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George Peter Banyard
3a4b89661e
This is barely used and more of a hinderence than anything else Closes GH-6712
59 lines
1.8 KiB
PHP
59 lines
1.8 KiB
PHP
--TEST--
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Simple math tests
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--FILE--
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<?php
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define('LONG_MAX', is_int(5000000000)? 9223372036854775807 : 0x7FFFFFFF);
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define('LONG_MIN', -LONG_MAX - 1);
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printf("%d,%d,%d,%d\n",is_int(LONG_MIN ),is_int(LONG_MAX ),
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is_int(LONG_MIN-1),is_int(LONG_MAX+1));
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function epsilon_equal($left, $right): bool {
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return abs(($left-$right) / $left) < 1e-12;
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}
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var_dump(epsilon_equal( -1 , ceil(-1.5) ));
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var_dump(epsilon_equal( 2 , ceil( 1.5) ));
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var_dump(epsilon_equal( -2 , floor(-1.5) ));
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var_dump(epsilon_equal( 1 , floor(1.5) ));
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var_dump(epsilon_equal( LONG_MIN , ceil(LONG_MIN - 0.5) ));
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var_dump(epsilon_equal( LONG_MIN+1 , ceil(LONG_MIN + 0.5) ));
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var_dump(epsilon_equal( LONG_MIN-1 , round(LONG_MIN - 0.6) ));
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var_dump(epsilon_equal( LONG_MIN , round(LONG_MIN - 0.4) ));
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var_dump(epsilon_equal( LONG_MIN , round(LONG_MIN + 0.4) ));
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var_dump(epsilon_equal( LONG_MIN+1 , round(LONG_MIN + 0.6) ));
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var_dump(epsilon_equal( LONG_MIN-1 , floor(LONG_MIN - 0.5) ));
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var_dump(epsilon_equal( LONG_MIN , floor(LONG_MIN + 0.5) ));
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var_dump(epsilon_equal( LONG_MAX , ceil(LONG_MAX - 0.5) ));
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var_dump(epsilon_equal( LONG_MAX+1 , ceil(LONG_MAX + 0.5) ));
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var_dump(epsilon_equal( LONG_MAX-1 , round(LONG_MAX - 0.6) ));
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var_dump(epsilon_equal( LONG_MAX , round(LONG_MAX - 0.4) ));
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var_dump(epsilon_equal( LONG_MAX , round(LONG_MAX + 0.4) ));
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var_dump(epsilon_equal( LONG_MAX+1 , round(LONG_MAX + 0.6) ));
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var_dump(epsilon_equal( LONG_MAX-1 , floor(LONG_MAX - 0.5) ));
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var_dump(epsilon_equal( LONG_MAX , floor(LONG_MAX + 0.5) ));
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?>
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--EXPECT--
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1,1,0,0
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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