imaami

#!/usr/bin/env bash

vsplit() {
	local k="$1" r
	while [[ "$k" != "$r" ]]; do
		echo "$k"; r="$k"
		k="${k%?${k##*[0-9][.+-]}}"
	done
}

imaami

/* SPDX-License-Identifier: LGPL-3.0-or-later */
/**
 * @file dbs26.c
 * @brief Generate all 67108864 unique binary De Bruijn sequences
 *        with subsequence length 6, ordered by value.
 *
 * Compiling with MSVC on Windows:
 *  cl /TC /std:clatest /experimental:c11atomics /O2 /Oi /GL /GF /Zo- /favor:AMD64 /arch:AVX2 dbs26.c /Fe: dbs26.exe /MT
 *
 * @author Juuso Alasuutari

imaami

wheeze.py

wheeze.py is a tool to help generate lyrics for music, but in a music-first way. It can be thought of as the reverse of the typical LLM-assisted approach.

^{(The first two letters come from OpenAI's whisper. I haven't invented a post-hoc rationale for the rest of the name yet.)}

imaami

static uint64_t
b24_expand (uint16_t seq)
{
	#define seq_prep(x) 0, (uint32_t)((x) << 12U | \
	                       (x) >> 4U) << 16U | (x)
	__m128i k = _mm_shuffle_epi8(
		_mm_set_epi64x(seq_prep(seq)),
		_mm_set_epi64x(UINT64_C(0x0303030301010101), \
		               UINT64_C(0x0202020200000000)));
	#undef seq_prep

imaami

#include <errno.h>
#include <inttypes.h>
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef __aarch64__
#include <arm_neon.h>

imaami

/** @file popcnt.h
 */
#ifndef POPCNT_H_
#define POPCNT_H_

#include <limits.h>
#include <stdint.h>

#undef define_popcnt
#undef popcnt16_impl

imaami

#include <stdio.h>
#include <math.h>

int main(void)
        {
  typeof(sizeof M_E)
  t=pow (       M_E,
((typeof(sizeof M_E))01 << ' ')
/(typeof(       M_E))0xf0f04ef)
/               M_PI;

imaami

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_FIZZBUZZ_LENGTH 8
#define MAX_NUMBER_LENGTH   10

typedef struct {
	int (*evaluate)(int);
	char *(*transform)(void);

imaami

/**
 * @file b24.c
 *
 * Compiling with MSVC 19.41 or later:
 *
 *   cl.exe /TC /std:clatest /O2 /Oi /GL /GF /Zo- /favor:AMD64 /arch:AVX2 b24.c /Fe: b24.exe /MD
 */
#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>

imaami

.PHONY: default gnu23 gnu23.mk
default:| gnu23; $(info $(CC) -std=$(gnu23))
gnu23:| gnu23.mk; $(eval include gnu23.mk)
gnu23.mk: gnu23.h; @$(CC) -E -xc -P $< >$@
gnu23.h: $(lastword $(MAKEFILE_LIST)); $(call cstd,$@) @:
override cstd =$(file >$1,$(.cstd))
override .cstd              =$(call \
P,#ifdef __clang_major__)    $(call \
L,#if __clang_major__ > 17)  $(call \
L,override gnu23 := gnu23)   $(call \