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-rw-r--r--vector.c26
1 files changed, 0 insertions, 26 deletions
diff --git a/vector.c b/vector.c
deleted file mode 100644
index d0e304a..0000000
--- a/vector.c
+++ /dev/null
@@ -1,26 +0,0 @@
-#include "vector.h"
-#include <math.h>
-
-void normalize(double *a)
-{
- double c;
- c = NORM(a);
- DIV(a,c);
-}
-
-void rotate(double *dest, double *v, double *n, double phi)
-{
- /* Rotate the vector `v` through an angle `phi` about the axis `n`. */
- double temp[3], cos_theta;
-
- cos_theta = cos(phi);
-
- COPY(dest,v);
- MUL(dest,cos_theta);
- CROSS(temp,n,v);
- MUL(temp,sin(phi));
- ADD(dest,dest,temp);
- COPY(temp,n);
- MUL(temp,DOT(n,v)*(1-cos_theta));
- ADD(dest,dest,temp);
-}