132 lines
3.8 KiB
Gherkin
132 lines
3.8 KiB
Gherkin
Feature: inverted square root calculation
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Scenario: Calculate fast inverted sqrt
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Given a number
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When we calculate the inverted square root of it using the fast inverted square root algorithm
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Then the result is about the same as if we calculate it normally
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Scenario: Calculate regular inverted sqrt
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Given a number
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When we calculate the inverted square root of it normally
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Then the result can be calculated
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Scenario: Can the fast inverted sqrt be calculated?
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Given a number
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When we calculate the inverted square root of it using the fast inverted square root algorithm
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Then the result can be calculated
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Scenario: Can the regular inverted sqrt be calculated?
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Given a number
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When we calculate the inverted square root of it normally
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Then the result can be calculated
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Scenario: Calculate fast inverted sqrt with specific numbers
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Given the number n
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| n |
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| 1 |
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| 1.1 |
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| 100 |
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| 1337 |
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| 123.45678900 |
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| 1337.1337 |
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When we calculate the inverted square root of it using the fast inverted square root algorithm
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Then the result is about the same as m
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| m |
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| 1 |
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| 0.9534625892455922 |
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| 0.1 |
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| 0.02734854943722097 |
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| 0.0900000004095 |
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| 0.027347182112297627 |
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Scenario: Calculate regular inverted sqrt with specific numbers
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Given the number n
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| n |
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| 1 |
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| 1.1 |
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| 100 |
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| 1337 |
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| 123.45678900 |
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| 1337.1337 |
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When we calculate the inverted square root of it normally
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Then the result is m
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| m |
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| 1 |
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| 0.9534625892455922 |
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| 0.1 |
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| 0.02734854943722097 |
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| 0.0900000004095 |
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| 0.027347182112297627 |
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Scenario: Some numbers are about the same (0)
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Given the number n
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| n |
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| 1 |
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| 0.9 |
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| 1.0001 |
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| 1.1001 |
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| 1.1050 |
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| 0.999 |
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| 0.9999999999 |
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Then they are about the same
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Scenario: Some numbers are about the same (1)
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Given the number n
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| n |
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| 10 |
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| 10.0001 |
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| 9.997 |
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| 10.025 |
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Then they are about the same
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Scenario: Some numbers are about the same (-3)
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Given the number n
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| n |
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| -1000 |
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| -1000.1 |
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| -1001.1 |
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Then they are about the same
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Scenario: Some numbers are about the same (3)
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Given the number n
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| n |
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| -1000 |
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| -1000.1 |
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| -1001.1 |
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Then they are about the same
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Scenario: Some numbers are about the same (7)
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Given the number n
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| n |
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| 10000000 |
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| 10000000 |
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| 10000300 |
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| 10000000.1 |
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| 10000001.1 |
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Then they are about the same
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Scenario: Some numbers are not about the same (1)
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Given the number n
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| n |
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| 2 |
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| -2 |
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| 0 |
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| 20 |
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| 20000 |
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Then they are not about the same
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Scenario: Some numbers are not about the same (7)
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Given the number n
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| n |
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| 10000000 |
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| 10001000 |
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| 0 |
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| 20000001.1 |
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Then they are not about the same
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Scenario: Test if we can use the asterisk
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Given a number
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* a number
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When we calculate the inverted square root of it normally
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Then they are not about the same
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