math.js 1.3 KB

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  1. /*
  2. * Copyright (C) 2015 Malte Veerman <maldela@halloarsch.de>
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU Lesser General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU Lesser General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Lesser General Public License along
  15. * with this program; if not, write to the Free Software Foundation, Inc.,
  16. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17. *
  18. */
  19. function bound(floor, value, ceiling) {
  20. if (value >= floor) {
  21. if (value <= ceiling) return value;
  22. else return ceiling;
  23. }
  24. return floor;
  25. }
  26. function intervals(lower, upper, delta) {
  27. var array = [lower];
  28. for (var i=lower+1; i<upper; i++) {
  29. if (i % delta == 0) {
  30. array.push(i);
  31. }
  32. }
  33. array.push(upper);
  34. return array;
  35. }
  36. function maxWidth(items) {
  37. var maxWidth = 0;
  38. for (var i=0; i<items.length; i++) {
  39. maxWidth = Math.max(items[i].width, maxWidth);
  40. }
  41. return maxWidth;
  42. }