initial cut of X client

[moebius2.git] / common.h

diff --git a/common.h b/common.h
index 1a358d1d4033db9036c41b14abf565f66ecea73a..d6d1e58c8fc768f32550fae2a82d664e208213e5 100644 (file)
--- a/common.h
+++ b/common.h
@@ -5,14 +5,35 @@
 #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>
+
+#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]);
+
+void flushoutput(void);
+void diee(const char *what);
+
+#define FOR_COORD(k) \
+  for ((k)=0; (k)<D3; (k)++)
+
+#define K FOR_COORD(k)
+
 #ifdef FP_FAST_FMA
 # define fma_fast fma
 #else