From 19b0d66d7db8c06b1bfd0f1dd6502fc684bfc8c6 Mon Sep 17 00:00:00 2001 From: bugzilla-daemon Date: Tue, 5 May 2020 15:10:21 +0000 Subject: [PATCH] [libre-riscv-dev] [Bug 208] implement CORDIC in a general way sufficient to do transcendentals --- 1d/7d3a8300143246c1ad103ac04f6416aad452f4 | 106 ++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 1d/7d3a8300143246c1ad103ac04f6416aad452f4 diff --git a/1d/7d3a8300143246c1ad103ac04f6416aad452f4 b/1d/7d3a8300143246c1ad103ac04f6416aad452f4 new file mode 100644 index 0000000..3a08c76 --- /dev/null +++ b/1d/7d3a8300143246c1ad103ac04f6416aad452f4 @@ -0,0 +1,106 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Tue, 05 May 2020 16:10:23 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jVzDC-0004pg-VX; Tue, 05 May 2020 16:10:22 +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 1jVzDA-0004pR-N5 + for libre-riscv-dev@lists.libre-riscv.org; Tue, 05 May 2020 16:10:20 +0100 +From: bugzilla-daemon@libre-soc.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Tue, 05 May 2020 15:10:21 +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 +bnQgIzQ2IGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g +LS0tCihJbiByZXBseSB0byBNaWNoYWVsIE5vbGFuIGZyb20gY29tbWVudCAjNDMpCj4gKEluIHJl +cGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICM0MSkKPiA+ +IAo+ID4geWVzLiAgYW4gIk9wIi4gIHRoaXMgaXMgd2hhdCB0aGUgIk9wIiBmaWVsZCBpcyBmb3Iu +Li4gc2VlLi4uIGFoaC4uIDFzZWMuLi4KPiA+IERpdlBpcGVDb3JlQ29uZmlnIGFuZCBEaXZQaXBl +Q29yZU9wZXJhdGlvbiAoZXRjLikKPiA+IAo+IE9rIAo+ID4gCj4gPiBpdCdzIGFjdHVhbGx5IHJl +YWxseSBpbXBvcnRhbnQgdG8gY29uZm9ybSB0byB0aGlzIEFQSSBiZWNhdXNlIGl0J3Mgd2hlcmUK +PiA+IHRoZSAiY2FuY2VsbGF0aW9uIiwgaWRlbnRpZmllciBpbmZvcm1hdGlvbiBldGMuIGNyaXRp +Y2FsbHkgbmVjZXNzYXJ5IGZvcgo+ID4gdGhlIHVzZSBvZiB0aGUgcGlwZWxpbmUgaW4gdGhlIHNj +b3JlYm9hcmQgc3lzdGVtIGlzIGFsbCBwbGFjZWQuCj4gCj4gT2ggaG9sZCBvbiwgSSB0aG91Z2h0 +IHRoYXQgY2FuY2VsbGF0aW9uIGJpdCB3YXMgZm9yIHRoZSBwaXBlbGluZSB0byBwcm9kdWNlCj4g +YSByZXN1bHQgZWFybHkuIFNpbmNlIHRoZSBjb3JkaWMgZG9lc24ndCBkbyB0aGF0LCBJIGxlZnQg +aXQgb3V0LiBJdCBzb3VuZHMKPiBsaWtlIEkgbmVlZCB0byBhZGQgdGhhdCBiYWNrIGluIGh1aD8K +Cnl5dXAgOikKCmFsbCBvcGVyYXRpb25zIG5lZWQgdG8gYmUgImNhbmNlbGxhYmxlIiBieSB3YXkg +b2YgYSBnbG9iYWxseS1icm9hZGNhc3QKbWFzaywgZXF1YWwgaW4gd2lkdGggdG8gdGhlIG51bWJl +ciBvZiBDb25jdXJyZW50IENvbXB1dGF0aW9uIFVuaXQgImZyb250LWVuZHMiLgpzZWUgaHR0cHM6 +Ly9saWJyZS1zb2Mub3JnLzNkX2dwdS9hcmNoaXRlY3R1cmUvNjYwMHNjb3JlYm9hcmQvCgoiQ29u +Y3VycmVudCBDb21wdXRhdGlvbiBVbml0IiBkaWFncmFtICh3aGljaCBpcyBmcm9tIE1pdGNoJ3Mg +U2NvcmVib2FyZApNZWNoYW5pY3MsIDJuZCBjaGFwdGVyKS4KCnNvIHRoZXJlIHdpbGwgYmUuLi4g +aG93IG1hbnkgRlAgc3RhZ2VzPyA4PyBlZWshICAxMiEgOikgc28gd2Ugd2lsbCBuZWVkCipUV0VM +VkUqIEZ1bmN0aW9uIFVuaXQgZnJvbnQtZW5kcywgb25lIHRvIG1hbmFnZSBhbmQgdHJhY2sgZXZl +cnkgc2luZ2xlCnJlc3VsdCwgYW5kICJyZS1tYXRjaCIgdGhhdCByZXN1bHQgKkJBQ0sqIHRvIHRo +ZSBGVSB3aGVuIGl0IHBvcHMgb3V0LgoKbm93LCB3ZSBfY291bGRfIG5vdCBoYXZlIGNhbmNlbGxh +dGlvbi4gIHdlIGNvdWxkIGluc3RlYWQgZG8gdGhpczoKCiogbGV0IHRoZSByZXN1bHQgY29tZSBv +dXQgYW5kIHdoZW4gaXQgYXJyaXZlcywgdGhyb3cgaXQgYXdheS4KCiAgdGhpcyBtZWFucyB3ZSBo +YXZlIGEgRnVuY3Rpb24gVW5pdCBjb21wbGV0ZWx5IHdhc3RlZCwgYmxvY2tlZCBhbmQKICB1bnVz +YWJsZSBmb3IgdXAgdG8gMTIgY3ljbGVzCgoqIGNyZWF0ZSBhIGNvbXBsZXggIklEIiBzeXN0ZW0g +KGF0IGxlYXN0IGRvdWJsZSB0aGUgbnVtYmVyIG9mIEZVIGZyb250ZW5kcykKCiAgbm90IGEgYmln +IGZhbiBvZiB0aGlzIG1ldGhvZC4gIGEgY291bnRlciB3cmFwcyBhcm91bmQsIHRoZSBJRCBhc3Nv +Y2lhdGVkCiAgd2l0aCAibmV3IiByZXF1ZXN0cywgYW5kIGlzIGNsZWFyZWQgdG8gemVybyBpZiB0 +aGUgcmVzdWx0IGlzIG5vdCB0bwogIGJlIHB1dCBpbnRvIHRoZSByZXN1bHQgRlUgYnVmZmVyLgoK +CnRoZSBzaW1wbGVyIHdheSBpczogaGF2ZSBhbiB1bmFyeSAiYnJvYWRjYXN0IiBtYXNrIHRoYXQg +Z29lcyByaWdodCB0aGUKd2F5IHRocm91Z2ggdGhlIHdob2xlIHBpcGVsaW5lIChvbmUgYml0IHBl +ciAiRlUiKSBhbmQgd2UganVzdC4uLiBzaW1wbHkuLi4KcHVsbCB0aGF0IGJpdC4KCnJlc3VsdCBk +aWVzLgoKRnVuY3Rpb25Vbml0IGNhbiByZXN0LgoKam9iIGRvbmUuCgoKc28geWVzLCB5b3UnbGwg +bmVlZCB0byBwdXQgdGhhdCBiYWNrIGluLiAgYnkgY29uZm9ybWluZyB0byB0aGUgQVBJLAp5b3Ug +c2hvdWxkICpOT1QqIGhhdmUgdG8gd29ycnkgYWJvdXQgd2hldGhlciB0aGUgZGF0YSBpcyBjYW5j +ZWxsZWQgb3IKbm90LCBiZWNhdXNlIHRoZSAiTWFza0NhbmNlbGxhYmxlIiBQaXBlbGluZSBNaXgt +SW4gY2xhc3MgdGFrZXMgY2FyZQpvZiB0aGF0ICphdXRvbWF0aWNhbGx5Ki4KCmJ1dC4KCmlmIEZQ +UGlwZUNvbnRleHQgaXMgKm5vdCB1c2VkKi4uLiB0aGF0IGlzICpub3QgcG9zc2libGUgdG8gZG8q +LgoKCj4gCj4gPiAKPiA+IGNhbiB5b3UgZG8gdGhhdCBtb3ZlPyAgdGhlIHVuaXQgdGVzdCBhcyB3 +ZWxsLgo+IAo+IFNvcnJ5LCB5b3UgbWVudGlvbmVkIG5tdXRpbCBhbmQgbmV2ZXIgc2FpZCB3aGlj +aCBwbGFjZSB5b3UgdGhvdWdodCBpdCBzaG91bGQKPiBnby4gbm11dGlsIG9yIGZwY29tbW9uPwoK +b2ggc29ycnkuICBubXV0aWwuCgotLSAKWW91IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1 +c2U6CllvdSBhcmUgb24gdGhlIENDIGxpc3QgZm9yIHRoZSBidWcuCl9fX19fX19fX19fX19fX19f +X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxp +c3QKbGlicmUtcmlzY3YtZGV2QGxpc3RzLmxpYnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGli +cmUtcmlzY3Yub3JnL21haWxtYW4vbGlzdGluZm8vbGlicmUtcmlzY3YtZGV2Cg== + -- 2.30.2