171   axis->yhigh = ymax;  in PetscDrawAxisSetLimits()
199   if (ymax) *ymax = axis->yhigh;  in PetscDrawAxisGetLimits()
274   if (axis->ylow == axis->yhigh) {  in PetscDrawAxisDraw()
276     axis->yhigh += .5;  in PetscDrawAxisDraw()
303   yl = (dyl * axis->yhigh + dyr * axis->ylow - axis->ylow) / (dyl + dyr - 1);  in PetscDrawAxisDraw()
304   yr = (dyl * axis->yhigh + dyr * axis->ylow - axis->yhigh) / (dyl + dyr - 1);  in PetscDrawAxisDraw()
310   PetscCall(PetscDrawLine(draw, axis->xlow, axis->ylow, axis->xlow, axis->yhigh, ac));  in PetscDrawAxisDraw()
311   PetscCall(PetscDrawLine(draw, axis->xlow, axis->yhigh, axis->xhigh, axis->yhigh, ac));  in PetscDrawAxisDraw()
312   PetscCall(PetscDrawLine(draw, axis->xhigh, axis->ylow, axis->xhigh, axis->yhigh, ac));  in PetscDrawAxisDraw()
316     PetscReal x = (axis->xlow + axis->xhigh) / 2, y = axis->yhigh + 0.5 * th;  in PetscDrawAxisDraw()
329 …    PetscCall(PetscDrawLine(draw, tickloc[i], axis->yhigh, tickloc[i], axis->yhigh - .5 * th, tc));  in PetscDrawAxisDraw()
351     numy = (int)(.50 * (axis->yhigh - axis->ylow) / th);  in PetscDrawAxisDraw()
353 …PetscCall((*axis->yticks)(axis->ylow, axis->yhigh, numy, &ntick, tickloc, PETSC_DRAW_AXIS_MAX_SEGM…  in PetscDrawAxisDraw()
373     PetscReal x = axis->xlow - 2.0 * tw, y = (axis->ylow + axis->yhigh) / 2;  in PetscDrawAxisDraw()