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arctan2.json
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arctan2.json
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{
"id": "arctan2",
"summary": "Inverse tangent of two numbers.",
"description": "Computes the arc tangent of two numbers `x` and `y`. It is similar to calculating the arc tangent of *y / x*, except that the signs of both arguments are used to determine the quadrant of the result.\n\nWorks on radians only.\nThe no-data value `null` is passed through and therefore gets propagated if any of the arguments is `null`.",
"categories": [
"math > trigonometric"
],
"parameter_order": ["y", "x"],
"parameters": {
"y": {
"description": "A number to be used as dividend.",
"schema": {
"type": [
"number",
"null"
]
},
"required": true
},
"x": {
"description": "A number to be used as divisor.",
"schema": {
"type": [
"number",
"null"
]
},
"required": true
}
},
"returns": {
"description": "The computed angle in radians.",
"schema": {
"type": [
"number",
"null"
]
}
},
"examples": [
{
"arguments": {
"y": 0,
"x": 0
},
"returns": 0
},
{
"arguments": {
"y": null,
"x": 1.5
},
"returns": null
}
],
"links": [
{
"rel": "about",
"href": "https://en.wikipedia.org/wiki/Atan2",
"title": "Two-argument inverse tangent explained by Wikipedia"
}
]
}