+function near(a, b, epsilon = 1e-6) {
+ return Math.abs(a - b) < epsilon;
+}
+
+function rand(limit = 100) {
+ return Math.round(Math.random() * limit);
+}
+
+function make_random_tax_table() {
+ function make_random_table(min_threshold) {
+ if (rand(2)) return [];
+ const start = min_threshold === undefined ? rand() : min_threshold;
+ const end = start + 1 + rand();
+ return [[start, rand()]].concat(make_random_table(end));
+ }
+ return tax_table_from_table(make_random_table());
+}
+