From: bugzilla-daemon Date: Tue, 5 May 2020 14:53:32 +0000 (+0000) Subject: [libre-riscv-dev] [Bug 208] implement CORDIC in a general way sufficient to do transc... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=08c4a39fe91fb42f748f1ea9ee1fa640cff1d9c2;p=libre-riscv-dev.git [libre-riscv-dev] [Bug 208] implement CORDIC in a general way sufficient to do transcendentals --- diff --git a/00/7f4582dfd0cca4003894d09c5a687bd4135445 b/00/7f4582dfd0cca4003894d09c5a687bd4135445 new file mode 100644 index 0000000..eb5141e --- /dev/null +++ b/00/7f4582dfd0cca4003894d09c5a687bd4135445 @@ -0,0 +1,118 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Tue, 05 May 2020 15:53:34 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jVyww-00047f-D8; Tue, 05 May 2020 15:53:34 +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 1jVywt-00047P-TF + for libre-riscv-dev@lists.libre-riscv.org; Tue, 05 May 2020 15:53:31 +0100 +From: bugzilla-daemon@libre-soc.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Tue, 05 May 2020 14:53:32 +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 +bnQgIzQxIGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g +LS0tCihJbiByZXBseSB0byBNaWNoYWVsIE5vbGFuIGZyb20gY29tbWVudCAjMzgpCj4gKEluIHJl +cGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICMzNikKPiA+ +IAo+ID4gKGp1c3QgcnVubmluZyB0aGUgdGVzdHMsIHlvdSBmb3Jnb3QgdG8gY29tbWl0IGNvcmRp +Yy9yZW5vcm1hbGl6ZS5weS4KPiA+ICBmb3IgZnV0dXJlIHJlZmVyZW5jZSwgdXNlICJnaXQgc3Rh +dHVzIiBhbmQgeW91IHNob3VsZCBzcG90IG1pc3NpbmcKPiA+ICBmaWxlcywgZmFpcmx5IGVhc2ls +eS4gIHRoYXQncyBpZiB3ZSdyZSBwcm9wZXJseSBtYWludGFpbmluZyAiLmdpdGlnbm9yZSIpCj4g +Cj4gT29wcywgZml4ZWQhCgpiZWVuIHRoZXJlIDopCgo+ID4gaWYgaG93ZXZlciB3ZSBkbyBtYWNy +by1vcCBmdXNpb24sIHNwb3R0aW5nIHR3byAoY29tbW9ubHktdXNlZCkKPiA+IG9wZXJhdGlvbnMg +dG9nZXRoZXIsIHRoZSB0d28gcmVzdWx0cyAqd2lsbCogYmUgbmVlZGVkLgo+IAo+IEFoIG9rLCBz +byBtYXliZSBJIHNob3VsZCBhZGQgYW4gaW5wdXQgdGhhdCBzZWxlY3RzIG9uZSBvciB0aGUgb3Ro +ZXI/Cgp5ZXMuICBhbiAiT3AiLiAgdGhpcyBpcyB3aGF0IHRoZSAiT3AiIGZpZWxkIGlzIGZvci4u +LiBzZWUuLi4gYWhoLi4gMXNlYy4uLgpEaXZQaXBlQ29yZUNvbmZpZyBhbmQgRGl2UGlwZUNvcmVP +cGVyYXRpb24gKGV0Yy4pCgpodHRwczovL2dpdC5saWJyZS1zb2Mub3JnLz9wPWllZWU3NTRmcHUu +Z2l0O2E9YmxvYjtmPXNyYy9pZWVlNzU0L2Rpdl9yZW1fc3FydF9yc3FydC9jb3JlLnB5O2g9ZmVh +NTlkY2UwYzRmNzNkNjUyOTg1ZmFhODE4MWQ1YWY5N2Q1ODc3YztoYj1kZDM5MTlhMGRmOGUxMTkw +ZjJmZTk4NWIwNDQ4NzAxZjE2NGIzOTJhI2w1NAoKd2hpY2ggaXMgc2V0IHVwIGFzIHRoZSAiY29u +dGV4dCIgKGN0eCkgaGVyZToKaHR0cHM6Ly9naXQubGlicmUtc29jLm9yZy8/cD1pZWVlNzU0ZnB1 +LmdpdDthPWJsb2I7Zj1zcmMvaWVlZTc1NC9kaXZfcmVtX3NxcnRfcnNxcnQvZGl2X3BpcGUucHk7 +aD1kN2I4MTcyOTQ5OWI1ZDc2M2ViMWQxNTBiMDMxZGNlZWVmZWNiZGE5O2hiPWRkMzkxOWEwZGY4 +ZTExOTBmMmZlOTg1YjA0NDg3MDFmMTY0YjM5MmEjbDQyCgphbmQgaXQgaXMgb2YgdHlwZSAiRlBQ +aXBlQ29udGV4dCIsIGRlY2xhcmVkIGhlcmU6Cmh0dHBzOi8vZ2l0LmxpYnJlLXNvYy5vcmcvP3A9 +aWVlZTc1NGZwdS5naXQ7YT1ibG9iO2Y9c3JjL2llZWU3NTQvZnBjb21tb24vZ2V0b3AucHk7aD0x +MTdkMjkyMjNkMjNhYjgxNzYzODJlNzZiMmRkMTI5MzgyNzM1NzIxO2hiPWRkMzkxOWEwZGY4ZTEx +OTBmMmZlOTg1YjA0NDg3MDFmMTY0YjM5MmEjbDY1CgphbmQgaWYgeW91IGxvb2sgYXQgbGluZXMg +NjMgYW5kIDY1IHlvdSBjYW4gc2VlIHRoYXQgeW91IGNhbiBFSVRIRVI6CgoqIHNwZWNpZnkganVz +dCBhIGJpdHdpZHRoIChpbiB3aGljaCBjYXNlIHlvdSBnZXQgYSBzaWduYWwgYW5kIGl0J3MKICB5 +b3VyIHJlc3BvbnNpYmlsaXR5IHRvIG1hbmFnZSBjb252ZXJzaW9uIGZyb20gdGhlICJvcCIgaW50 +byB0aGF0IFNpZ25hbCkKCk9SCgoqIHNwZWNpZnkgYW4gKmFjdHVhbCBjbGFzcyogYXMgYSBwYXJh +bWV0ZXIgdG8gRlBQaXBlQ29udGV4dCwgYW5kIGFuIGluc3RhbmNlCiAgKm9mKiB0aGF0IGNsYXNz +IHdpbGwgYmUgaW5zdGFudGlhdGVkIG9uIHlvdXIgYmVoYWxmLgoKaXQncyBhY3R1YWxseSByZWFs +bHkgaW1wb3J0YW50IHRvIGNvbmZvcm0gdG8gdGhpcyBBUEkgYmVjYXVzZSBpdCdzIHdoZXJlCnRo +ZSAiY2FuY2VsbGF0aW9uIiwgaWRlbnRpZmllciBpbmZvcm1hdGlvbiBldGMuIGNyaXRpY2FsbHkg +bmVjZXNzYXJ5IGZvcgp0aGUgdXNlIG9mIHRoZSBwaXBlbGluZSBpbiB0aGUgc2NvcmVib2FyZCBz +eXN0ZW0gaXMgYWxsIHBsYWNlZC4KCgoKPiAoa2luZGEKPiBzdWNrcyB0aGF0IHdlIG5lZWQgdG8g +Y2FsY3VsYXRlIGJvdGggZm9yIHRoZSBjb3JkaWMgdG8gd29yaywgb2ggd2VsbCkKCjopCgpkaXZp +ZGUgaXMgdGhlIHNhbWUuICBpdCBwcm9kdWNlcyB0d28gcmVzdWx0czogRElWIGFuZCBSRU0uCgpm +YXNjaW5hdGluZ2x5IENPUkRJQyBhbmQgRElWIChhbmQgU1FSVCBhbmQgUlNRUlQpIGFsbCB1c2Ug +dGhlIHNhbWUKY29yZSBjb25jZXB0IC8gYWxnb3JpdGhtLCBzbyBpdCBpcyBubyBzdXJwcmlzZSB0 +aGF0IHRoZXJlIGFyZSB0d28gcmVzdWx0cy4KCgo+IChJbiByZXBseSB0byBMdWtlIEtlbm5ldGgg +Q2Fzc29uIExlaWdodG9uIGZyb20gY29tbWVudCAjMzcpCj4gPiBhaCBleGNlbGxlbnQhICB5b3Ug +ZGlkIGEgRlNNLWJhc2VkIHZlcnNpb24gYXMgd2VsbCwgdGhhdCdzIHN1cGVyYi4KPiA+IGlmIHRo +ZSBwaXBlbGluZWQgdmVyc2lvbiB0dXJucyBvdXQgdG8gYmUgaW5zYW5lbHkgZ2F0ZS1odW5ncnks +IG9yCj4gPiBqdXN0IG5vdCB0aGF0IGltcG9ydGFudCwgd2UgY2FuIHVzZSBpdC4KPiAKPiBVbmZv +cnR1bmF0ZWx5LCB0aGF0IG9uZSBpc24ndCBhcyBjb21wbGV0ZSBhcyB0aGUgcGlwZWxpbmVkIG9u +ZS4gSXQgZG9lc24ndAo+IGhhbmRsZSBkZW5vcm1hbHMgb3IgMCB3ZWxsIGJlY2F1c2UgSSBoYWQg +dG8gcm9sbCBteSBvd24gZGVub3JtYWxpemF0aW9uCj4gc3RhZ2UgaW5zdGVhZCBvZiB1c2luZyB0 +aGUgZXhpc3Rpbmcgb25lIGZyb20gdGhlIG11bHRpcGxpZXIuIEFuZCBpdCBkb2Vzbid0Cj4gKHll +dCkgc3VwcG9ydCBjb252ZXJzaW9uIGJhY2sgaW50byBmbG9hdGluZyBwb2ludCBhdCB0aGUgZW5k +LiAKCm9rIG5vdCBhIHByb2JsZW0uICBpdCBnb3QgeW91IGJvb3RzdHJhcHBlZCB0byB3aGVyZSB5 +b3UgbmVlZGVkIHRvIGdvLgpsZXQncyBsZWF2ZSBpdCBmb3Igbm93LCBidXQgZG8gZG9jdW1lbnQg +dGhhdCAoYnJpZWZseSkuCgo+ID4gCj4gPiBhbHNvIGFzIGEgImdlbmVyYWwtcHVycG9zZSBsaWJy +YXJ5IiBpdCdzIGV4dHJlbWVseSB1c2VmdWwgdG8gaGF2ZQo+ID4gYmVjYXVzZSBvdGhlciBkZXZl +bG9wZXJzIG1pZ2h0IG5vdCB3YW50IGEgZnVsbCBwaXBlbGluZSB2ZXJzaW9uLgo+IAo+IE1ha2Vz +IHNlbnNlLgoKY2FuIHlvdSBkbyB0aGF0IG1vdmU/ICB0aGUgdW5pdCB0ZXN0IGFzIHdlbGwuCgot +LSAKWW91IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1c2U6CllvdSBhcmUgb24gdGhlIEND +IGxpc3QgZm9yIHRoZSBidWcuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f +X19fX19fX19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxpc3QKbGlicmUtcmlzY3YtZGV2QGxp +c3RzLmxpYnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGlicmUtcmlzY3Yub3JnL21haWxtYW4v +bGlzdGluZm8vbGlicmUtcmlzY3YtZGV2Cg== +