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Allow plotting a single point in an ascii plot 

(command .asciiplot)
This commit is contained in:
Holger Vogt 2024-10-09 16:58:20 +02:00
parent 7c9ac42fd1
commit 878ac0076a
1 changed files with 10 additions and 10 deletions
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20
src/frontend/plotting/agraf.c
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@ -86,12 +86,6 @@ ft_agraf(double *xlims, double *ylims, struct dvec *xscale, struct plot *plot, s
yrange[0] = ylims[0];
yrange[1] = ylims[1];
if (maxx < 2) {
fprintf(cp_err,
"Error: asciiplot can't handle scale with length < 2\n");
return;
}
if (maxx <= 0) {
fprintf(cp_err, "Note: no points to plot\n");
return;
@ -294,12 +288,18 @@ ft_agraf(double *xlims, double *ylims, struct dvec *xscale, struct plot *plot, s
for (i = 0; i < maxx; i++) {
if (nointerp)
x = isreal(xscale) ? xscale->v_realdata[i] :
realpart(xscale->v_compdata[i]);
realpart(xscale->v_compdata[i]);
else if (xlog && xrange[0] > 0.0 && xrange[1] > 0.0)
x = xrange[0] * pow(10.0, mylog10(xrange[1]/xrange[0])
* i / (maxx - 1));
if (maxx == 1)
x = (xrange[0] + xrange[1]) / 2.;
else
x = xrange[0] * pow(10.0, mylog10(xrange[1] / xrange[0])
* i / (maxx - 1));
else
x = xrange[0] + (xrange[1] - xrange[0]) * i / (maxx - 1);
if (maxx == 1)
x = (xrange[0] + xrange[1]) / 2.;
else
x = xrange[0] + (xrange[1] - xrange[0]) * i / (maxx - 1);
if (x < 0.0)
out_printf("%.3e ", x);