Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Tue, 05 May 2020 15:04:18 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jVyBF-0002v0-Jo; Tue, 05 May 2020 15:04:17 +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 1jVyB3-0002ui-Rp for libre-riscv-dev@lists.libre-riscv.org; Tue, 05 May 2020 15:04:05 +0100 From: bugzilla-daemon@libre-soc.org To: libre-riscv-dev@lists.libre-riscv.org Date: Tue, 05 May 2020 14:04:06 +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: lkcl@lkcl.net 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 bnQgIzM2IGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g LS0tCihJbiByZXBseSB0byBNaWNoYWVsIE5vbGFuIGZyb20gY29tbWVudCAjMzUpCj4gU28gSSB0 aGluayBJIGdvdCB0aGUgZmxvYXRpbmcgcG9pbnQgY29yZGljIGFsbCB0aGUgd2F5IHdvcmtpbmcg eWVzdGVyZGF5LiBJdAo+IGNvbnZlcnRzIHRoZSBmbG9hdGluZyBwb2ludCBpbnB1dCB0byBhIGZp eGVkIHBvaW50IDUwIGJpdCBudW1iZXIsIGNhbGN1bGF0ZXMKPiB0aGUgc2luZSBhbmQgY29zaW5l LCB0aGVuIGNvbnZlcnRzIHRoZW0gYmFjayB0byBmbG9hdGluZyBwb2ludC4KCmh1cnJhaCEKCihq dXN0IHJ1bm5pbmcgdGhlIHRlc3RzLCB5b3UgZm9yZ290IHRvIGNvbW1pdCBjb3JkaWMvcmVub3Jt YWxpemUucHkuCiBmb3IgZnV0dXJlIHJlZmVyZW5jZSwgdXNlICJnaXQgc3RhdHVzIiBhbmQgeW91 IHNob3VsZCBzcG90IG1pc3NpbmcKIGZpbGVzLCBmYWlybHkgZWFzaWx5LiAgdGhhdCdzIGlmIHdl J3JlIHByb3Blcmx5IG1haW50YWluaW5nICIuZ2l0aWdub3JlIikKCgo+IEhvd2V2ZXIsIGZvciB0 aGUgY29udmVyc2lvbiBiYWNrIHRvIGZsb2F0aW5nIHBvaW50IEkgaGFkIHRvIHdyaXRlIG15IG93 bgo+IGNsYXNzIHRvIGRvIHNvLCBhcyBub25lIG9mIHRoZSBleGlzdGluZyBvbmVzICh1c2VkIGlu IGZwYWRkIGZvciBpbnN0YW5jZSkKPiBzdXBwb3J0ICp0d28qIG91dHB1dHMuIAoKeWVhaCwga2Vl bmx5IGF3YXJlIG9mIHRoYXQuCgo+IEkgZG9uJ3QgaW1hZ2luZSB3ZSB3YW50IHRvIGNvbnRpbnVl IHVzaW5nIG15Cj4gaW1wbGVtZW50YXRpb24sIHNvIHdoYXQgd291bGQgYmUgdGhlIGJlc3Qgd2F5 IG9mIGdvaW5nIGFib3V0IHRoaXM/CgpobW1tIGhtbW0gd2VsbCB3ZSB3aWxsIGFjdHVhbGx5IG5l ZWQgZG91YmxlLW91dHB1dCBmdW5jdGlvbnMgYXQgc29tZQpwb2ludCAoYW5kIG1vcmUpOiBOT1JN QUxJU0UsIERPVFBST0RVQ1QsIHRoZXkncmUgYWxsIG11bHRpLW91dHB1dC4KCmhvd2V2ZXIgZm9y IHRoZSBwbGFpbiAiU0lOIiBhbmQgIkNPUyIgb3BlcmF0aW9ucyAtIGFuZCBvdGhlcnMgdGhhdAp3 aWxsIHVzZSAiR2VuZXJhbCBDT1JESUMiIC0gd2Ugc2ltcGx5ICpkcm9wKiB0aGUgb3V0cHV0IG9u IHRoZSBmbG9vcgppZiBpdCdzIHVudXNlZC4KCmlmIGhvd2V2ZXIgd2UgZG8gbWFjcm8tb3AgZnVz aW9uLCBzcG90dGluZyB0d28gKGNvbW1vbmx5LXVzZWQpCm9wZXJhdGlvbnMgdG9nZXRoZXIsIHRo ZSB0d28gcmVzdWx0cyAqd2lsbCogYmUgbmVlZGVkLgoKCj4gSSBhbHNvIG5lZWRlZCB0byB3cml0 ZSBhIG1vZHVsZSBmb3IgY291bnRpbmcgdGhlIG51bWJlciBvZiBsZWFkaW5nIHplcm9zIGluCj4g dGhlIGZpeGVkIHBvaW50IG51bWJlci4gCgphaCBnb29vZC4gIGFjdHVhbGx5IGkgdGhpbmsuLi4g c29tZXdoZXJlLi4uIHZlcnkgaW5lcHRseS1uYW1lZCwgdGhlcmUKaXMgYSBjbGFzcyB0aGF0IGRv ZXMgdGhpcy4gIHByb2JhYmx5ICJNdWx0aVNoaWZ0Uk1lcmdlIi4KCmRvbid0IHdvcnJ5IGFib3V0 IGl0IDopCgo+IEkgZG9uJ3QgaW1hZ2luZSB0aGlzIHdvdWxkIG9ubHkgYmUgdXNlZnVsIHRvIHRo ZQo+IGNvcmRpYzsgd2hlcmUgd291bGQgYmUgdGhlIGJlc3QgcGxhY2UgdG8gcHV0IGl0PyBmcGNv bW1vbj8KCm9uIG9uZSBoYW5kIGknZCBiZSBpbmNsaW5lZCB0byBzdWdnZXN0IG5tdXRpbCAoYmVj YXVzZSBDTFogaXMgcHJldHR5CnVzZWZ1bCwgZ2VuZXJhbGx5KQoKb24gdGhlIG90aGVyLCBpdCdz IGEgYmFzaWMgIkFMVSIgb3BlcmF0aW9uLgoKaG1tIGhtbS4uLiAgdGhlIGRlY2lzaW9uIHdvdWxk IGJlIGJhc2VkIHRoZW4gb24gd2hldGhlciBDTFogKGNvdW50IGxlYWRpbmcKemVyb3MpIGhhcyB1 c2VzICpvdXRzaWRlKiBvZiBhbiBBTFUsIGFuZCBteSBmZWVsaW5nIGlzLCBpdCBwcm9iYWJseSBk b2VzLgoKYWN0dWFsbHksIGp1c3QgbG9va2luZyBhdCBpdCwgaSByZWFsbHkgbGlrZSBpdCEgIGl0 IHJlbWluZHMgbWUgb2YgdGhlCnJlZmVyZW5jZSB0aGF0IEphY29iIHB1dC4uLiB3aGF0IHdhcyBp dC4uLiAiQ29tbW9uIFRhc2sgc29tZXRoaW5nIj8KCi0tIApZb3UgYXJlIHJlY2VpdmluZyB0aGlz IG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0aGUgQ0MgbGlzdCBmb3IgdGhlIGJ1Zy4KX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlicmUtcmlzY3YtZGV2 IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGlicmUtcmlzY3Yub3JnCmh0dHA6 Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5mby9saWJyZS1yaXNjdi1kZXYK