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ru_php/ext/standard/tests/math/round_modes.phpt

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--TEST--
round() with different rounding modes
--FILE--
<?php
$modes = [
"PHP_ROUND_HALF_UP" => PHP_ROUND_HALF_UP,
"PHP_ROUND_HALF_DOWN" => PHP_ROUND_HALF_DOWN,
"PHP_ROUND_HALF_EVEN" => PHP_ROUND_HALF_EVEN,
"PHP_ROUND_HALF_ODD" => PHP_ROUND_HALF_ODD,
"PositiveInfinity" => RoundingMode::PositiveInfinity,
"NegativeInfinity" => RoundingMode::NegativeInfinity,
"TowardsZero" => RoundingMode::TowardsZero,
"AwayFromZero" => RoundingMode::AwayFromZero,
];
$numbers = [
2.5,
-2.5,
3.5,
-3.5,
7,
-7,
15.51,
-15.51,
5,
-5,
0.61,
0.69,
0.65,
-0.65,
1.9999,
-1.9999,
0.0001,
-0.0001,
];
$precisions = [-1, 0, 1, 2, 10];
foreach ($modes as $modeKey => $mode) {
echo "mode: $modeKey\n";
foreach ($precisions as $precision) {
echo "\tprecision: $precision\n";
foreach ($numbers as $number) {
$result = round($number, $precision, $mode);
echo "\t\t" .
str_pad($number, 7, " ", STR_PAD_LEFT) .
" => $result\n";
}
echo "\n";
}
}
?>
--EXPECT--
mode: PHP_ROUND_HALF_UP
precision: -1
2.5 => 0
-2.5 => -0
3.5 => 0
-3.5 => -0
7 => 10
-7 => -10
15.51 => 20
-15.51 => -20
5 => 10
-5 => -10
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -0
1.9999 => 0
-1.9999 => -0
0.0001 => 0
-0.0001 => -0
precision: 0
2.5 => 3
-2.5 => -3
3.5 => 4
-3.5 => -4
7 => 7
-7 => -7
15.51 => 16
-15.51 => -16
5 => 5
-5 => -5
0.61 => 1
0.69 => 1
0.65 => 1
-0.65 => -1
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.5
-15.51 => -15.5
5 => 5
-5 => -5
0.61 => 0.6
0.69 => 0.7
0.65 => 0.7
-0.65 => -0.7
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
mode: PHP_ROUND_HALF_DOWN
precision: -1
2.5 => 0
-2.5 => -0
3.5 => 0
-3.5 => -0
7 => 10
-7 => -10
15.51 => 20
-15.51 => -20
5 => 0
-5 => -0
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -0
1.9999 => 0
-1.9999 => -0
0.0001 => 0
-0.0001 => -0
precision: 0
2.5 => 2
-2.5 => -2
3.5 => 3
-3.5 => -3
7 => 7
-7 => -7
15.51 => 16
-15.51 => -16
5 => 5
-5 => -5
0.61 => 1
0.69 => 1
0.65 => 1
-0.65 => -1
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.5
-15.51 => -15.5
5 => 5
-5 => -5
0.61 => 0.6
0.69 => 0.7
0.65 => 0.6
-0.65 => -0.6
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
mode: PHP_ROUND_HALF_EVEN
precision: -1
2.5 => 0
-2.5 => -0
3.5 => 0
-3.5 => -0
7 => 10
-7 => -10
15.51 => 20
-15.51 => -20
5 => 0
-5 => -0
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -0
1.9999 => 0
-1.9999 => -0
0.0001 => 0
-0.0001 => -0
precision: 0
2.5 => 2
-2.5 => -2
3.5 => 4
-3.5 => -4
7 => 7
-7 => -7
15.51 => 16
-15.51 => -16
5 => 5
-5 => -5
0.61 => 1
0.69 => 1
0.65 => 1
-0.65 => -1
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.5
-15.51 => -15.5
5 => 5
-5 => -5
0.61 => 0.6
0.69 => 0.7
0.65 => 0.6
-0.65 => -0.6
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
mode: PHP_ROUND_HALF_ODD
precision: -1
2.5 => 0
-2.5 => -0
3.5 => 0
-3.5 => -0
7 => 10
-7 => -10
15.51 => 20
-15.51 => -20
5 => 10
-5 => -10
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -0
1.9999 => 0
-1.9999 => -0
0.0001 => 0
-0.0001 => -0
precision: 0
2.5 => 3
-2.5 => -3
3.5 => 3
-3.5 => -3
7 => 7
-7 => -7
15.51 => 16
-15.51 => -16
5 => 5
-5 => -5
0.61 => 1
0.69 => 1
0.65 => 1
-0.65 => -1
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.5
-15.51 => -15.5
5 => 5
-5 => -5
0.61 => 0.6
0.69 => 0.7
0.65 => 0.7
-0.65 => -0.7
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 2
-1.9999 => -2
0.0001 => 0
-0.0001 => -0
