| 1 | # from the article text |
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| 2 | # http://www.pldesignline.com/howto/showArticle.jhtml?articleID=175801189 |
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| 3 | is(round_half_up_symmetric(3.5), 4); |
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| 4 | is(round_half_up_symmetric(-3.5), -4); |
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| 5 | is(round_half_up_asymmetric(3.5), 4); |
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| 6 | is(round_half_up_asymmetric(-3.5), -3); |
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| 7 | |
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| 8 | is(round_half_down_symmetric(3.5), 3); |
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| 9 | is(round_half_down_symmetric(-3.5), -3); |
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| 10 | is(round_half_down_asymmetric(3.5), 3); |
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| 11 | is(round_half_down_asymmetric(-3.5), -4); |
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| 12 | |
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| 13 | is(round_half_even(3.5), 4); |
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| 14 | is(round_half_even(4.5), 4); |
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| 15 | is(round_half_even(-3.5), -4); |
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| 16 | is(round_half_even(-4.5), -4); |
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| 17 | |
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| 18 | is(round_half_odd(3.5), 3); |
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| 19 | is(round_half_odd(4.5), 5); |
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| 20 | is(round_half_odd(-3.5), -3); |
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| 21 | is(round_half_odd(-4.5), -5); |
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| 22 | |
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| 23 | is(round_alternate(3.5), 4, 'alternate: first round up'); |
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| 24 | is(round_alternate(3.5), 3, 'alternate: then round down'); |
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| 25 | is(round_alternate(3.5), 4, 'alternate: then round up'); |
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| 26 | is(round_alternate(3.5), 3, 'alternate: then round down'); |
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| 27 | is(round_alternate(3.5), 4, 'alternate: then round up'); |
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| 28 | is(round_alternate(3.5), 3, 'alternate: then round down'); |
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| 29 | |
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| 30 | # FIXME |
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| 31 | # how do I reset the state $round_up variable? |
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| 32 | # is(round_alternate(-3.5), -4, 'alternate with neg: first round up'); |
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| 33 | # is(round_alternate(-3.5), -3, 'alternate with neg: then round down'); |
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| 34 | # is(round_alternate(-3.5), -4, 'alternate with neg: then round up'); |
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| 35 | # is(round_alternate(-3.5), -3, 'alternate with neg: then round down'); |
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| 36 | # is(round_alternate(-3.5), -4, 'alternate with neg: then round up'); |
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| 37 | # is(round_alternate(-3.5), -3, 'alternate with neg: then round down'); |
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| 38 | |
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| 39 | is(round_random(3.5), any(3,4)); |
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| 40 | is(round_random(4.5), any(4,5)); |
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| 41 | is(round_random(5.5), any(5,6)); |
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| 42 | is(round_random(6.5), any(6,7)); |
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| 43 | is(round_random(7.5), any(7,8)); |
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| 44 | is(round_random(8.5), any(8,9)); |
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| 45 | |
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| 46 | is(round_ceiling(3.0), 3); |
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| 47 | is(round_ceiling(3.1), 4); |
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| 48 | is(round_ceiling(3.2), 4); |
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| 49 | is(round_ceiling(3.3), 4); |
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| 50 | is(round_ceiling(3.4), 4); |
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| 51 | is(round_ceiling(3.5), 4); |
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| 52 | is(round_ceiling(3.6), 4); |
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| 53 | is(round_ceiling(3.7), 4); |
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| 54 | is(round_ceiling(3.8), 4); |
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| 55 | is(round_ceiling(3.9), 4); |
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| 56 | is(round_ceiling(-3.0), -3); |
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| 57 | is(round_ceiling(-3.1), -3); |
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| 58 | is(round_ceiling(-3.2), -3); |
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| 59 | is(round_ceiling(-3.3), -3); |
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| 60 | is(round_ceiling(-3.4), -3); |
