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fix regression from commit `graphs: always plot one point before x1 and one point after x2 of simulation`: 2-dimensional dc-sweeps did miss first or last point

This commit is contained in:
stefan schippers 2024-12-18 01:55:05 +01:00
parent da6532d8d8
commit 7402385a82
1 changed files with 11 additions and 10 deletions
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21
src/draw.c
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@ -3909,27 +3909,28 @@ void draw_graph(int i, const int flags, Graph_ctx *gr, void *ct)
if(gr->logx) xx = mylog10(gv[p]);
else xx = gv[p];
xxprevious = xxfollowing = xx;
if(p == ofs) xx0 = gv0[p];
wrap = allow_wrap && (cnt > 1 && gv0[p] == xx0);
#if 1 /* plot one point before start and one point after end so
* waves will extend to whole graph area even if there are few points */
if( p > ofs) {
* waves will extend to whole graph area even if there are few points
* but NOT if we are about to wrap (missing 1st/last point in 2-var dc sweeps) */
if(!wrap && p > ofs) {
if(gr->logx) xxprevious = mylog10(gv[p - 1]);
else xxprevious = gv[p - 1];
}
if( p < ofs_end - 1) {
/* .................<-- next point will not wrap. */
if(p < ofs_end - 1 && gv0[p + 1] != xx0) {
if(gr->logx) xxfollowing = mylog10(gv[p + 1]);
else xxfollowing = gv[p + 1];
}
#endif
if(p == ofs) xx0 = gv0[p];
wrap = allow_wrap && (cnt > 1 && gv0[p] == xx0);
dbg(1, "draw_graph(): wrap=%d, xx=%g, xx0=%g, p=%d\n", wrap, xx, xx0, p);
/* if gr->mode == 2 (HistH) don't wrap */
if((gr->mode != 2) && first != -1) { /* there is something to plot ... */
if(xxprevious > end || xxfollowing < start || /* ... and we ran out of graph area ... */
wrap) { /* ... or sweep variable changed direction */
if((gr->mode != 2) && first != -1) { /* there is something to plot ... */
/* ... and we ran out of graph area ... */
/* ... or sweep variable changed direction */
if(xxprevious > end || xxfollowing < start || wrap) {
if(dataset == -1 || dataset == sweepvar_wrap) {
/* plot graph */
if(gr->rainbow) wave_color = 4 + (wc - 4 + sweepvar_wrap) % (cadlayers - 4);