(calc-graph-plot): Let `calc-twos-complement-mode' be nil.

diff --git a/lisp/calc/calc-graph.el b/lisp/calc/calc-graph.el
index 31bb01953dffde24f5a7ae2aa21041534a0bc8f2..147a661a5b223a0bb9f0997d1cfa5fab71a06803 100644 (file)
--- a/lisp/calc/calc-graph.el
+++ b/lisp/calc/calc-graph.el
@@ -505,6 +505,7 @@
                 (let ((calc-group-digits nil)
                       (calc-leading-zeros nil)
                       (calc-number-radix 10)
+                       (calc-twos-complement-mode nil)
                       (entry (and (not calc-graph-is-splot)
                                   (list calc-graph-xp calc-graph-yp calc-graph-xhigh calc-graph-numsteps))))
                   (or (equal entry