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| 61 | is(round_ceiling(-3.5), -3); |
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| 62 | is(round_ceiling(-3.6), -3); |
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| 63 | is(round_ceiling(-3.7), -3); |
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| 64 | is(round_ceiling(-3.8), -3); |
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| 65 | is(round_ceiling(-3.9), -3); |
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| 66 | |
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| 67 | is(round_floor(-3.0), -3); |
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| 68 | is(round_floor(-3.1), -4); |
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| 69 | is(round_floor(-3.2), -4); |
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| 70 | is(round_floor(-3.3), -4); |
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| 71 | is(round_floor(-3.4), -4); |
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| 72 | is(round_floor(-3.5), -4); |
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| 73 | is(round_floor(-3.6), -4); |
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| 74 | is(round_floor(-3.7), -4); |
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| 75 | is(round_floor(-3.8), -4); |
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| 76 | is(round_floor(-3.9), -4); |
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| 77 | is(round_floor(3.0), 3); |
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| 78 | is(round_floor(3.1), 3); |
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| 79 | is(round_floor(3.2), 3); |
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| 80 | is(round_floor(3.3), 3); |
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| 81 | is(round_floor(3.4), 3); |
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| 82 | is(round_floor(3.5), 3); |
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| 83 | is(round_floor(3.6), 3); |
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| 84 | is(round_floor(3.7), 3); |
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| 85 | is(round_floor(3.8), 3); |
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| 86 | is(round_floor(3.9), 3); |
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| 87 | |
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| 88 | is(round_toward_zero(3.1), 3); |
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| 89 | is(round_toward_zero(3.2), 3); |
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| 90 | is(round_toward_zero(3.3), 3); |
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| 91 | is(round_toward_zero(3.4), 3); |
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| 92 | is(round_toward_zero(3.5), 3); |
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| 93 | is(round_toward_zero(3.6), 3); |
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| 94 | is(round_toward_zero(3.7), 3); |
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| 95 | is(round_toward_zero(3.8), 3); |
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| 96 | is(round_toward_zero(3.9), 3); |
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| 97 | is(round_toward_zero(-3.1), -3); |
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| 98 | is(round_toward_zero(-3.2), -3); |
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| 99 | is(round_toward_zero(-3.3), -3); |
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| 100 | is(round_toward_zero(-3.4), -3); |
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| 101 | is(round_toward_zero(-3.5), -3); |
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| 102 | is(round_toward_zero(-3.6), -3); |
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| 103 | is(round_toward_zero(-3.7), -3); |
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| 104 | is(round_toward_zero(-3.8), -3); |
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| 105 | is(round_toward_zero(-3.9), -3); |
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| 106 | |
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| 107 | is(round_away_from_zero(3.1), 4); |
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| 108 | is(round_away_from_zero(3.2), 4); |
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| 109 | is(round_away_from_zero(3.3), 4); |
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| 110 | is(round_away_from_zero(3.4), 4); |
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| 111 | is(round_away_from_zero(3.5), 4); |
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| 112 | is(round_away_from_zero(3.6), 4); |
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| 113 | is(round_away_from_zero(3.7), 4); |
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| 114 | is(round_away_from_zero(3.8), 4); |
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| 115 | is(round_away_from_zero(3.9), 4); |
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| 116 | is(round_away_from_zero(-3.1), -4); |
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| 117 | is(round_away_from_zero(-3.2), -4); |
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| 118 | is(round_away_from_zero(-3.3), -4); |
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| 119 | is(round_away_from_zero(-3.4), -4); |
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| 120 | is(round_away_from_zero(-3.5), -4); |
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| 121 | is(round_away_from_zero(-3.6), -4); |
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| 122 | is(round_away_from_zero(-3.7), -4); |
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| 123 | is(round_away_from_zero(-3.8), -4); |
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| 124 | is(round_away_from_zero(-3.9), -4); |
