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| author | taw27 <taw27@bf6ca9ba-c028-0410-8290-897cf20841d1> | 2008-08-12 16:30:06 +0000 |
|---|---|---|
| committer | taw27 <taw27@bf6ca9ba-c028-0410-8290-897cf20841d1> | 2008-08-12 16:30:06 +0000 |
| commit | 4ea397e11edfb5ef711e52a0d4088943df052d7b (patch) | |
| tree | 3d0e44b6c798a156dd85728d9c583d30ed191688 /src/utils.h | |
| parent | d963362e6cb208ca730cf45b2b72ab3e86489907 (diff) | |
Improve numerical stability of reprojection
git-svn-id: svn://cook.msm.cam.ac.uk:745/diff-tomo/dtr@285 bf6ca9ba-c028-0410-8290-897cf20841d1
Diffstat (limited to 'src/utils.h')
| -rw-r--r-- | src/utils.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/utils.h b/src/utils.h index 5736739..5c2e586 100644 --- a/src/utils.h +++ b/src/utils.h @@ -30,6 +30,7 @@ extern double distance3d(double x1, double y1, double z1, double x2, double y2, extern size_t skipspace(const char *s); extern void chomp(char *s); extern void matrix_vector_show(const gsl_matrix *m, const gsl_vector *v, const char *prefix); +extern int sign(double a); #define rad2deg(a) ((a)*180/M_PI) #define deg2rad(a) ((a)*M_PI/180) |