6f5408b67c1b4534efa4d795bc3776c6c667d586
braney
  Fri Dec 22 18:29:07 2017 -0800
implement missing data handling in mathWigs

diff --git src/hg/inc/mathWig.h src/hg/inc/mathWig.h
index 6ced5ce..65ac81d 100644
--- src/hg/inc/mathWig.h
+++ src/hg/inc/mathWig.h
@@ -1,13 +1,17 @@
 /* Copyright (C) 2017 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 
 #ifndef MATHWIG_H
 #define MATHWIG_H
 
 #include "cart.h"
 
+double *mathWigGetValuesMissing(char *equation, char *chrom, unsigned start, unsigned end);
+/* Build an array of doubles that is calculated from bigWig's listed
+ * in equation in the requested region. Math with missing data results in missing data. */
+
 double *mathWigGetValues(char *equation, char *chrom, unsigned start, unsigned end);
 /* Build an array of doubles that is calculated from bigWig's listed
  * in equation in the requested region. */
 
 #endif