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| 125 | |
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| 126 | is(sign(3.0), 1); |
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| 127 | is(sign(0.0), 0); |
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| 128 | is(sign(-3.0), -1); |
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| 129 | |
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| 130 | # from the table |
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| 131 | # http://i.cmpnet.com/pldesignline/2006/01/max-round-tab01.gif |
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| 132 | |
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| 133 | is(round_half_up_symmetric(3.0), +3); |
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| 134 | is(round_half_up_symmetric(3.1), +3); |
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| 135 | is(round_half_up_symmetric(3.4), +3); |
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| 136 | is(round_half_up_symmetric(3.5), +4); |
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| 137 | is(round_half_up_symmetric(3.6), +4); |
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| 138 | is(round_half_up_symmetric(3.9), +4); |
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| 139 | is(round_half_up_symmetric(4.0), +4); |
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| 140 | is(round_half_up_symmetric(4.1), +4); |
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| 141 | is(round_half_up_symmetric(4.4), +4); |
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| 142 | is(round_half_up_symmetric(4.5), +5); |
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| 143 | is(round_half_up_symmetric(4.6), +5); |
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| 144 | is(round_half_up_symmetric(4.9), +5); |
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| 145 | is(round_half_up_symmetric(5.0), +5); |
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| 146 | is(round_half_up_symmetric(-3.0), -3); |
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| 147 | is(round_half_up_symmetric(-3.1), -3); |
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| 148 | is(round_half_up_symmetric(-3.4), -3); |
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| 149 | is(round_half_up_symmetric(-3.5), -4); |
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| 150 | is(round_half_up_symmetric(-3.6), -4); |
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| 151 | is(round_half_up_symmetric(-3.9), -4); |
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| 152 | is(round_half_up_symmetric(-4.0), -4); |
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| 153 | is(round_half_up_symmetric(-4.1), -4); |
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| 154 | is(round_half_up_symmetric(-4.4), -4); |
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| 155 | is(round_half_up_symmetric(-4.5), -5); |
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| 156 | is(round_half_up_symmetric(-4.6), -5); |
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| 157 | is(round_half_up_symmetric(-4.9), -5); |
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| 158 | is(round_half_up_symmetric(-5.0), -5); |
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| 159 | |
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| 160 | is(round_half_up_asymmetric(3.0), +3); |
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| 161 | is(round_half_up_asymmetric(3.1), +3); |
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| 162 | is(round_half_up_asymmetric(3.4), +3); |
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| 163 | is(round_half_up_asymmetric(3.5), +4); |
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| 164 | is(round_half_up_asymmetric(3.6), +4); |
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| 165 | is(round_half_up_asymmetric(3.9), +4); |
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| 166 | is(round_half_up_asymmetric(4.0), +4); |
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| 167 | is(round_half_up_asymmetric(4.1), +4); |
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| 168 | is(round_half_up_asymmetric(4.4), +4); |
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| 169 | is(round_half_up_asymmetric(4.5), +5); |
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| 170 | is(round_half_up_asymmetric(4.6), +5); |
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| 171 | is(round_half_up_asymmetric(4.9), +5); |
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| 172 | is(round_half_up_asymmetric(5.0), +5); |
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| 173 | is(round_half_up_asymmetric(-3.0), -3); |
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| 174 | is(round_half_up_asymmetric(-3.1), -3); |
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| 175 | is(round_half_up_asymmetric(-3.4), -3); |
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| 176 | is(round_half_up_asymmetric(-3.5), -3); |
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| 177 | is(round_half_up_asymmetric(-3.6), -4); |
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| 178 | is(round_half_up_asymmetric(-3.9), -4); |
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| 179 | is(round_half_up_asymmetric(-4.0), -4); |
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| 180 | is(round_half_up_asymmetric(-4.1), -4); |
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| 181 | is(round_half_up_asymmetric(-4.4), -4); |
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| 182 | is(round_half_up_asymmetric(-4.5), -4); |
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| 183 | is(round_half_up_asymmetric(-4.6), -5); |
