X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=common.h;h=7e0e86d7622da0698d992bdf94af0dfef3e4676e;hb=a602fc812857788265c72c27b132f34b9d7d107c;hp=1a358d1d4033db9036c41b14abf565f66ecea73a;hpb=732b811081946ad56d05769de8846b27375b7eb7;p=moebius2.git

diff --git a/common.h b/common.h
index 1a358d1..7e0e86d 100644
--- a/common.h
+++ b/common.h
@@ -5,14 +5,55 @@
 #ifndef COMMON_H
 #define COMMON_H
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
+
 #include <math.h>
+#include <float.h>
 #include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <gsl/gsl_vector.h>
+#include <gsl/gsl_matrix.h>
+#include <gsl/gsl_blas.h>
+#include <gsl/gsl_linalg.h>
+
+#define D3 3
 
 double hypotD(const double p[D3], const double q[D3]);
 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]);
+void xprod(double r[D3], const double a[D3], const double b[D3]);
+double dotprod(const double a[D3], const double b[D3]);
+
+void flushoutput(void);
+void diee(const char *what);
+
+void libdie(const char *lib, int l, const char *str);
+#define XA(w) ((w) ? (void)0 : libdie("X", __LINE__, #w))
+
+void gsldie(int l, const char *what, int status);
+#define GA(w) ({int _ga_r= (w); if (w) gsldie(__LINE__,#w,_ga_r);})
+
+#define FOR_COORD(k) \
+  for ((k)=0; (k)<D3; (k)++)
+
+#define K FOR_COORD(k)
+
+#define GSL_VECTOR(x) gsl_vector x##_gsl= { D3,1,&x[0] };
+#define GSL_MATRIX(x) gsl_matrix x##_gsl= { D3,D3,D3,&x[0][0] };
+
+#define MIN(a,b) ((a) <= (b) ? (a) : (b))
+#define MAX(a,b) ((a) >= (b) ? (a) : (b))
+
 #ifdef FP_FAST_FMA
 # define fma_fast fma
 #else