(tables.c) Renamed to circle128.c

etc/circle128/build.sh

@@ -0,0 +1,7 @@
+#!/bin/sh -e
+
+clang-format -i circle128.c
+rm -f circle128
+cc -lm circle128 -o circle128.c
+circle128 128
+

etc/circle128/circle128.c

@@ -1,8 +1,8 @@
 #include <stdio.h>
 #include <math.h>
 
-/* 
-Copyright (c) 2020 Devine Lu Linvega
+/*
+Copyright (c) 2020-2023 Devine Lu Linvega
 
 Permission to use, copy, modify, and distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
@@ -23,10 +23,30 @@ clamp(int val, int min, int max)
 }
 
 int
-main()
+cinu(char c)
 {
-	int seg = 1024, offset = seg / 4, i;
-	double segf = 1024.0;
+	return c >= '0' && c <= '9';
+}
+
+int
+sint(char *s)
+{
+	int i = 0, num = 0;
+	while(s[i] && cinu(s[i]))
+		num = num * 10 + (s[i++] - '0');
+	return num;
+}
+
+int
+main(int argc, char *argv[])
+{
+	int seg = 12, offset = seg / 4, i;
+	double segf = (double)seg;
+	if(argc < 2) {
+		printf("usage: circle128 length\n", argc);
+		return 1;
+	}
+	seg = sint(argv[1]);
 	printf("%d points on a circle128:\n\n", seg);
 	for(i = 0; i < seg; ++i) {
 		double cx = 128, cy = 128, r = 128;

etc/tables/build.sh

@@ -1,16 +0,0 @@
-#!/bin/bash
-
-echo "Formatting.."
-clang-format -i tables.c
-
-echo "Cleaning.."
-rm -f ../../bin/tables
-
-echo "Building.."
-mkdir -p ../../bin
-cc  -lm tables.c -o ../../bin/tables
-
-echo "Assembling.."
-../../bin/tables 
-
-echo "Done."