fixed bug with sqrt of negative exprdev value

chakravala · Oct 11, 2018 · f205b1f · f205b1f
1 parent 1c22db6
commit f205b1f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/exprval.jl b/src/exprval.jl
@@ -48,5 +48,5 @@ function exprval(expr)
     val = expravg(expr)
     cal = callcount(expr)
     mal = sqrt(exprdev(expr,val[2],cal))
-    sqrt(val[2]*mal)*val[4]*cal, mal, cal, val[2], val[4]
+    sqrt(abs(val[2]*mal))*val[4]*cal, mal, cal, val[2], val[4]
 end