From patchwork Fri May 31 17:16:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Devarsh Thakkar X-Patchwork-Id: 13681967 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F36A3C25B75 for ; Fri, 31 May 2024 17:16:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0D88510E662; Fri, 31 May 2024 17:16:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="BBSWgNw6"; dkim-atps=neutral Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9358C10E662 for ; Fri, 31 May 2024 17:16:41 +0000 (UTC) Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 44VHGUnh063193; Fri, 31 May 2024 12:16:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1717175790; bh=Spits0njPC3lG9fqR1Is5PtKb6tj7QPAJ4pQ0WwxGSc=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=BBSWgNw6UmJVacjLOKfaYU+SY9Yaef4waOYPtoyWqRc3yOj8t+Bg+naKZA3DMXljg 2QnaPz1phbMSD6sNJFx0KD0lVYHspnmJeT8wCb+qgE5WFV+653pSKhMGHLoU6a3za9 J/o/HCHTFy/R+/VaTgToOONVAqtos5lfAssVIrhA= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 44VHGUZb026880 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 31 May 2024 12:16:30 -0500 Received: from DFLE100.ent.ti.com (10.64.6.21) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 31 May 2024 12:16:30 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Fri, 31 May 2024 12:16:30 -0500 Received: from localhost (ti.dhcp.ti.com [172.24.227.95] (may be forged)) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 44VHGTMK080326; Fri, 31 May 2024 12:16:29 -0500 From: Devarsh Thakkar To: , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , Subject: [PATCH v11 09/11] lib: math_kunit: Add tests for new macros related to rounding to nearest value Date: Fri, 31 May 2024 22:46:28 +0530 Message-ID: <20240531171628.1306389-1-devarsht@ti.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20240531170229.1270828-1-devarsht@ti.com> References: <20240531170229.1270828-1-devarsht@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add tests for round_closest_up/down and roundclosest macros which round to nearest multiple of specified argument. These are tested with kunit tool as shared here [1]. [1]: https://gist.github.com/devarsht/3f9042825be3da4e133b8f4eda067876 Signed-off-by: Devarsh Thakkar Acked-by: Andy Shevchenko --- V1->V11 (No change, patch introduced in V8) --- lib/math/math_kunit.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/lib/math/math_kunit.c b/lib/math/math_kunit.c index be27f2afb8e4..05022f010be6 100644 --- a/lib/math/math_kunit.c +++ b/lib/math/math_kunit.c @@ -70,6 +70,26 @@ static void round_down_test(struct kunit *test) KUNIT_EXPECT_EQ(test, round_down((1 << 30) - 1, 1 << 29), 1 << 29); } +static void round_closest_up_test(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, round_closest_up(17, 4), 16); + KUNIT_EXPECT_EQ(test, round_closest_up(15, 4), 16); + KUNIT_EXPECT_EQ(test, round_closest_up(14, 4), 16); + KUNIT_EXPECT_EQ(test, round_closest_up((1 << 30) - 1, 1 << 30), 1 << 30); + KUNIT_EXPECT_EQ(test, round_closest_up((1 << 30) + 1, 1 << 30), 1 << 30); + KUNIT_EXPECT_EQ(test, round_closest_up((1 << 30) - 1, 2), 1 << 30); +} + +static void round_closest_down_test(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, round_closest_down(17, 4), 16); + KUNIT_EXPECT_EQ(test, round_closest_down(15, 4), 16); + KUNIT_EXPECT_EQ(test, round_closest_down(14, 4), 12); + KUNIT_EXPECT_EQ(test, round_closest_down((1 << 30) - 1, 1 << 30), 1 << 30); + KUNIT_EXPECT_EQ(test, round_closest_down((1 << 30) + 1, 1 << 30), 1 << 30); + KUNIT_EXPECT_EQ(test, round_closest_down((1 << 30) - 1, 2), (1 << 30) - 2); +} + /* These versions can round to numbers that aren't a power of two */ static void roundup_test(struct kunit *test) { @@ -95,6 +115,18 @@ static void rounddown_test(struct kunit *test) KUNIT_EXPECT_EQ(test, rounddown(4, 3), 3); } +static void roundclosest_test(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, roundclosest(21, 5), 20); + KUNIT_EXPECT_EQ(test, roundclosest(19, 5), 20); + KUNIT_EXPECT_EQ(test, roundclosest(17, 5), 15); + KUNIT_EXPECT_EQ(test, roundclosest((1 << 30), 3), (1 << 30) - 1); + KUNIT_EXPECT_EQ(test, roundclosest((1 << 30) - 1, 1 << 29), 1 << 30); + + KUNIT_EXPECT_EQ(test, roundclosest(4, 3), 3); + KUNIT_EXPECT_EQ(test, roundclosest(5, 3), 6); +} + static void div_round_up_test(struct kunit *test) { KUNIT_EXPECT_EQ(test, DIV_ROUND_UP(0, 1), 0); @@ -272,8 +304,11 @@ static struct kunit_case math_test_cases[] = { KUNIT_CASE(int_sqrt_test), KUNIT_CASE(round_up_test), KUNIT_CASE(round_down_test), + KUNIT_CASE(round_closest_up_test), + KUNIT_CASE(round_closest_down_test), KUNIT_CASE(roundup_test), KUNIT_CASE(rounddown_test), + KUNIT_CASE(roundclosest_test), KUNIT_CASE(div_round_up_test), KUNIT_CASE(div_round_closest_test), KUNIT_CASE_PARAM(gcd_test, gcd_gen_params),