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1.1 misho 1: --TEST-- 2: round() works correctly for large exponents 3: --FILE-- 4: <?php 5: var_dump (2e-22 == round (2e-22, 22, PHP_ROUND_HALF_UP)); 6: var_dump (1e-22 == round (1e-22, 22, PHP_ROUND_HALF_UP)); 7: var_dump (2e-23 == round (2e-23, 23, PHP_ROUND_HALF_UP)); 8: var_dump (1e-23 == round (1e-23, 23, PHP_ROUND_HALF_UP)); 9: var_dump (2e-24 == round (2e-24, 24, PHP_ROUND_HALF_UP)); 10: var_dump (1e-24 == round (1e-24, 24, PHP_ROUND_HALF_UP)); 11: var_dump (2e22 == round (2e22, -22, PHP_ROUND_HALF_UP)); 12: var_dump (1e22 == round (1e22, -22, PHP_ROUND_HALF_UP)); 13: var_dump (2e23 == round (2e23, -23, PHP_ROUND_HALF_UP)); 14: var_dump (1e23 == round (1e23, -23, PHP_ROUND_HALF_UP)); 15: var_dump (2e24 == round (2e24, -24, PHP_ROUND_HALF_UP)); 16: var_dump (1e24 == round (1e24, -24, PHP_ROUND_HALF_UP)); 17: ?> 18: --EXPECT-- 19: bool(true) 20: bool(true) 21: bool(true) 22: bool(true) 23: bool(true) 24: bool(true) 25: bool(true) 26: bool(true) 27: bool(true) 28: bool(true) 29: bool(true) 30: bool(true)