formatted source :-)

diff --git a/triang.c b/triang.c
index 8f4a706c06e1ea37c165b05cc42fcd41adcf9fbb..eb1f6a6234225efc0e64663a33225b6170e2baa1 100644 (file)
--- a/triang.c
+++ b/triang.c
@@ -1,3 +1,7 @@
+/*
+ * triang.c
+ */
+
 #include <stdio.h>
 #include <math.h>
 
@@ -18,56 +22,59 @@ void seek_target (float X1, float Y1, float X2, float Y2, int E1, int E2) {
        /* E1 eigene Signalstaerke vom target */
        /* E2 Signalstaerke des Targets vom Freund */
 
-double zaehler, nenner, a_q, b_q, c_q, deltaX, deltaY;
-
-printf("Debug: %f %f %f %f %d %d \n", X1, Y1, X2, Y2, E1, E2);
-
-/* quadratwerte der seitenlaengen im dreieck */
-a_q=(double)MAXSIGNAL/E2;
-b_q=(double)MAXSIGNAL/E1;
-c_q=(X1-X2)*(X1-X2)+(Y1-Y2)*(Y1-Y2);
-
-/* hilfsvariablen */
-deltaX=X1-X2;
-deltaY=Y1-Y2;
-zaehler=a_q-b_q-c_q;
-nenner=-2*sqrt(c_q*b_q);
-
-printf("Debug: a=%f , b=%f ... und c=%f\n", sqrt(a_q), sqrt(b_q), sqrt(c_q));
-
-if ( (sqrt(a_q)+sqrt(b_q)) <= sqrt(c_q) ) {
-       printf("impossible situation!\n");
-       deltaX1=0; deltaY1=0;
-}
-else {
-       deltaX1=-sqrt(b_q)*cos(acos(deltaX/deltaY)-acos(zaehler/nenner));
-       deltaY1=sqrt(b_q)*sin(acos(deltaX/deltaY)-acos(zaehler/nenner));
-       deltaX2=deltaY1;
-       deltaY2=-1*deltaX1;
+       double zaehler, nenner, a_q, b_q, c_q, deltaX, deltaY;
+
+       printf("Debug: %f %f %f %f %d %d \n", X1, Y1, X2, Y2, E1, E2);
+
+       /* quadratwerte der seitenlaengen im dreieck */
+       a_q=(double)MAXSIGNAL/E2;
+       b_q=(double)MAXSIGNAL/E1;
+       c_q=(X1-X2)*(X1-X2)+(Y1-Y2)*(Y1-Y2);
+
+       /* hilfsvariablen */
+       deltaX=X1-X2;
+       deltaY=Y1-Y2;
+       zaehler=a_q-b_q-c_q;
+       nenner=-2*sqrt(c_q*b_q);
+
+       printf("Debug: a=%f , b=%f ... und c=%f\n", sqrt(a_q), sqrt(b_q), sqrt(c_q));
+
+       if ( (sqrt(a_q)+sqrt(b_q)) <= sqrt(c_q) )
+       {
+               printf("impossible situation!\n");
+               deltaX1=0; deltaY1=0;
+       }
+       else
+       {
+               deltaX1=-sqrt(b_q)*cos(acos(deltaX/deltaY)-acos(zaehler/nenner));
+               deltaY1=sqrt(b_q)*sin(acos(deltaX/deltaY)-acos(zaehler/nenner));
+               deltaX2=deltaY1;
+               deltaY2=-1*deltaX1;
+       }
 }
-}
-
-main() {
 
-/* beispiel */
+int main (int argc, char ** argv)
+{
+       /* beispiel */
 
-float a, b, c, d;
-int e, f;
+       float a, b, c, d;
+       int e, f;
 
-a=0;
-b=0;
-c=0;
-d=10;
-e=5;
-f=2;
+       a=0;
+       b=0;
+       c=0;
+       d=10;
+       e=5;
+       f=2;
 
-seek_target (a, b, c, d, e, f);
-/* wir sind im ursprung, kumpel 10 einheiten ueber uns! */
+       seek_target (a, b, c, d, e, f);
+       /* wir sind im ursprung, kumpel 10 einheiten ueber uns! */
 
-printf("Debug: seek_target ausgefuehrt!\n");
+       printf("Debug: seek_target ausgefuehrt!\n");
 
-printf("1. Moeglichkeit: Delta(%f;%f)\n", deltaX1, deltaY1);
-printf("2. Moeglichkeit: Delta(%f;%f)\n", deltaX2, deltaY2);
+       printf("1. Moeglichkeit: Delta(%f;%f)\n", deltaX1, deltaY1);
+       printf("2. Moeglichkeit: Delta(%f;%f)\n", deltaX2, deltaY2);
 
+       return 0;
 }