Fixed tricorn_V3.c to adjust mathematical direction based on height sign

Implementierung/main.c

@@ -21,6 +21,7 @@ void benchmarking(void) {
     // do the benchmarking
 }
 // REMOVE LATER: interesting test command  ./tricorn -s -2.0,0.6 -r 0.0010  -n 200 -d 1920,1080 -o image.bmp  -C
+// AND FOR NEGATIVE HEIGHT: ./tricorn -s -2,-0.5 -r 0.0010  -n 200 -d 1920,-1080 -o image.bmp  -C 
 const char* help_messsage = "Help Message\n\n"
                 "Usage:\n"
                 "   ./tricorn [OPTIONS]\n\n"

Implementierung/tricorn_V3.c

@@ -16,6 +16,7 @@ static unsigned converge(float complex position,unsigned n);
 void tricorn_V3(float complex start, size_t width, ssize_t height, float res, unsigned n, _Bool color, unsigned char* img){
     
     // Absolute height for iteration purposes
+    unsigned imag_direction = height < 0 ? -1 : 1;
     height = height < 0 ?  height*-1 : height;
     unsigned bytesPerColor = color ? 3 : 1;
 
@@ -23,7 +24,7 @@ void tricorn_V3(float complex start, size_t width, ssize_t height, float res, un
     for(size_t i = 0; i < width; i++){
         for(ssize_t j = 0; j < height; j++){
 
-            unsigned value = converge(start + (i*res - I*j*res),n);
+            unsigned value = converge(start + (i*res - imag_direction*j*res),n);
 
             // Pixel value position in the output array
             size_t position = (j*width +i) * bytesPerColor;