Merge branch 'leadoff'

[physik/posic.git] / vasp_tools / acos.c

diff --git a/vasp_tools/acos.c b/vasp_tools/acos.c
new file mode 100644 (file)
index 0000000..609a6dc
--- /dev/null
+++ b/vasp_tools/acos.c
@@ -0,0 +1,11 @@
+/* acos */
+
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+
+int main(int argc,char **argv) {
+       printf("%f\n",180.0/M_PI*acos(atof(argv[1])));
+       return 0;
+}
+