From 864d1be936556ea85cb937493adc50f5327f2b8b Mon Sep 17 00:00:00 2001 From: bugzilla-daemon Date: Tue, 5 May 2020 14:04:06 +0000 Subject: [PATCH] [libre-riscv-dev] [Bug 208] implement CORDIC in a general way sufficient to do transcendentals --- 3e/671394f15ed1b54fb0cbd59a263fd0fbbe6910 | 99 +++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 3e/671394f15ed1b54fb0cbd59a263fd0fbbe6910 diff --git a/3e/671394f15ed1b54fb0cbd59a263fd0fbbe6910 b/3e/671394f15ed1b54fb0cbd59a263fd0fbbe6910 new file mode 100644 index 0000000..fed38f5 --- /dev/null +++ b/3e/671394f15ed1b54fb0cbd59a263fd0fbbe6910 @@ -0,0 +1,99 @@ +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 + -- 2.30.2