From c35dc03f93c2070e9902cff9a75f02c165492a7e Mon Sep 17 00:00:00 2001 From: bugzilla-daemon Date: Tue, 5 May 2020 14:29:33 +0000 Subject: [PATCH] [libre-riscv-dev] [Bug 208] implement CORDIC in a general way sufficient to do transcendentals --- fa/a9850ebefe70658fe3a4928eeffc4f150d04a9 | 97 +++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 fa/a9850ebefe70658fe3a4928eeffc4f150d04a9 diff --git a/fa/a9850ebefe70658fe3a4928eeffc4f150d04a9 b/fa/a9850ebefe70658fe3a4928eeffc4f150d04a9 new file mode 100644 index 0000000..359a817 --- /dev/null +++ b/fa/a9850ebefe70658fe3a4928eeffc4f150d04a9 @@ -0,0 +1,97 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Tue, 05 May 2020 15:29:34 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jVyZh-0003Z0-VE; Tue, 05 May 2020 15:29:33 +0100 +Received: from localhost ([127.0.0.1] helo=bugs.libre-soc.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) id 1jVyZg-0003Yo-QW + for libre-riscv-dev@lists.libre-riscv.org; Tue, 05 May 2020 15:29:32 +0100 +From: bugzilla-daemon@libre-soc.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Tue, 05 May 2020 14:29:33 +0000 +X-Bugzilla-Reason: CC +X-Bugzilla-Type: changed +X-Bugzilla-Watch-Reason: None +X-Bugzilla-Product: Libre-SOC's first SoC +X-Bugzilla-Component: ALU (including IEEE754 16/32/64-bit FPU) +X-Bugzilla-Version: unspecified +X-Bugzilla-Keywords: +X-Bugzilla-Severity: enhancement +X-Bugzilla-Who: mtnolan2640@gmail.com +X-Bugzilla-Status: CONFIRMED +X-Bugzilla-Resolution: +X-Bugzilla-Priority: --- +X-Bugzilla-Assigned-To: mtnolan2640@gmail.com +X-Bugzilla-Flags: +X-Bugzilla-Changed-Fields: +Message-ID: +In-Reply-To: +References: +X-Bugzilla-URL: https://bugs.libre-soc.org/ +Auto-Submitted: auto-generated +MIME-Version: 1.0 +Subject: [libre-riscv-dev] [Bug 208] implement CORDIC in a general way + sufficient to do transcendentals +X-BeenThere: libre-riscv-dev@lists.libre-riscv.org +X-Mailman-Version: 2.1.23 +Precedence: list +List-Id: Libre-RISCV General Development + +List-Unsubscribe: , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: , + +Reply-To: Libre-RISCV General Development + +Content-Type: text/plain; charset="utf-8" +Content-Transfer-Encoding: base64 +Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org +Sender: "libre-riscv-dev" + +aHR0cHM6Ly9idWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTIwOAoKLS0tIENvbW1l +bnQgIzM4IGZyb20gTWljaGFlbCBOb2xhbiA8bXRub2xhbjI2NDBAZ21haWwuY29tPiAtLS0KKElu +IHJlcGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICMzNikK +PiAKPiAoanVzdCBydW5uaW5nIHRoZSB0ZXN0cywgeW91IGZvcmdvdCB0byBjb21taXQgY29yZGlj +L3Jlbm9ybWFsaXplLnB5Lgo+ICBmb3IgZnV0dXJlIHJlZmVyZW5jZSwgdXNlICJnaXQgc3RhdHVz +IiBhbmQgeW91IHNob3VsZCBzcG90IG1pc3NpbmcKPiAgZmlsZXMsIGZhaXJseSBlYXNpbHkuICB0 +aGF0J3MgaWYgd2UncmUgcHJvcGVybHkgbWFpbnRhaW5pbmcgIi5naXRpZ25vcmUiKQoKT29wcywg +Zml4ZWQhCj4gCj4gCj4gPiBIb3dldmVyLCBmb3IgdGhlIGNvbnZlcnNpb24gYmFjayB0byBmbG9h +dGluZyBwb2ludCBJIGhhZCB0byB3cml0ZSBteSBvd24KPiA+IGNsYXNzIHRvIGRvIHNvLCBhcyBu +b25lIG9mIHRoZSBleGlzdGluZyBvbmVzICh1c2VkIGluIGZwYWRkIGZvciBpbnN0YW5jZSkKPiA+ +IHN1cHBvcnQgKnR3byogb3V0cHV0cy4gCj4gCj4geWVhaCwga2Vlbmx5IGF3YXJlIG9mIHRoYXQu +Cj4gCj4gPiBJIGRvbid0IGltYWdpbmUgd2Ugd2FudCB0byBjb250aW51ZSB1c2luZyBteQo+ID4g +aW1wbGVtZW50YXRpb24sIHNvIHdoYXQgd291bGQgYmUgdGhlIGJlc3Qgd2F5IG9mIGdvaW5nIGFi +b3V0IHRoaXM/Cj4gCj4gaG1tbSBobW1tIHdlbGwgd2Ugd2lsbCBhY3R1YWxseSBuZWVkIGRvdWJs +ZS1vdXRwdXQgZnVuY3Rpb25zIGF0IHNvbWUKPiBwb2ludCAoYW5kIG1vcmUpOiBOT1JNQUxJU0Us +IERPVFBST0RVQ1QsIHRoZXkncmUgYWxsIG11bHRpLW91dHB1dC4KPiAKPiBob3dldmVyIGZvciB0 +aGUgcGxhaW4gIlNJTiIgYW5kICJDT1MiIG9wZXJhdGlvbnMgLSBhbmQgb3RoZXJzIHRoYXQKPiB3 +aWxsIHVzZSAiR2VuZXJhbCBDT1JESUMiIC0gd2Ugc2ltcGx5ICpkcm9wKiB0aGUgb3V0cHV0IG9u +IHRoZSBmbG9vcgo+IGlmIGl0J3MgdW51c2VkLgo+IAo+IGlmIGhvd2V2ZXIgd2UgZG8gbWFjcm8t +b3AgZnVzaW9uLCBzcG90dGluZyB0d28gKGNvbW1vbmx5LXVzZWQpCj4gb3BlcmF0aW9ucyB0b2dl +dGhlciwgdGhlIHR3byByZXN1bHRzICp3aWxsKiBiZSBuZWVkZWQuCgpBaCBvaywgc28gbWF5YmUg +SSBzaG91bGQgYWRkIGFuIGlucHV0IHRoYXQgc2VsZWN0cyBvbmUgb3IgdGhlIG90aGVyPyAoa2lu +ZGEKc3Vja3MgdGhhdCB3ZSBuZWVkIHRvIGNhbGN1bGF0ZSBib3RoIGZvciB0aGUgY29yZGljIHRv +IHdvcmssIG9oIHdlbGwpCgoKKEluIHJlcGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0 +b24gZnJvbSBjb21tZW50ICMzNykKPiBhaCBleGNlbGxlbnQhICB5b3UgZGlkIGEgRlNNLWJhc2Vk +IHZlcnNpb24gYXMgd2VsbCwgdGhhdCdzIHN1cGVyYi4KPiBpZiB0aGUgcGlwZWxpbmVkIHZlcnNp +b24gdHVybnMgb3V0IHRvIGJlIGluc2FuZWx5IGdhdGUtaHVuZ3J5LCBvcgo+IGp1c3Qgbm90IHRo +YXQgaW1wb3J0YW50LCB3ZSBjYW4gdXNlIGl0LgoKVW5mb3J0dW5hdGVseSwgdGhhdCBvbmUgaXNu +J3QgYXMgY29tcGxldGUgYXMgdGhlIHBpcGVsaW5lZCBvbmUuIEl0IGRvZXNuJ3QKaGFuZGxlIGRl +bm9ybWFscyBvciAwIHdlbGwgYmVjYXVzZSBJIGhhZCB0byByb2xsIG15IG93biBkZW5vcm1hbGl6 +YXRpb24gc3RhZ2UKaW5zdGVhZCBvZiB1c2luZyB0aGUgZXhpc3Rpbmcgb25lIGZyb20gdGhlIG11 +bHRpcGxpZXIuIEFuZCBpdCBkb2Vzbid0ICh5ZXQpCnN1cHBvcnQgY29udmVyc2lvbiBiYWNrIGlu +dG8gZmxvYXRpbmcgcG9pbnQgYXQgdGhlIGVuZC4gCgo+IAo+IGFsc28gYXMgYSAiZ2VuZXJhbC1w +dXJwb3NlIGxpYnJhcnkiIGl0J3MgZXh0cmVtZWx5IHVzZWZ1bCB0byBoYXZlCj4gYmVjYXVzZSBv +dGhlciBkZXZlbG9wZXJzIG1pZ2h0IG5vdCB3YW50IGEgZnVsbCBwaXBlbGluZSB2ZXJzaW9uLgoK +TWFrZXMgc2Vuc2UuCgotLSAKWW91IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1c2U6Cllv +dSBhcmUgb24gdGhlIENDIGxpc3QgZm9yIHRoZSBidWcuCl9fX19fX19fX19fX19fX19fX19fX19f +X19fX19fX19fX19fX19fX19fX19fX19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxpc3QKbGli +cmUtcmlzY3YtZGV2QGxpc3RzLmxpYnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGlicmUtcmlz +Y3Yub3JnL21haWxtYW4vbGlzdGluZm8vbGlicmUtcmlzY3YtZGV2Cg== + -- 2.30.2