Lumi Pakkanen frostburn
frostburn
/ quaternion_density_cloud.py
Created
September 9, 2018 13:37
Visualizing a quaternion density cloud
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| import numpy as np | |
| import quaternion | |
| import scipy.misc | |
| import multiprocessing | |
| t = 0 | |
| def project_cloud(seed): | |
| np.random.seed(seed) | |
| cloud = np.random.randn(1000000, 4) * 0.2 |
frostburn
/ square_adding.py
Created
September 23, 2020 09:16
Find numbers that have long "square adding" chain lenghts
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| from math import * | |
| import random | |
| __author__ = "Lumi Pakkanen" | |
| __licence__ = "Public domain" | |
| __version__ = "1.0.0" | |
| # See https://youtu.be/hGQdsibB2is for context. | |
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| from numpy import arange, linspace, where, maximum, sqrt, floor, clip, concatenate | |
| from matplotlib.pyplot import plot, legend, show | |
| import scipy.io.wavfile | |
| # --- Helpers --- | |
| def sqrt0(x): | |
| return sqrt(maximum(0, x)) | |
| def triangle(x): | |
| x = x - floor(x) |
frostburn
/ sw2-ast.js
Last active
December 3, 2023 09:30
Scale Workshop 2 grammar with error generating examples
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| // Generated by Peggy 3.0.2. | |
| // | |
| // https://peggyjs.org/ | |
| "use strict"; | |
| function PlainLiteral(value) { | |
| return { | |
| type: 'PlainLiteral', |
frostburn
/ tagged-vector-adder.pegjs
Created
December 3, 2023 18:49
Peggy proposition: Tagged template parser with auto-vectorization of template arguments
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| {{ | |
| function add(left, right) { | |
| if (typeof left === 'number') { | |
| if (typeof right === 'number') { | |
| return left + right; | |
| } else { | |
| return right.map(r => left + r); | |
| } | |
| } else { | |
| if (typeof right === 'number') { |
frostburn
/ verify-gs.ts
Created
February 7, 2024 08:21
Verify entries listed in https://en.xen.wiki/w/Generator_sequence
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| // commit f6fa7fcc809d2952d4cb3b991e0c6b8c6c559371 of https://github.com/xenharmonic-devs/sonic-weave | |
| import { | |
| Interval, | |
| evaluateExpression, | |
| hasConstantStructure, | |
| subtensions, | |
| } from '../src'; | |
| const obtained = [ |
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| === CS size 5 === | |
| 209 scales in total: 9, 243, 2187, 3^5/2, 3^2/3, 3^4/3, 3^3/4, 3^5/4, 3^3/5, 3^6/5, 3^7/6, 3^4/7, 3^5/7, 125, 15625, 5^1/2, 5^5/2, 5^7/2, 5^4/3, 5^5/3, 5^5/4, 5^7/4, 5^2/5, 5^4/5, 5^5/6, 5^3/7, 5^6/7, 36, 7776, 279936, 6^3/2, 6^7/2, 6^1/3, 6^7/3, 6^3/4, 6^2/5, 6^4/5, 6^6/5, 6^5/6, 6^7/6, 6^3/7, 6^5/7, 7, 16807, 117649, 7^5/2, 7^7/2, 7^1/3, 7^2/3, 7^3/4, 7^7/4, 7^2/5, 7^7/5, 7^2/7, 7^5/7, 9/4, 243/32, 2187/128, 3/2^3/2, 3/2^7/2, 3/2^1/3, 3/2^5/3, 3/2^1/4, 3/2^7/4, 3/2^1/5, 3/2^7/5, 3/2^1/6, 3/2^1/7, 3/2^2/7, 125/8, 15625/64, 5/2^3/2, 5/2^2/3, 5/2^7/3, 5/2^3/4, 5/2^4/5, 5/2^7/5, 5/2^5/6, 5/2^1/7, 5/2^5/7, 5/2^6/7, 7/2, 16807/32, 117649/64, 7/2^1/2, 7/2^5/3, 7/2^7/4, 7/2^3/5, 7/2^6/5, 7/2^7/6, 7/2^4/7, 16/9, 1024/243, 16384/2187, 4/3^5/2, 4/3^1/3, 4/3^7/3, 4/3^1/4, 4/3^1/5, 4/3^2/5, 4/3^1/6, 4/3^1/7, 4/3^2/7, 4/3^3/7, 625/81, 78125/2187, 5/3^3/2, 5/3^5/2, 5/3^4/3, 5/3^1/4, 5/3^5/4, 5/3^1/5, 5/3^6/5, 5/3^7/5, 5/3^1/6, 5/3^7/6, 5/3^1/7, 2401/81, 16807/243, 7/3^3/2, 7/3^5/2, 7/3^2/3, 7/3^5/3, 7/3^ |
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