From 1da0d19a9ba85f5c71c655e1a3750510739b62ec Mon Sep 17 00:00:00 2001 From: lkcl Date: Tue, 6 Aug 2019 13:48:58 +0100 Subject: [PATCH] --- ztrans_proposal.mdwn | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/ztrans_proposal.mdwn b/ztrans_proposal.mdwn index 8a34f8154..8399753fb 100644 --- a/ztrans_proposal.mdwn +++ b/ztrans_proposal.mdwn @@ -8,16 +8,16 @@ See: Extension subsets: -* **Ztrans**: standard transcendentals (best suited to 3D) -* **ZtransExt**: extra functions (useful, not generally needed for 3D, can be synthesised using Ztrans) +* **Zftrans**: standard transcendentals (best suited to 3D) +* **ZftransExt**: extra functions (useful, not generally needed for 3D, can be synthesised using Ztrans) * **Ztrigpi**: trig. xxx-pi sinpi cospi tanpi * **Ztrignpi**: trig non-xxx-pi sin cos tan * **Zarctrigpi**: arc-trig. a-xxx-pi: atan2pi asinpi acospi * **Zarctrignpi**: arc-trig. non-a-xxx-pi: atan2, asin, acos * **Ztrignh**: trig/arc-trig hyperbolic. sinh cosh tanh, asinh, acosh, atanh -* **ZtransAdv**: much more complex to implement in hardware +* **ZftransAdv**: much more complex to implement in hardware -Minimum recommended requirements for 3D: Ztrans, Ztrigpi, Zarctrigpi, +Minimum recommended requirements for 3D: Zftrans, Ztrigpi, Zarctrigpi, Zarctrignpi [[!toc levels=2]] @@ -28,23 +28,23 @@ Zarctrignpi opcode | Description | pseudo-code | Extension | FATAN2 | atan2 arc tangent | rd = atan2(rs2, rs1) | Zarctrignpi | FATAN2PI | atan arc tangent / pi | rd = atan2(rs2, rs1) / pi | Zarctrigpi | -FPOW | x power of y | rd = pow(rs1, rs2) | ZtransAdv | -FROOT | x power 1/y | rd = pow(rs1, 1/rs2) | ZtransAdv | +FPOW | x power of y | rd = pow(rs1, rs2) | ZftransAdv | +FROOT | x power 1/y | rd = pow(rs1, 1/rs2) | ZftransAdv | """]] # List of 1-arg transcendental opcodes [[!table data=""" opcode | Description | pseudo-code | Extension | -FCBRT | Cube Root | rd = pow(rs1, 3) | Ztrans | -FEXP2 | power-of-2 | rd = pow(2, rs1) | Ztrans | -FLOG2 | log2 | rd = log2(rs1) | Ztrans | -FEXPM1 | exponent minus 1 | rd = pow(e, rs1) - 1.0 | Ztrans | -FLOG1P | log plus 1 | rd = log(e, 1 + rs1) | Ztrans | -FEXP | exponent | rd = pow(e, rs1) | ZtransExt | -FLOG | natural log (base e) | rd = log(e, rs1) | ZtransExt | -FEXP10 | power-of-10 | rd = pow(10, rs1) | ZtransExt | -FLOG10 | log base 10 | rd = log10(rs1) | ZtransExt | +FCBRT | Cube Root | rd = pow(rs1, 3) | Zftrans | +FEXP2 | power-of-2 | rd = pow(2, rs1) | Zftrans | +FLOG2 | log2 | rd = log2(rs1) | Zftrans | +FEXPM1 | exponent minus 1 | rd = pow(e, rs1) - 1.0 | Zftrans | +FLOG1P | log plus 1 | rd = log(e, 1 + rs1) | Zftrans | +FEXP | exponent | rd = pow(e, rs1) | ZftransExt | +FLOG | natural log (base e) | rd = log(e, rs1) | ZftransExt | +FEXP10 | power-of-10 | rd = pow(10, rs1) | ZftransExt | +FLOG10 | log base 10 | rd = log10(rs1) | ZftransExt | """]] # List of 1-arg trigonometric opcodes -- 2.30.2