File gnuplot-4.6.0-demo.diff of Package gnuplot

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File gnuplot-4.6.0-demo.diff of Package gnuplot

diff -ur ../gnuplot-5.0.0.orig/demo/fit.dem ./demo/fit.dem
--- ../gnuplot-5.0.0.orig/demo/fit.dem	2014-09-21 06:54:31.000000000 +0200
+++ ./demo/fit.dem	2015-01-21 20:35:15.303678726 +0100
@@ -10,6 +10,7 @@
 
 print "Some examples how data fitting using nonlinear least squares fit can be done."
 print ''
+logfile = "`mktemp /tmp/fit.log.XXXXXX`"
 
 print "We fit a straight line to the data -- only as a demo without physical meaning."
 l(x) = y0 + m*x
@@ -29,6 +30,7 @@
 plot 'lcdemo.dat', l(x)
 pause -1 "Now start fitting...  (-> return)"
 
+set fit logfile logfile
 fit l(x) 'lcdemo.dat' via y0, m
 set title 'unweighted fit'
 plot 'lcdemo.dat', l(x)
@@ -167,7 +169,7 @@
 
 fit f(x,y) 'soundvel.dat' using 1:-2:2 via 'sound.par'
 #create soundfit.par, reading from sound.par and updating values
-update 'sound.par' 'soundfit.par'
+update 'sound.par' "`mktemp /tmp/soundfit.par.XXXXXX`"
 set title 'pseudo-3d multi-branch fit to velocity data'
 plot 'soundvel.dat', vlong(x), vtrans(x)
 print ''
@@ -323,6 +325,7 @@
 pause -1 "Press enter to proceed with the next example."
 
 reset
+set fit logfile logfile
 print "\n"
 print "The fit command can handle errors in the independent variable, too."
 print "The problem shown here is Pearson's data with York's weights.\n"
@@ -428,6 +431,7 @@
 print ''
 pause -1 "Done with fitting demo  (-> return)"
 reset
+set fit logfile logfile
 set encoding myencoding
 # release datablock
 undefine $PearsonYork
diff -ur ../gnuplot-5.0.0.orig/demo/poldat.dem ./demo/poldat.dem
--- ../gnuplot-5.0.0.orig/demo/poldat.dem	2014-07-23 18:56:13.000000000 +0200
+++ ./demo/poldat.dem	2015-01-21 20:27:11.764634013 +0100
@@ -11,7 +11,7 @@
 unset polar
 set title "Primitive Smith Chart"
 unset key
-set xlabel "Impedance or Admittance Coordinates"
+set xlabel "Impedance or Admittance Coordinates" offset 12,-1
 set para
 set rrange [-0 : 10]
 set trange [-pi : pi]
diff -ur ../gnuplot-5.0.0.orig/demo/simple.dem ./demo/simple.dem
--- ../gnuplot-5.0.0.orig/demo/simple.dem	2012-11-19 18:35:09.000000000 +0100
+++ ./demo/simple.dem	2015-01-21 20:38:52.998698856 +0100
@@ -8,14 +8,13 @@
 #
 set title "Simple Plots" font ",20"
 set key left box
-set samples 50
+set samples 400
 set style data points
 
 plot [-10:10] sin(x),atan(x),cos(atan(x))
 pause -1 "Hit return to continue"
 
 set key right nobox
-set samples 100
 plot [-pi/2:pi] cos(x),-(sin(x) > sin(x+1) ? sin(x) : sin(x+1))
 pause -1 "Hit return to continue"
 
diff -ur ../gnuplot-5.0.0.orig/demo/stringvar.dem ./demo/stringvar.dem
--- ../gnuplot-5.0.0.orig/demo/stringvar.dem	2014-09-09 05:35:33.000000000 +0200
+++ ./demo/stringvar.dem	2015-01-21 20:27:11.765634013 +0100
@@ -1,7 +1,8 @@
 #
 # Miscellaneous neat things you can do using the string variables code
 #
-set print "stringvar.tmp"
+stringvar="`mktemp /tmp/stringvar.XXXXXX`"
+set print stringvar
 print ""
 print "Exercise substring handling"
 print ""
@@ -27,7 +28,7 @@
 
 unset print
 
-set label 1 system("cat stringvar.tmp") at graph 0.1, graph 0.9
+set label 1 system(sprintf("cat %s", stringvar)) at graph 0.1, graph 0.9
 unset xtics
 unset ytics
 set yrange [0:1]
@@ -36,7 +37,7 @@
 pause -1 "Hit return to continue"
 
