fir.c

@@ -1,42 +0,0 @@
-#include <stdio.h>
-
-#define N 5 // Number of taps (filter coefficients)
-
-// Example filter coefficients (simple low-pass averaging filter)
-float coeffs[N] = {
-    0.2, 0.2, 0.2, 0.2, 0.2 // Equal weights → moving average filter
-};
-
-float buffer[N] = {0}; // Circular buffer to store recent inputs
-int   bufIndex = 0;
-
-float fir_filter(float input) {
-    buffer[bufIndex] = input;
-
-    float output = 0.0;
-    int   index = bufIndex;
-
-    // Apply the convolution (dot product of input buffer and coefficients)
-    for (int i = 0; i < N; ++i) {
-        output += coeffs[i] * buffer[index];
-        if (--index < 0)
-            index = N - 1; // Wrap around circular buffer
-    }
-
-    bufIndex = (bufIndex + 1) % N;
-    return output;
-}
-
-int main() {
-    float noisy_signal[] = {1,   2, 3, 2,
-                            100, 3, 2, 1}; // A spike in the middle (100)
-    int   len = sizeof(noisy_signal) / sizeof(float);
-
-    printf("Filtered output:\n");
-    for (int i = 0; i < len; ++i) {
-        float filtered = fir_filter(noisy_signal[i]);
-        printf("%.2f\n", filtered);
-    }
-
-    return 0;
-}

lua_embed/bindings.lua

@@ -1,11 +0,0 @@
----@meta
-
---- Prints a string.
----@param str string The string to print.
-function myprint(str) end
-
---- Add two integers
----@param a number The first integer
----@param b number The second integer
----@return number Result (a + b)
-function c_add(a, b) end

lua_embed/main.c

@@ -10,37 +10,9 @@ int c_add(lua_State *L) {
     return 1; // one return value
 }
 
-int c_print(lua_State *L) {
-    const char *c = luaL_checkstring(L, 1);
-    printf("%s\n", c);
-    return 0;
-}
-
-static int luaB_print(lua_State *L) {
-    int n = lua_gettop(L); /* number of arguments */
-    int i;
-    for (i = 1; i <= n; i++) { /* for each argument */
-        size_t      l;
-        const char *s = luaL_tolstring(L, i, &l); /* convert it to string */
-        if (i > 1)                                /* not the first element? */
-            lua_writestring("\t", 1);             /* add a tab before it */
-        lua_writestring(s, l);                    /* print it */
-        lua_pop(L, 1);                            /* pop result */
-    }
-    lua_writeline();
-    return 0;
-}
-
-static int luaB_type(lua_State *L) {
-    int t = lua_type(L, 1);
-    luaL_argcheck(L, t != LUA_TNONE, 1, "value expected");
-    lua_pushstring(L, lua_typename(L, t));
-    return 1;
-}
-
 int main(void) {
     lua_State *L = luaL_newstate();
-    // luaL_openlibs(L); // Load Lua standard libraries
+    luaL_openlibs(L); // Load Lua standard libraries
 
     const lua_Number ver = lua_version(NULL);
 
@@ -49,9 +21,6 @@ int main(void) {
 
     // Register the C function as a global Lua function
     lua_register(L, "c_add", c_add);
-    lua_register(L, "myprint", c_print);
-    lua_register(L, "print", luaB_print);
-    lua_register(L, "type", luaB_type);
 
     // Run the Lua script
     if (luaL_dofile(L, "script.lua") != LUA_OK) {

lua_embed/script.lua

@@ -1,11 +1,8 @@
 local result = c_add(10, 25)
-print("Type: ", type(result))
 print("Result from C function: " .. result)
 
 HereYouCan = {
-	"Execute Arbitrary Lua Code",
+    "Execute Arbitrary Lua Code"
 }
 
 print(HereYouCan[1])
-myprint(HereYouCan[1])
-myprint("Hello" .. " " .. "World")

thread.c

@@ -1,14 +0,0 @@
-#include <pthread.h>
-#include <stdio.h>
-
-void *worker(void *arg) {
-    printf("Hello from thread\n");
-    return NULL;
-}
-
-int main() {
-    pthread_t thread;
-    pthread_create(&thread, NULL, worker, NULL);
-    pthread_join(thread, NULL);
-    return 0;
-}