- Fixed a few problems with hklscan

- Added transfer of zipped data to conman.c, histogram memory software
  in order to support the TRICS status display.
- Upgraded TRICS data file writing.
- First installment of triple axis spectrometer support: initialization of
  data structures and an implementation of the MAD dr(ive) command.

d_sign.c

@@ -0,0 +1,18 @@
+#include "f2c.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef KR_headers
+double d_sign(a,b) doublereal *a, *b;
+#else
+double d_sign(doublereal *a, doublereal *b)
+#endif
+{
+double x;
+x = (*a >= 0 ? *a : - *a);
+return( *b >= 0 ? x : -x);
+}
+#ifdef __cplusplus
+}
+#endif