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
mode: PositiveInfinity
precision: -1
2.5 => 10
-2.5 => -0
3.5 => 10
-3.5 => -0
7 => 10
-7 => -0
15.51 => 20
-15.51 => -10
5 => 10
-5 => -0
0.61 => 10
0.69 => 10
0.65 => 10
-0.65 => -0
1.9999 => 10
-1.9999 => -0
0.0001 => 10
-0.0001 => -0
precision: 0
2.5 => 3
-2.5 => -2
3.5 => 4
-3.5 => -3
7 => 7
-7 => -7
15.51 => 16
-15.51 => -15
5 => 5
-5 => -5
0.61 => 1
0.69 => 1
0.65 => 1
-0.65 => -0
1.9999 => 2
-1.9999 => -1
0.0001 => 1
-0.0001 => -0
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.6
-15.51 => -15.5
5 => 5
-5 => -5
0.61 => 0.7
0.69 => 0.7
0.65 => 0.7
-0.65 => -0.6
1.9999 => 2
-1.9999 => -1.9
0.0001 => 0.1
-0.0001 => -0
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 2
-1.9999 => -1.99
0.0001 => 0.01
-0.0001 => -0
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
mode: NegativeInfinity
precision: -1
2.5 => 0
-2.5 => -10
3.5 => 0
-3.5 => -10
7 => 0
-7 => -10
15.51 => 10
-15.51 => -20
5 => 0
-5 => -10
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -10
1.9999 => 0
-1.9999 => -10
0.0001 => 0
-0.0001 => -10
precision: 0
2.5 => 2
-2.5 => -3
3.5 => 3
-3.5 => -4
7 => 7
-7 => -7
15.51 => 15
-15.51 => -16
5 => 5
-5 => -5
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -1
1.9999 => 1
-1.9999 => -2
0.0001 => 0
-0.0001 => -1
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.5
-15.51 => -15.6
5 => 5
-5 => -5
0.61 => 0.6
0.69 => 0.6
0.65 => 0.6
-0.65 => -0.7
1.9999 => 1.9
-1.9999 => -2
0.0001 => 0
-0.0001 => -0.1
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.99
-1.9999 => -2
0.0001 => 0
-0.0001 => -0.01
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
mode: TowardsZero
precision: -1
2.5 => 0
-2.5 => -0
3.5 => 0
-3.5 => -0
7 => 0
-7 => -0
15.51 => 10
-15.51 => -10
5 => 0
-5 => -0
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -0
1.9999 => 0
-1.9999 => -0
0.0001 => 0
-0.0001 => -0
precision: 0
2.5 => 2
-2.5 => -2
3.5 => 3
-3.5 => -3
7 => 7
-7 => -7
15.51 => 15
-15.51 => -15
5 => 5
-5 => -5
0.61 => 0
0.69 => 0
0.65 => 0
-0.65 => -0
1.9999 => 1
-1.9999 => -1
0.0001 => 0
-0.0001 => -0
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.5
-15.51 => -15.5
5 => 5
-5 => -5
0.61 => 0.6
0.69 => 0.6
0.65 => 0.6
-0.65 => -0.6
1.9999 => 1.9
-1.9999 => -1.9
0.0001 => 0
-0.0001 => -0
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.99
-1.9999 => -1.99
0.0001 => 0
-0.0001 => -0
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
mode: AwayFromZero
precision: -1
2.5 => 10
-2.5 => -10
3.5 => 10
-3.5 => -10
7 => 10
-7 => -10
15.51 => 20
-15.51 => -20
5 => 10
-5 => -10
0.61 => 10
0.69 => 10
0.65 => 10
-0.65 => -10
1.9999 => 10
-1.9999 => -10
0.0001 => 10
-0.0001 => -10
precision: 0
2.5 => 3
-2.5 => -3
3.5 => 4
-3.5 => -4
7 => 7
-7 => -7
15.51 => 16
-15.51 => -16
5 => 5
-5 => -5
0.61 => 1
0.69 => 1
0.65 => 1
-0.65 => -1
1.9999 => 2
-1.9999 => -2
0.0001 => 1
-0.0001 => -1
precision: 1
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.6
-15.51 => -15.6
5 => 5
-5 => -5
0.61 => 0.7
0.69 => 0.7
0.65 => 0.7
-0.65 => -0.7
1.9999 => 2
-1.9999 => -2
0.0001 => 0.1
-0.0001 => -0.1
precision: 2
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 2
-1.9999 => -2
0.0001 => 0.01
-0.0001 => -0.01
precision: 10
2.5 => 2.5
-2.5 => -2.5
3.5 => 3.5
-3.5 => -3.5
7 => 7
-7 => -7
15.51 => 15.51
-15.51 => -15.51
5 => 5
-5 => -5
0.61 => 0.61
0.69 => 0.69
0.65 => 0.65
-0.65 => -0.65
1.9999 => 1.9999
-1.9999 => -1.9999
0.0001 => 0.0001
-0.0001 => -0.0001
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