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Peter Jakobs pjako

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@rygorous
rygorous / gist:2156668
Last active June 7, 2024 08:21
float->half variants
// float->half variants.
// by Fabian "ryg" Giesen.
//
// I hereby place this code in the public domain, as per the terms of the
// CC0 license:
//
// https://creativecommons.org/publicdomain/zero/1.0/
//
// float_to_half_full: This is basically the ISPC stdlib code, except
// I preserve the sign of NaNs (any good reason not to?)
@toji
toji / triangle-collision.js
Created May 27, 2012 05:37
Javascript Swept-Sphere/Triangle Collision Detection
/*
* Copyright (c) 2012 Brandon Jones
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
@edbartley
edbartley / intToStr.cpp
Created October 4, 2012 15:21
C++ functions to convert an int to a C string and back again
char* intToStr(int value)
{
int divisor = 1;
int bufferLength = 1;
int isNegative = 0;
int bufferIndex = 0;
// Handle the negative value case by remebering that the number is negative
// and then setting it positive
if(value < 0)
@xeoncross
xeoncross / ajax.js
Last active August 3, 2023 06:06
Simple, cross-browser Javascript POST/GET xhr request object. Supports request data and proper AJAX headers.
/**
* IE 5.5+, Firefox, Opera, Chrome, Safari XHR object
*
* @param string url
* @param object callback
* @param mixed data
* @param null x
*/
function ajax(url, callback, data, x) {
try {
@hi2p-perim
hi2p-perim / ssecheck.cpp
Last active June 16, 2024 06:55
Check SSE/AVX instruction support.
/*
Check SSE/AVX support.
This application can detect the instruction support of
SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4a, SSE5, and AVX.
*/
#include <iostream>
#ifdef _MSC_VER
#include <intrin.h>
#endif
@thesnarky1
thesnarky1 / arabic_characterization.html
Created April 6, 2014 22:09
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JS Bin</title>
</head>
<body>
</body>
</html>
@detomon
detomon / intrinsic.md
Last active March 6, 2024 17:57
SSE Intrinsic Cheat Sheet (SSE3)

SSE Intrinsic Cheat Sheet (SSE3)

Load and Store

__m128 _mm_load_ps (float * a)
{
@mrdoob
mrdoob / html2canvas.js
Created March 21, 2016 23:05
/**
* @author mrdoob / http://mrdoob.com/
*/
function html2canvas( element ) {
var range = document.createRange();
function getRect( rect ) {
@vurtun
vurtun / fibers.c
Last active May 27, 2024 16:42
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <string.h>
#define streq(a, b) (!strcmp((a), (b)))
#ifndef __USE_GNU
#define __USE_GNU
@rygorous
rygorous / hb_stb_truetype.c
Last active October 31, 2023 00:45
HarfBuzz->stb_truetype
// ---- loading a font
static void load_font(void)
{
hb_blob_t *blob;
hb_face_t *face;
size_t filelen = 0;
void *filedata = stb_file("c:/windows/fonts/arial.ttf", &filelen);
if (filedata == 0) stbpg_fatal("Couldn't load font");