 
-set print "stringvar.tmp"
+set print stringvar
 print "Exercise string handling functions"
 print ""
 print "foo          = ",foo
@@ -65,7 +66,7 @@
 print ""
 
 unset print
-set label 1 system("cat stringvar.tmp") at graph 0.1, graph 0.9
+set label 1 system(sprintf("cat %s", stringvar)) at graph 0.1, graph 0.9
 unset xtics
 unset ytics
 set yrange [0:1]
diff -ur ../gnuplot-5.0.0.orig/src/show.c ./src/show.c
--- ../gnuplot-5.0.0.orig/src/show.c	2014-11-22 05:10:50.000000000 +0100
+++ ./src/show.c	2015-01-21 20:27:11.767634013 +0100
@@ -1038,6 +1038,15 @@
 	    p 			/* type "help seeking-assistance" */
 	    );
 
+#ifdef GNUPLOT_LIB_DEFAULT
+   {
+	struct stat st;
+	if ((stat(GNUPLOT_LIB_DEFAULT, &st) == 0) && S_ISDIR(st.st_mode)) {
+	    fprintf(fp, "%s\n%s\tType `load \"all.dem\"` to display a large number of examples.", p, p);
+	    fprintf(fp, "\n%s\tThey are located at %s/*\n%s\n", p, GNUPLOT_LIB_DEFAULT, p);
+	}
+   }
+#endif
 
     /* show version long */
     if (almost_equals(c_token, "l$ong")) {
diff -ur ../gnuplot-5.0.0.orig/src/variable.c ./src/variable.c
--- ../gnuplot-5.0.0.orig/src/variable.c	2013-07-03 00:19:09.000000000 +0200
+++ ./src/variable.c	2015-01-21 20:27:11.767634013 +0100
@@ -37,7 +37,10 @@
 /* The Death of Global Variables - part one. */
 
 #include <string.h>
-
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include "variable.h"
 
 #include "alloc.h"
@@ -98,6 +101,17 @@
 	if (!loadpath)
 	{
 	    char *envlib = getenv("GNUPLOT_LIB");
+#ifdef GNUPLOT_LIB_DEFAULT
+	    char *defenvlib = (char*)0;
+	    struct stat st;
+	    if ((stat(GNUPLOT_LIB_DEFAULT, &st) == 0) && S_ISDIR(st.st_mode)) {
+		if (envlib) {
+		    if (asprintf(&defenvlib, "%s:%s", envlib, GNUPLOT_LIB_DEFAULT) > 0)
+			envlib = defenvlib;
+		} else
+		    envlib = GNUPLOT_LIB_DEFAULT;
+	    }
+#endif /* GNUPLOT_LIB_DEFAULT */
 	    if (envlib) {
 		int len = strlen(envlib);
 		loadpath = gp_strdup(envlib);
@@ -106,6 +120,10 @@
 		/* convert all PATHSEPs to \0 */
 		PATHSEP_TO_NUL(loadpath);
 	    }			/* else: NULL = empty */
+#ifdef GNUPLOT_LIB_DEFAULT
+	    if (defenvlib)
+		free(defenvlib);
+#endif /* GNUPLOT_LIB_DEFAULT */
 	}			/* else: already initialised; int_warn (?) */
 	/* point to env portion of loadpath */
 	envptr = loadpath;

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File gnuplot-4.6.0-demo.diff of Package gnuplot

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