completed prog - 1st stable rel. ;)

[my-code/triang.git] / triang.c

diff --git a/triang.c b/triang.c
index 04ec140..1caf49a 100644 (file)
--- a/triang.c
+++ b/triang.c
@@ -4,7 +4,7 @@
 
 #define MAXSIGNAL 100
 
-double deltaX1, deltaY1; 
+double deltaX1, deltaY1, deltaX2, deltaY2; 
 
        /*
        zweite Loesung ist achsensymmetrisch zur Verbindungslinie
@@ -31,19 +31,19 @@ c_q=(X1-X2)*(X1-X2)+(Y1-Y2)*(Y1-Y2);
 deltaX=X1-X2;
 deltaY=Y1-Y2;
 zaehler=a_q-b_q-c_q;
-printf("Debug: Zaehler %f\n", zaehler);
 nenner=-2*sqrt(c_q*b_q);
-printf("Debug: Nenner %f\n", nenner);
 
 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) ) {
+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));
+       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;
 }
 }
 
@@ -58,8 +58,8 @@ a=0;
 b=0;
 c=0;
 d=10;
-e=90;
-f=90;
+e=5;
+f=2;
 
 seek_target (a, b, c, d, e, f);
 /* wir sind im ursprung, kumpel 10 einheiten ueber uns! */
@@ -67,7 +67,7 @@ seek_target (a, b, c, d, e, f);
 printf("Debug: seek_target ausgefuehrt!\n");
 
 printf("1. Moeglichkeit: (%f;%f)\n", deltaX1, deltaY1);
-// printf("2. Moeglichkeit: (%f;%f)\n", delta2, delta1);
+printf("2. Moeglichkeit: (%f;%f)\n", deltaX2, deltaY2);
 
 }