AJ Friend ajfriend

ajfriend / cache_work.c

Created November 28, 2025 04:19

Failed attempt to speed up the LatLng loop area calculation

	typedef struct {
	double s;
	double c;
	double lng;
	} LatLngPre;

	static inline LatLngPre precompute_latlng(LatLng x) {
	double lat = x.lat / 2.0 + M_PI / 4.0;

	LatLngPre llp = {.s = sin(lat), .c = cos(lat), .lng = x.lng};

ajfriend / justfile

Created September 8, 2025 04:40

Justfile for https://github.com/uber/h3/pull/1042

	# Justfile for https://github.com/uber/h3/pull/1042

	_default:
	@just --list

	purge:
	rm -rf build

	build:
	-mkdir build

ajfriend / plot_single_hex.py

Created March 19, 2025 03:43

	import h3
	import geopandas
	import pandas as pd
	import matplotlib.pyplot as plt
	import contextily as cx


	h = '8c196938064c5ff'

	# convert to h3.LatLngPoly, which is compatible with

ajfriend / bat_justfile.md

Last active March 1, 2025 03:45

How to get bat to highlight your justfiles.

In the form of a justfile rule:

mkdir -p "$(bat --config-dir)/syntaxes"
cd "$(bat --config-dir)/syntaxes"
git clone https://github.com/nk9/just_sublime.git

ajfriend / containment.ipynb

Created October 27, 2024 21:57

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