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divide.json
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divide.json
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{
"id": "divide",
"summary": "Division of a sequence of numbers",
"description": "Divides the first element in a sequential array of numbers by all other elements.\n\nThe computations should follow [IEEE Standard 754](https://ieeexplore.ieee.org/document/4610935) so that for example a division by zero should result in ±infinity if the processing environment supports it. Otherwise an exception must the thrown for incomputable results.\n\nBy default no-data values are ignored. Setting `ignore_nodata` to `false` considers no-data values so that `null` is returned if any element is such a value.",
"categories": [
"math",
"reducer"
],
"parameter_order": ["data", "ignore_nodata"],
"parameters": {
"data": {
"description": "An array of numbers with at least two elements.",
"schema": {
"type": "array",
"items": {
"type": [
"number",
"null"
]
},
"minItems": 2
},
"required": true
},
"ignore_nodata": {
"description": "Indicates whether no-data values are ignored or not. Ignores them by default. Setting this flag to `false` considers no-data values so that `null` is returned if any value is such a value.",
"schema": {
"type": "boolean",
"default": true
}
}
},
"returns": {
"description": "The computed result of the sequence of numbers.",
"schema": {
"type": [
"number",
"null"
]
}
},
"exceptions": {
"DivisorMissing": {
"message": "Division requires at least two numbers (a dividend and one or more divisors)."
}
},
"examples": [
{
"arguments": {
"data": [15,5]
},
"returns": 3
},
{
"arguments": {
"data": [-2,4,2.5]
},
"returns": -0.2
},
{
"arguments": {
"data": [1,null],
"ignore_nodata": false
},
"returns": null
}
],
"links": [
{
"rel": "about",
"href": "http://mathworld.wolfram.com/Division.html",
"title": "Division explained by Wolfram MathWorld"
},
{
"rel": "about",
"href": "https://ieeexplore.ieee.org/document/4610935",
"title": "IEEE Standard 754-2008 for Floating-Point Arithmetic"
}
]
}