The source files below should be arranged as:
./main.go
./sqrt/sqrt.s
./sqrt/sqrt.go
To run:
#!/usr/bin/env bash | |
# | |
# This program generates a header file that is needed to figure out number of | |
# bits in different integer types. | |
# | |
header_file=$1 | |
binary=`mktemp` | |
header_base=`basename "${header_file}"` |
#ifndef ABS | |
#ifdef __GNUC__ | |
#define ABS(x) __extension__({ \ | |
__builtin_choose_expr( \ | |
__builtin_types_compatible_p(__typeof__(x), long int), \ | |
__builtin_labs(x), \ | |
__builtin_choose_expr( \ | |
__builtin_types_compatible_p(__typeof__(x), int), \ | |
__builtin_abs(x), \ |
The source files below should be arranged as:
./main.go
./sqrt/sqrt.s
./sqrt/sqrt.go
To run:
/* I always wondered how variable length arguments worked in C. | |
* So, I just ended up implementing it in x86. | |
* NOTE: THIS CODE BELOW ONLY WORKS IN x86, AND NOT TESTED IN ANY OTHER ARCHITECTURE. | |
* | |
* To compile: | |
* gcc -Wall -o prog vargs.c && ./prog | |
* >> Testing: Hello world 10 -100 | |
*/ | |
/* |
#include <stddef.h> | |
#include <assert.h> | |
#include <immintrin.h> | |
static void v_f32_to_s1x15i(int16_t *dst, const float *src, size_t len) | |
{ | |
const __m128 minval = _mm_set1_ps(-1.0F); | |
const __m128 maxval = _mm_set1_ps(+0x7fffff8p-27F); | |
const __m128 scale = _mm_set1_ps(32768.0F); |
#include <stddef.h> | |
#include <xmmintrin.h> | |
void biquad_proc_x4(const float *coeff, | |
float *state, | |
float *io, | |
size_t len) | |
{ | |
// Set up pointers | |
const __m128 *vcoeff = (__m128 *) __builtin_assume_aligned(coeff, 16); |
__module_name__ = "Hexchat L33T" | |
__module_version__ = "1.0" | |
__module_description__ = "Do you speak l33t? No? Well, now you can with /l33t" | |
__author__ = "ashafq" | |
import hexchat | |
import random | |
def l33t_enc(string): |
#![feature(asm)] | |
fn rdtsc() -> u64 { | |
let eax: u32; | |
let edx: u32; | |
unsafe { | |
asm!("rdtsc; ": /* Assembly */ | |
"={eax}"(eax), "={edx}"(edx) : /* Output registers */ | |
: /* Input registers */ |
/* | |
* This work is released under the Creative Commons CC0 1.0 Universal License. | |
* | |
* Must compile with GCC for x86_64 target: | |
* gcc -fno-pie -fno-stack-protector -o hello hello.c && ./hello | |
* | |
* Last tested: 2023-10-27, on gcc-13.2 | |
* https://godbolt.org/z/o8o97Pjca | |
*/ |
#!/usr/bin/env python2 | |
"""Display a rainbow color gradiant""" | |
from __future__ import print_function | |
from collections import namedtuple | |
__activity_ctx = 0.0 | |
Color = namedtuple("Color", ["red", "green", "blue"]) | |
def rainbow(seed=0, frequency=0.01): | |
"""Return a color""" |