Landon Curt Noll
4ee4c731f7
While not strictly necessary, replacing the two ASCII tab characters in the markdown copyright comment makes it easier to detect problematic TAB indentation within markdown files. After this commit, only 90 markdown files have leading ASCII TAB characters. And again, while not strictly necessary, we can consider running expand on those 90 markdown files to see what effect that might have on the HTML files they produce. Replace leading ASCII TAB characters with multiples of 8 ASCII SPACE characters (the default action of the `expand(1)` tool) might have an negative effect on some HTML formatting where **hack-a-round** formatting was attempted to fix broken indentation caused by problematic ASCII TAB characters. Think of this as a baseline for evaluating leading TAB characters within markdown files. TODO: Consider either using `expand(1)` to replace leading ASCII TAB characters with multiples of 8 ASCII SPACE characters AND/OR modifying the appropriate `bin` tool to convert leading ASCII TAB characters into multiples of 8 ASCII SPACE characters.
76 lines
1.5 KiB
Markdown
76 lines
1.5 KiB
Markdown
## To build:
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``` <!---sh-->
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make
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```
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## To use:
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``` <!---sh-->
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./hoyle point ...
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```
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## Try:
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``` <!---sh-->
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./try.sh
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```
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## Judges' remarks:
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The obfuscation functions at several levels. Note the clever
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use of use of `#define`s. The `#define do(if,else)`, for example,
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is delightful. The code itself contains a bunch of curves
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designed to throw you off axis. :-)
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## Author's remarks:
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This application graphs polynomials on a standard Cartesian coordinate system.
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Polynomials of the form `ax^0 + bx^1 + cx^2 + ...` are graphed by passing the
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coefficients `a`, `b`, `c`, etc. as double precision arguments. It allows up to
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8 parameters (thus up to `x^7`).
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### Points of interest:
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- the [x axis](https://mathworld.wolfram.com/x-Axis.html) goes from `-32` to
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`+31`.
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- the [y axis](https://mathworld.wolfram.com/y-Axis.html) auto scales!
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- up to 8 [coefficients](https://en.wikipedia.org/wiki/Coefficient) may be
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passed in.
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- the graph will determine direction and use slashes and
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dashes rather than a simple block of `X`s.
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For example, to graph `y = x^2`:
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``` <!---sh-->
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./hoyle 0 0 1
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```
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Note that:
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``` <!---sh-->
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./hoyle 0 0 2
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```
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will produce the same graph, since the `y-axis` is auto scaling.
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<!--
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Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
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You are free to share and adapt this file under the terms of this license:
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Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
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For more information, see:
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https://creativecommons.org/licenses/by-sa/4.0/
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-->
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