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Update copyright date; remove old CVS keyword
[ctsim.git]
/
libctgraphics
/
ezplot.cpp
diff --git
a/libctgraphics/ezplot.cpp
b/libctgraphics/ezplot.cpp
index 099eff5ded8d050d0d067b225adfce18823b4429..cb4e0ece37358d9e6a15a0210936f18f9d787abc 100644
(file)
--- a/
libctgraphics/ezplot.cpp
+++ b/
libctgraphics/ezplot.cpp
@@
-1,12
+1,10
@@
/*****************************************************************************
** FILE IDENTIFICATION
**
/*****************************************************************************
** FILE IDENTIFICATION
**
-**
EZPLOT
+**
ezplot.cpp
**
** This is part of the CTSim program
**
** This is part of the CTSim program
-** Copyright (c) 1983-2001 Kevin Rosenberg
-**
-** $Id$
+** Copyright (c) 1983-2009 Kevin Rosenberg
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
@@
-1161,10
+1159,19
@@
EZPlot::symbol (int sym, double symwidth, double symheight)
int
EZPlot::axis_scale (double min, double max, int nint, double *minp, double *maxp, int *nintp)
{
int
EZPlot::axis_scale (double min, double max, int nint, double *minp, double *maxp, int *nintp)
{
- if (
min >= max ||
nint < 1) {
- sys_error (ERR_WARNING, "
Invalid params: min=%lf, max=%lf, num intervals=%d [axis_scale]", min, max
, nint);
+ if (nint < 1) {
+ sys_error (ERR_WARNING, "
No intervals to plot: num intervals=%d [axis_scale]"
, nint);
return (FALSE);
}
return (FALSE);
}
+ if (min >= max) {
+ double scaled = fabs(max) / 10;
+ if (scaled == 0)
+ scaled = 0.1;
+ *minp = min - scaled;
+ *maxp = max + scaled;
+ *nintp = 2;
+ return (TRUE);
+ }
double eps = 0.025;
double a = fabs(min);
double eps = 0.025;
double a = fabs(min);