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| 184 | is(round_half_up_asymmetric(-4.9), -5); |
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| 185 | is(round_half_up_asymmetric(-5.0), -5); |
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| 186 | |
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| 187 | is(round_half_down_symmetric(3.0), +3); |
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| 188 | is(round_half_down_symmetric(3.1), +3); |
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| 189 | is(round_half_down_symmetric(3.4), +3); |
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| 190 | is(round_half_down_symmetric(3.5), +3); |
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| 191 | is(round_half_down_symmetric(3.6), +4); |
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| 192 | is(round_half_down_symmetric(3.9), +4); |
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| 193 | is(round_half_down_symmetric(4.0), +4); |
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| 194 | is(round_half_down_symmetric(4.1), +4); |
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| 195 | is(round_half_down_symmetric(4.4), +4); |
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| 196 | is(round_half_down_symmetric(4.5), +4); |
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| 197 | is(round_half_down_symmetric(4.6), +5); |
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| 198 | is(round_half_down_symmetric(4.9), +5); |
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| 199 | is(round_half_down_symmetric(5.0), +5); |
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| 200 | is(round_half_down_symmetric(-3.0), -3); |
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| 201 | is(round_half_down_symmetric(-3.1), -3); |
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| 202 | is(round_half_down_symmetric(-3.4), -3); |
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| 203 | is(round_half_down_symmetric(-3.5), -3); |
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| 204 | is(round_half_down_symmetric(-3.6), -4); |
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| 205 | is(round_half_down_symmetric(-3.9), -4); |
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| 206 | is(round_half_down_symmetric(-4.0), -4); |
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| 207 | is(round_half_down_symmetric(-4.1), -4); |
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| 208 | is(round_half_down_symmetric(-4.4), -4); |
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| 209 | is(round_half_down_symmetric(-4.5), -4); |
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| 210 | is(round_half_down_symmetric(-4.6), -5); |
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| 211 | is(round_half_down_symmetric(-4.9), -5); |
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| 212 | is(round_half_down_symmetric(-5.0), -5); |
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| 213 | |
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| 214 | is(round_half_down_asymmetric(3.0), +3); |
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| 215 | is(round_half_down_asymmetric(3.1), +3); |
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| 216 | is(round_half_down_asymmetric(3.4), +3); |
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| 217 | is(round_half_down_asymmetric(3.5), +3); |
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| 218 | is(round_half_down_asymmetric(3.6), +4); |
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| 219 | is(round_half_down_asymmetric(3.9), +4); |
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| 220 | is(round_half_down_asymmetric(4.0), +4); |
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| 221 | is(round_half_down_asymmetric(4.1), +4); |
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| 222 | is(round_half_down_asymmetric(4.4), +4); |
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| 223 | is(round_half_down_asymmetric(4.5), +4); |
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| 224 | is(round_half_down_asymmetric(4.6), +5); |
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| 225 | is(round_half_down_asymmetric(4.9), +5); |
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| 226 | is(round_half_down_asymmetric(5.0), +5); |
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| 227 | is(round_half_down_asymmetric(-3.0), -3); |
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| 228 | is(round_half_down_asymmetric(-3.1), -3); |
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| 229 | is(round_half_down_asymmetric(-3.4), -3); |
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| 230 | is(round_half_down_asymmetric(-3.5), -4); |
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| 231 | is(round_half_down_asymmetric(-3.6), -4); |
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| 232 | is(round_half_down_asymmetric(-3.9), -4); |
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| 233 | is(round_half_down_asymmetric(-4.0), -4); |
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| 234 | is(round_half_down_asymmetric(-4.1), -4); |
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| 235 | is(round_half_down_asymmetric(-4.4), -4); |
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| 236 | is(round_half_down_asymmetric(-4.5), -5); |
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| 237 | is(round_half_down_asymmetric(-4.6), -5); |
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| 238 | is(round_half_down_asymmetric(-4.9), -5); |
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| 239 | is(round_half_down_asymmetric(-5.0), -5); |
