From patchwork Thu May 30 17:18:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Devarsh Thakkar X-Patchwork-Id: 13680638 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 47DA32D05D; Thu, 30 May 2024 17:19:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717089555; cv=none; b=SBM91ABVghFqLj+KzT6nRnDUA0Rxw9rfii2ojpO/yC+SPIs1cAlKRJKwwrMeX3SmQzsooyTMOL/OW17TGjEq/vlrydcpm7sfCsw379YaQHCkiCRxHT4T9fvjNZoRpiBQj/VvDPaT3Y7YMNO2gCJrW3UFtVlzqQxLjphPpp0Qi2c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717089555; c=relaxed/simple; bh=vwRGKnBM8n1zsa2BElxhvGNqvaUndHUszAqMTEMU1NM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IEksP5+Kk6hzRunuDuunG48yQ+UNrx8/941F/jaxP568Lyx8Fecdk1RztZnCkqujh8CUv1UQNR855B4xHIhE8mMre8E+EOEBVhXkVOqbS8TKxEPRVtfZyyfpWK5dw4KOMpCKF0OD4VjXBWk8NK4lNvB+TzayZZpYMsY/yMBK+AM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=VLBZVYjH; arc=none smtp.client-ip=198.47.19.142 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="VLBZVYjH" Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 44UHIwZS030014; Thu, 30 May 2024 12:18:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1717089539; bh=2PogmUk1hSB0bi7VeD5vCAwoLSFJmHO/jgjPWpoPpEE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=VLBZVYjHU70VpPh6sTbQpN1WWRBLxGm82mqeqsvxmQjO87WVrLDj0FfsCClCIwFYB ZsPFEPI5q+LbldEVcUvZqPRXOWzcDPW4rmi4tLx5JryCL0IJ8tq8dZXVizjttjjLF/ nWD4mLtcyn8xijSVl+Gviw2lOlC63pLxVkiPFFvA= Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 44UHIwPM000475 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 30 May 2024 12:18:58 -0500 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 30 May 2024 12:18:58 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE105.ent.ti.com (10.64.6.26) 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; Thu, 30 May 2024 12:18:58 -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 44UHIvv6064687; Thu, 30 May 2024 12:18:58 -0500 From: Devarsh Thakkar To: , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , Subject: [PATCH v10 09/11] lib: math_kunit: Add tests for new macros related to rounding to nearest value Date: Thu, 30 May 2024 22:48:57 +0530 Message-ID: <20240530171857.2766683-1-devarsht@ti.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20240530165925.2715837-1-devarsht@ti.com> References: <20240530165925.2715837-1-devarsht@ti.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 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 --- V1->V10 (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 16263e30a292..60b66aa41121 100644 --- a/lib/math/math_kunit.c +++ b/lib/math/math_kunit.c @@ -67,6 +67,26 @@ 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) { @@ -92,6 +112,18 @@ 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); @@ -269,8 +301,11 @@ 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),