done circumcircle but it doesn't work so well

[moebius2.git] / common.h

diff --git a/common.h b/common.h
index ebc34d17a27eb3d578f7f60ca33bd2e9057ad6c4..58bc1cc11bb1396e892e827a22352923c75202ab 100644 (file)
--- a/common.h
+++ b/common.h
@@ -9,6 +9,9 @@
 #define _GNU_SOURCE
 #endif
 
+#include <sys/types.h>
+#include <sys/stat.h>
+
 #include <math.h>
 #include <float.h>
 #include <limits.h>
@@ -18,11 +21,13 @@
 #include <errno.h>
 #include <string.h>
 #include <unistd.h>
+#include <stdint.h>
 
 #include <gsl/gsl_vector.h>
 #include <gsl/gsl_matrix.h>
 #include <gsl/gsl_blas.h>
 #include <gsl/gsl_linalg.h>
+#include <gsl/gsl_interp.h>
 
 #define D3 3
 
@@ -31,10 +36,16 @@ double hypotD2(const double p[D3], const double q[D3]);
 double hypotD2plus(const double p[D3], const double q[D3], double add);
 
 double magnD(const double pq[D3]);
+double magnD2(const double pq[D3]);
 void xprod(double r[D3], const double a[D3], const double b[D3]);
+double dotprod(const double a[D3], const double b[D3]);
+void xprod_norm(double r[D3], const double a[D3], const double b[D3],
+               double one, double absepsilon);
+void normalise(double v[D3], double one, double absepsilon);
 
 void flushoutput(void);
 void diee(const char *what);
+void fail(const char *emsg);
 
 void libdie(const char *lib, int l, const char *str);
 #define XA(w) ((w) ? (void)0 : libdie("X", __LINE__, #w))