n 2 files changed, 16 insertions(+)","diff":"diff --git a/src/libcamera/include/utils.h b/src/libcamera/include/utils.h\nindex 97bd470a45b050ef..beb2ce3ff7da9352 100644\n--- a/src/libcamera/include/utils.h\n+++ b/src/libcamera/include/utils.h\n@@ -7,6 +7,7 @@\n #ifndef __LIBCAMERA_UTILS_H__\n #define __LIBCAMERA_UTILS_H__\n \n+#include \n #include \n \n #define ARRAY_SIZE(a)\t(sizeof(a) / sizeof(a[0]))\n@@ -45,6 +46,12 @@ unsigned int set_overlap(InputIt1 first1, InputIt1 last1,\n \treturn count;\n }\n \n+/* C++11 doesn't provide std::clamp */\n+template \n+T clamp(const T& v, const T& lo, const T& hi) {\n+\treturn std::max(lo, std::min(v, hi));\n+}\n+\n } /* namespace utils */\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/utils.cpp b/src/libcamera/utils.cpp\nindex ef365366f29b426e..b0ca3565ee5a0d83 100644\n--- a/src/libcamera/utils.cpp\n+++ b/src/libcamera/utils.cpp\n@@ -85,6 +85,15 @@ char *secure_getenv(const char *name)\n * \\return The number of elements in the intersection of the two ranges\n */\n \n+/**\n+ * \\fn libcamera::utils::clamp(const T& v, const T& lo, const T& hi)\n+ * \\param[in] v The value to clamp\n+ * \\param[in] lo The lower boundary to clamp v to\n+ * \\param[in] hi The higher boundary to clamp v to\n+ *\n+ * \\return lo if v is less than lo, hi if v is greater than hi, otherwise v\n+ */\n+\n } /* namespace utils */\n \n } /* namespace libcamera */\n","prefixes":["libcamera-devel"]}