Array a sinewave array.

tests/helloarray/helloarray.cpp

@@ -1,32 +1,65 @@
 #include <string.h>
 #include <stdio.h>
 #include <malloc.h>
+#include <math.h>
+#include <iostream>
 
 int main (void) {
 
+    //
+    //
+    //
     char* array = (char*)malloc(256);
 
     for (int i=0; i<256; i++) {
         array[i] = i;
     }
 
+    //
+    //
+    //
     int* int_array = (int*)malloc(256);
 
     for (int i=0; i<64; i++) {
-        int_array[i] = i;
+        int_array[i] = i*0;
     }
 
+    //
+    //
+    //
     float* float_array = (float*)malloc(256);
 
     for (int i=0; i<64; i++) {
         float_array[i] = (float)i * 1.13;
     }
 
+    //
+    //
+    //
+    int    table_size     = 512;
+    double two_pi         = (3.14159 * 2);
+    float  phaseIncrement = two_pi/table_size;
+    float  currentPhase   = 0.0;
+
+    float* sine_array = (float*)malloc(table_size*sizeof(float));
+
+    for (int i = 0; i < 512; i ++){
+
+        sine_array[i] = sin(currentPhase);
+
+        currentPhase += phaseIncrement;
+    }
+
+
+    //
+    //
+    //
     printf("Hello array!\n");
 
     free(array);
     free(int_array);
     free(float_array);
+    free(sine_array);
 
     return 0;
 }