better vertex displacement

[moebius2.git] / common.h

diff --git a/common.h b/common.h
index ebc34d17a27eb3d578f7f60ca33bd2e9057ad6c4..7e0e86d7622da0698d992bdf94af0dfef3e4676e 100644 (file)
--- a/common.h
+++ b/common.h
@@ -32,6 +32,7 @@ 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);