253   PetscReal   coors[4] = {0, 0, 0, 0}, tickloc[PETSC_DRAW_AXIS_MAX_SEGMENTS], sep, tw, th;  in PetscDrawAxisDraw()  local
325 …PetscCall((*axis->xticks)(axis->xlow, axis->xhigh, numx, &ntick, tickloc, PETSC_DRAW_AXIS_MAX_SEGM…  in PetscDrawAxisDraw()
328       PetscCall(PetscDrawLine(draw, tickloc[i], axis->ylow, tickloc[i], axis->ylow + .5 * th, tc));  in PetscDrawAxisDraw()
329 …    PetscCall(PetscDrawLine(draw, tickloc[i], axis->yhigh, tickloc[i], axis->yhigh - .5 * th, tc));  in PetscDrawAxisDraw()
334         if (i < ntick - 1) sep = tickloc[i + 1] - tickloc[i];  in PetscDrawAxisDraw()
335         else if (i > 0) sep = tickloc[i] - tickloc[i - 1];  in PetscDrawAxisDraw()
337         PetscCall((*axis->xlabelstr)(tickloc[i], sep, &p));  in PetscDrawAxisDraw()
338         PetscCall(PetscDrawStringCentered(draw, tickloc[i], axis->ylow - 1.5 * th, cc, p));  in PetscDrawAxisDraw()
353 …PetscCall((*axis->yticks)(axis->ylow, axis->yhigh, numy, &ntick, tickloc, PETSC_DRAW_AXIS_MAX_SEGM…  in PetscDrawAxisDraw()
356       PetscCall(PetscDrawLine(draw, axis->xlow, tickloc[i], axis->xlow + .5 * tw, tickloc[i], tc));  in PetscDrawAxisDraw()
357 …    PetscCall(PetscDrawLine(draw, axis->xhigh, tickloc[i], axis->xhigh - .5 * tw, tickloc[i], tc));  in PetscDrawAxisDraw()
362         if (i < ntick - 1) sep = tickloc[i + 1] - tickloc[i];  in PetscDrawAxisDraw()
363         else if (i > 0) sep = tickloc[i] - tickloc[i - 1];  in PetscDrawAxisDraw()
365         PetscCall((*axis->ylabelstr)(tickloc[i], sep, &p));  in PetscDrawAxisDraw()
368 …PetscCall(PetscDrawString(draw, axis->xlow - ((PetscReal)len + .5) * tw, tickloc[i] - .5 * th, cc,…  in PetscDrawAxisDraw()