From be1109345bf16ffebd381da675a5757e9f77fa26 Mon Sep 17 00:00:00 2001
From: Recolic Keghart <git@me.recolic.net>
Date: Mon, 28 Nov 2022 21:14:39 -0800
Subject: [PATCH] add plain c
---
generate-points.c | 37 +++++++++++++++++++++++++++++++++++++
generate-points.cc | 39 ---------------------------------------
run.sh | 2 +-
3 files changed, 38 insertions(+), 40 deletions(-)
create mode 100644 generate-points.c
delete mode 100644 generate-points.cc
diff --git a/generate-points.c b/generate-points.c
new file mode 100644
index 0000000..f1966de
--- /dev/null
+++ b/generate-points.c
@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <assert.h>
+
+#define sample_per_u 10
+#define iteration_count 200
+#define sample_range_begin 1.000
+#define sample_range_end 4.000
+#define delta_u 0.001
+
+void sample_after_iteration(double u, double *output_samples_arr) {
+ // Firstly, let's do some iterations.
+ double x_curr = 0.01;
+ for(int i = 0; i < iteration_count; ++i) {
+ assert(x_curr > 0 && x_curr < 1);
+ x_curr = u * x_curr * (1 - x_curr);
+ }
+ // And then, take some samples.
+ for(int i = 0; i < sample_per_u; ++i) {
+ output_samples_arr[i] = x_curr;
+ x_curr = u * x_curr * (1 - x_curr);
+ }
+}
+
+void print_points() {
+ double samples_arr[sample_per_u];
+ for(double curr_u = sample_range_begin; curr_u <= sample_range_end; curr_u += delta_u) {
+ sample_after_iteration(curr_u, samples_arr);
+ for(int i = 0; i < sample_per_u; ++i) {
+ printf("%f %f\n", curr_u, samples_arr[i]);
+ }
+ }
+}
+
+int main() {
+ print_points();
+}
+
diff --git a/generate-points.cc b/generate-points.cc
deleted file mode 100644
index d91b362..0000000
--- a/generate-points.cc
+++ /dev/null
@@ -1,39 +0,0 @@
-#include <iostream>
-#include <array>
-#include <cassert>
-
-constexpr auto sample_per_u = 10;
-constexpr auto iteration_count = 200;
-constexpr auto sample_range_begin = 1.000;
-constexpr auto sample_range_end = 4.000;
-constexpr auto delta_u = 0.001;
-
-auto sample_after_iteration(double u) {
- // Firstly, let's do some iterations.
- double x_curr = 0.01;
- for(int i = 0; i < iteration_count; ++i) {
- assert(x_curr > 0 && x_curr < 1);
- x_curr = u * x_curr * (1 - x_curr);
- }
- // And then, take some samples.
- std::array<double, sample_per_u> samples;
- for(int i = 0; i < sample_per_u; ++i) {
- samples[i] = x_curr;
- x_curr = u * x_curr * (1 - x_curr);
- }
- return samples;
-}
-
-void print_points() {
- for(auto curr_u = sample_range_begin; curr_u <= sample_range_end; curr_u += delta_u) {
- auto samples = sample_after_iteration(curr_u);
- for(auto &&sample : samples) {
- std::cout << curr_u << ' ' << sample << std::endl;
- }
- }
-}
-
-int main() {
- print_points();
-}
-
diff --git a/run.sh b/run.sh
index 68f0e1c..04f6094 100644
--- a/run.sh
+++ b/run.sh
@@ -1 +1 @@
-g++ generate-points.cc -O3 -o generate-points && ./generate-points | tee points.log && python draw.py
+gcc generate-points.c -O3 -o generate-points && ./generate-points | tee points.log && python draw.py
--
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