From a3efcb98a5c165307cc28749e26bffc12ebbf245 Mon Sep 17 00:00:00 2001 From: Thomas White Date: Tue, 13 Oct 2009 19:02:20 +0200 Subject: Image, feature and unit cell infrastructure Brought across from DTR and Synth3D --- src/utils.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 src/utils.h (limited to 'src/utils.h') diff --git a/src/utils.h b/src/utils.h new file mode 100644 index 00000000..ef37bc73 --- /dev/null +++ b/src/utils.h @@ -0,0 +1,42 @@ +/* + * utils.h + * + * Utility stuff + * + * (c) 2006-2009 Thomas White + * + * template_index - Indexing diffraction patterns by template matching + * + */ + +#ifndef UTILS_H +#define UTILS_H + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include + +extern unsigned int biggest(signed int a, signed int b); +extern unsigned int smallest(signed int a, signed int b); +extern double distance(double x1, double y1, double x2, double y2); +extern double modulus(double x, double y, double z); +extern double modulus_squared(double x, double y, double z); +extern double angle_between(double x1, double y1, double z1, + double x2, double y2, double z2); +extern double angle_between_d(double x1, double y1, double z1, + double x2, double y2, double z2); +extern double lambda(double voltage); +extern double distance3d(double x1, double y1, double z1, + double x2, double y2, double z2); +extern size_t skipspace(const char *s); +extern void chomp(char *s); +extern int sign(double a); + +#define rad2deg(a) ((a)*180/M_PI) +#define deg2rad(a) ((a)*M_PI/180) + +#define is_odd(a) ((a)%2==1) + +#endif /* UTILS_H */ -- cgit v1.2.3