LTCD_070816.ISO

LT/Adam/Math.APZ

@@ -0,0 +1,66 @@
+#help_index "Math"
+
+public double Abs(double i)
+{
+  if (i<0)
+    return -i;
+  else
+    return i;
+}
+
+public double Sign(double i)
+{
+  if (i<0)
+    return -1.0;
+  else if (!i)
+    return 0.0;
+  else
+    return 1.0;
+}
+
+public double Sqr(double d)
+{
+  return d*d;
+}
+
+public void R2P(double *mag,double *arg,double x,double y)
+{  //Rect to polar
+  *arg=Arg(x,y);
+  *mag=Sqrt(x*x+y*y);
+}
+
+public void P2R(double *x,double *y,double mag,double arg)
+{  //Polar to Rect
+  *x=mag*Cos(arg);
+  *y=mag*Sin(arg);
+}
+
+public double Unwrap(double theta,double base=-pi)
+{
+  double result=theta%pi2;
+  if (result<base)     result+=pi2;
+  if (result>base+pi2) result-=pi2;
+  return result;
+}
+
+public I8 SignI8(I8 i)
+{
+  if (i<0)
+    return -1;
+  else if (!i)
+    return 0;
+  else
+    return 1;
+}
+
+public I8 SqrI8(I8 i)
+{
+  return i*i;
+}
+
+public I8 DistI8(I8 x1,I8 y1,I8 x2,I8 y2)
+{
+  I8 dx=x1-x2,dy=y1-y2;
+  return dx*dx+dy*dy;
+}
+#help_index ""