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| 240 | |
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| 241 | is(round_half_even(3.0), +3); |
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| 242 | is(round_half_even(3.1), +3); |
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| 243 | is(round_half_even(3.4), +3); |
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| 244 | is(round_half_even(3.5), +4); |
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| 245 | is(round_half_even(3.6), +4); |
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| 246 | is(round_half_even(3.9), +4); |
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| 247 | is(round_half_even(4.0), +4); |
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| 248 | is(round_half_even(4.1), +4); |
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| 249 | is(round_half_even(4.4), +4); |
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| 250 | is(round_half_even(4.5), +4); |
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| 251 | is(round_half_even(4.6), +5); |
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| 252 | is(round_half_even(4.9), +5); |
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| 253 | is(round_half_even(5.0), +5); |
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| 254 | is(round_half_even(-3.0), -3); |
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| 255 | is(round_half_even(-3.1), -3); |
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| 256 | is(round_half_even(-3.4), -3); |
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| 257 | is(round_half_even(-3.5), -4); |
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| 258 | is(round_half_even(-3.6), -4); |
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| 259 | is(round_half_even(-3.9), -4); |
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| 260 | is(round_half_even(-4.0), -4); |
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| 261 | is(round_half_even(-4.1), -4); |
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| 262 | is(round_half_even(-4.4), -4); |
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| 263 | is(round_half_even(-4.5), -4); |
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| 264 | is(round_half_even(-4.6), -5); |
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| 265 | is(round_half_even(-4.9), -5); |
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| 266 | is(round_half_even(-5.0), -5); |
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| 267 | |
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| 268 | is(round_half_odd(3.0), +3); |
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| 269 | is(round_half_odd(3.1), +3); |
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| 270 | is(round_half_odd(3.4), +3); |
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| 271 | is(round_half_odd(3.5), +3); |
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| 272 | is(round_half_odd(3.6), +4); |
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| 273 | is(round_half_odd(3.9), +4); |
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| 274 | is(round_half_odd(4.0), +4); |
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| 275 | is(round_half_odd(4.1), +4); |
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| 276 | is(round_half_odd(4.4), +4); |
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| 277 | is(round_half_odd(4.5), +5); |
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| 278 | is(round_half_odd(4.6), +5); |
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| 279 | is(round_half_odd(4.9), +5); |
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| 280 | is(round_half_odd(5.0), +5); |
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| 281 | is(round_half_odd(-3.0), -3); |
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| 282 | is(round_half_odd(-3.1), -3); |
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| 283 | is(round_half_odd(-3.4), -3); |
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| 284 | is(round_half_odd(-3.5), -3); |
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| 285 | is(round_half_odd(-3.6), -4); |
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| 286 | is(round_half_odd(-3.9), -4); |
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| 287 | is(round_half_odd(-4.0), -4); |
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| 288 | is(round_half_odd(-4.1), -4); |
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| 289 | is(round_half_odd(-4.4), -4); |
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| 290 | is(round_half_odd(-4.5), -5); |
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| 291 | is(round_half_odd(-4.6), -5); |
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| 292 | is(round_half_odd(-4.9), -5); |
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| 293 | is(round_half_odd(-5.0), -5); |
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| 294 | |
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| 295 | is(round_ceiling(3.0), +3); |
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| 296 | is(round_ceiling(3.1), +4); |
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| 297 | is(round_ceiling(3.4), +4); |
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| 298 | is(round_ceiling(3.5), +4); |
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| 299 | is(round_ceiling(3.6), +4); |
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| 300 | is(round_ceiling(3.9), +4); |
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| 301 | is(round_ceiling(4.0), +4); |
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| 302 | is(round_ceiling(4.1), +5); |
