louisswarren

def fib_recursive(n, _mem={1: (1, 1), 2: (1, 1)}):
    if n not in _mem:
        a, x = fib_recursive(n - 2)
        b, y = fib_recursive(n - 1)
        _mem[n] = (a + b), (x + y + 1)
    return _mem[n]

for i in range(1, 101):
    f, n = fib_recursive(i)
    print(f"{i:>3}: {f:>21} ({n:>21} steps)")

louisswarren

CFLAGS = -Wall -Warray-bounds=2 -Wcast-align=strict -Wcast-qual -Wconversion -Wno-sign-conversion -Wdangling-else -Wdate-time -Wdouble-promotion -Wextra -Wfloat-conversion -Wformat-overflow=2 -Wformat-signedness -Wformat-truncation=2 -Wformat=2 -Winit-self -Wjump-misses-init -Wlogical-op -Wmissing-include-dirs -Wnested-externs -Wnull-dereference -Wpacked -Wpedantic -Wredundant-decls -Wshadow -Wshift-negative-value -Wshift-overflow=2 -Wstrict-aliasing -Wstrict-overflow=2 -Wstrict-prototypes -Wstringop-overflow=4 -Wstringop-truncation -Wswitch-default -Wswitch-enum -Wuninitialized -Wunsafe-loop-optimizations -Wunused -Wuse-after-free=3 -Wwrite-strings -fanalyzer -fmax-errors=2 -pedantic-errors

.PHONY: default
default: test

.PHONY: test
test: xods
	./$< < /dev/null | diff expected.log - | head -n40

xods.o: xods.c instructions.h

louisswarren

// Hello

louisswarren

--- units.asm	2023-06-18 12:02:32.313569952 +1200
+++ units_unsafe.asm	2023-06-18 12:02:32.313569952 +1200
@@ -1,7 +1,7 @@
-metres_from_feet(feet):
+metres_from_feet(double):
         divsd   xmm0, QWORD PTR .LC0[rip]
         ret
-feet_from_metres(metres):
+feet_from_metres(double):
         mulsd   xmm0, QWORD PTR .LC0[rip]

louisswarren

.PHONY: default
default: out.png

%.png: %.ppm
	convert $< $@

out.ppm: draw.py image.so
	python3 $< > $@

image.so: image.c

louisswarren

.PHONY: test
test: main
	./$<

main: main.o incl_hello.o incl_message.o
main.o: main.c include_file.h

incl_%.o: incl_%.txt
	@# If you always want to use includes as strings, you can check that
	@# they are null-terminated at compile-time:

louisswarren

#!/bin/sh
# Usage:
#     trim  FILE  START  END  FADE_IN  FADE_OUT
#           1     2      3    4        5
# Trim the file between START and END, with fade in and out, and
# 2 seconds of silence after

dur=`expr "${3%:*}" \* 60 + "${3#*:}" - "${2%:*}" \* 60 - "${2#*:}"`
fo=`expr "$dur" - $5`

louisswarren

#!/bin/sh
vet() {
	echo "Playing $1"
	mpv --no-audio-display "$1"
	read x
	if [ "$x" == "y" ]; then
		cp -v "$1" "$2/"
	else
		echo "Skipping $1"
	fi

louisswarren

#include <stdio.h>

static const char *closebuff[1024];
static const char tabs[] = "\t\t\t\t\t\t\t\t";

void
put(int *t, const char *msg)
{
	const char *indent = tabs + sizeof(tabs) - 1 - *t;
	printf("%s%s\n", indent < tabs ? tabs : indent, msg);

louisswarren

#include <stdio.h>
#include <stdint.h>

int
main(void)
{
	int c, d;
	while ((c = getchar()) != EOF) {
		d = c & 0x1f;
		if ((c | 0x20) > 0x60 && d < 26) {