tanh_variation.phpt 611 B

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  1. --TEST--
  2. Test variations in usage of tanh()
  3. --INI--
  4. precision = 10
  5. --FILE--
  6. <?php
  7. /*
  8. * Function is implemented in ext/standard/math.c
  9. */
  10. //Test tanh with a different input values
  11. $values = array(23,
  12. -23,
  13. 2.345e1,
  14. -2.345e1,
  15. 0x17,
  16. 027,
  17. "23",
  18. "23.45",
  19. "2.345e1",
  20. "1000",
  21. true,
  22. false);
  23. for ($i = 0; $i < count($values); $i++) {
  24. $res = tanh($values[$i]);
  25. var_dump($res);
  26. }
  27. ?>
  28. --EXPECT--
  29. float(1)
  30. float(-1)
  31. float(1)
  32. float(-1)
  33. float(1)
  34. float(1)
  35. float(1)
  36. float(1)
  37. float(1)
  38. float(1)
  39. float(0.7615941559557649)
  40. float(0)