diff options
| author | Thomas Grill <xovo@users.sourceforge.net> | 2002-12-02 19:21:08 +0000 |
|---|---|---|
| committer | Thomas Grill <xovo@users.sourceforge.net> | 2002-12-02 19:21:08 +0000 |
| commit | 9815096db22c73cacdbb65512d1b61d633db7fa8 (patch) | |
| tree | 4a6582ead85b8efd031f68e717fbc8a5b3a3df3f /externals/grill/vasp/source/util.cpp | |
| parent | 0a109da279e9df66fb5ea7d6bdaeffed16592f02 (diff) | |
"version 0.1.1"
svn path=/trunk/; revision=267
Diffstat (limited to 'externals/grill/vasp/source/util.cpp')
| -rw-r--r-- | externals/grill/vasp/source/util.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/externals/grill/vasp/source/util.cpp b/externals/grill/vasp/source/util.cpp new file mode 100644 index 00000000..c487e3d1 --- /dev/null +++ b/externals/grill/vasp/source/util.cpp @@ -0,0 +1,12 @@ +#include "util.h" +#include <math.h> + +R arg(R re,R im) +{ + if(re) + return fmod(atan(im/re)+(re < 0?2*PI:PI),2*PI)-PI; + else + if(im || re) return im > 0?PI/2:-PI/2; + else return 0; +} + |