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| 303 | is(round_ceiling(4.4), +5); |
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| 304 | is(round_ceiling(4.5), +5); |
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| 305 | is(round_ceiling(4.6), +5); |
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| 306 | is(round_ceiling(4.9), +5); |
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| 307 | is(round_ceiling(5.0), +5); |
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| 308 | is(round_ceiling(-3.0), -3); |
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| 309 | is(round_ceiling(-3.1), -3); |
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| 310 | is(round_ceiling(-3.4), -3); |
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| 311 | is(round_ceiling(-3.5), -3); |
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| 312 | is(round_ceiling(-3.6), -3); |
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| 313 | is(round_ceiling(-3.9), -3); |
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| 314 | is(round_ceiling(-4.0), -4); |
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| 315 | is(round_ceiling(-4.1), -4); |
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| 316 | is(round_ceiling(-4.4), -4); |
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| 317 | is(round_ceiling(-4.5), -4); |
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| 318 | is(round_ceiling(-4.6), -4); |
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| 319 | is(round_ceiling(-4.9), -4); |
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| 320 | is(round_ceiling(-5.0), -5); |
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| 321 | |
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| 322 | is(round_floor(3.0), +3); |
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| 323 | is(round_floor(3.1), +3); |
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| 324 | is(round_floor(3.4), +3); |
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| 325 | is(round_floor(3.5), +3); |
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| 326 | is(round_floor(3.6), +3); |
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| 327 | is(round_floor(3.9), +3); |
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| 328 | is(round_floor(4.0), +4); |
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| 329 | is(round_floor(4.1), +4); |
|---|
| 330 | is(round_floor(4.4), +4); |
|---|
| 331 | is(round_floor(4.5), +4); |
|---|
| 332 | is(round_floor(4.6), +4); |
|---|
| 333 | is(round_floor(4.9), +4); |
|---|
| 334 | is(round_floor(5.0), +5); |
|---|
| 335 | is(round_floor(-3.0), -3); |
|---|
| 336 | is(round_floor(-3.1), -4); |
|---|
| 337 | is(round_floor(-3.4), -4); |
|---|
| 338 | is(round_floor(-3.5), -4); |
|---|
| 339 | is(round_floor(-3.6), -4); |
|---|
| 340 | is(round_floor(-3.9), -4); |
|---|
| 341 | is(round_floor(-4.0), -4); |
|---|
| 342 | is(round_floor(-4.1), -5); |
|---|
| 343 | is(round_floor(-4.4), -5); |
|---|
| 344 | is(round_floor(-4.5), -5); |
|---|
| 345 | is(round_floor(-4.6), -5); |
|---|
| 346 | is(round_floor(-4.9), -5); |
|---|
| 347 | is(round_floor(-5.0), -5); |
|---|
| 348 | |
|---|
| 349 | is(round_toward_zero(3.0), +3); |
|---|
| 350 | is(round_toward_zero(3.1), +3); |
|---|
| 351 | is(round_toward_zero(3.4), +3); |
|---|
| 352 | is(round_toward_zero(3.5), +3); |
|---|
| 353 | is(round_toward_zero(3.6), +3); |
|---|
| 354 | is(round_toward_zero(3.9), +3); |
|---|
| 355 | is(round_toward_zero(4.0), +4); |
|---|
| 356 | is(round_toward_zero(4.1), +4); |
|---|
| 357 | is(round_toward_zero(4.4), +4); |
|---|
| 358 | is(round_toward_zero(4.5), +4); |
|---|
| 359 | is(round_toward_zero(4.6), +4); |
|---|
| 360 | is(round_toward_zero(4.9), +4); |
|---|
| 361 | is(round_toward_zero(5.0), +5); |
|---|
| 362 | is(round_toward_zero(-3.0), -3); |
|---|
| 363 | is(round_toward_zero(-3.1), -3); |
|---|
| 364 | is(round_toward_zero(-3.4), -3); |
|---|
| 365 | is(round_toward_zero(-3.5), -3); |
|---|
| 366 | is(round_toward_zero(-3.6), -3); |
|---|
| 367 | is(round_toward_zero(-3.9), -3); |
|---|
| 368 | is(round_toward_zero(-4.0), -4); |
|---|
| 369 | is(round_toward_zero(-4.1), -4); |
|---|
| 370 | is(round_toward_zero(-4.4), -4); |
|---|
| 371 | is(round_toward_zero(-4.5), -4); |
|---|
| 372 | is(round_toward_zero(-4.6), -4); |
|---|
| 373 | is(round_toward_zero(-4.9), -4); |
|---|
| 374 | is(round_toward_zero(-5.0), -5); |
|---|
| 375 | |
|---|
| 376 | is(round_away_from_zero(3.0), +3); |
|---|
| 377 | is(round_away_from_zero(3.1), +4); |
|---|
| 378 | is(round_away_from_zero(3.4), +4); |
|---|
| 379 | is(round_away_from_zero(3.5), +4); |
|---|
| 380 | is(round_away_from_zero(3.6), +4); |
|---|
| 381 | is(round_away_from_zero(3.9), +4); |
|---|
| 382 | is(round_away_from_zero(4.0), +4); |
|---|
| 383 | is(round_away_from_zero(4.1), +5); |
|---|
| 384 | is(round_away_from_zero(4.4), +5); |
|---|
| 385 | is(round_away_from_zero(4.5), +5); |
|---|
| 386 | is(round_away_from_zero(4.6), +5); |
|---|
| 387 | is(round_away_from_zero(4.9), +5); |
|---|
| 388 | is(round_away_from_zero(5.0), +5); |
|---|
| 389 | is(round_away_from_zero(-3.0), -3); |
|---|
| 390 | is(round_away_from_zero(-3.1), -4); |
|---|
| 391 | is(round_away_from_zero(-3.4), -4); |
|---|
| 392 | is(round_away_from_zero(-3.5), -4); |
|---|
| 393 | is(round_away_from_zero(-3.6), -4); |
|---|
| 394 | is(round_away_from_zero(-3.9), -4); |
|---|
| 395 | is(round_away_from_zero(-4.0), -4); |
|---|
| 396 | is(round_away_from_zero(-4.1), -5); |
|---|
| 397 | is(round_away_from_zero(-4.4), -5); |
|---|
| 398 | is(round_away_from_zero(-4.5), -5); |
|---|
| 399 | is(round_away_from_zero(-4.6), -5); |
|---|
| 400 | is(round_away_from_zero(-4.9), -5); |
|---|
| 401 | is(round_away_from_zero(-5.0), -5); |
|---|
