absolute.json

{
    "id": "absolute",
    "summary": "Absolute value",
    "description": "Computes the absolute value of a real number `x`, which is the \"unsigned\" portion of x and often denoted as *|x|*.\n\nThe no-data value `null` is passed through and therefore gets propagated.",
    "categories": [
        "math"
    ],
    "parameters": [
        {
            "name": "x",
            "description": "A number.",
            "schema": {
                "type": [
                    "number",
                    "null"
                ]
            }
        }
    ],
    "returns": {
        "description": "The computed absolute value.",
        "schema": {
            "type": [
                "number",
                "null"
            ],
            "minimum": 0
        }
    },
    "examples": [
        {
            "arguments": {
                "x": 0
            },
            "returns": 0
        },
        {
            "arguments": {
                "x": 3.5
            },
            "returns": 3.5
        },
        {
            "arguments": {
                "x": -0.4
            },
            "returns": 0.4
        },
        {
            "arguments": {
                "x": -3.5
            },
            "returns": 3.5
        }
    ],
    "links": [
        {
            "rel": "about",
            "href": "http://mathworld.wolfram.com/AbsoluteValue.html",
            "title": "Absolute value explained by Wolfram MathWorld"
        }
    ],
    "process_graph": {
        "lt": {
            "process_id": "lt",
            "arguments": {
                "x": {
                    "from_parameter": "x"
                },
                "y": 0
            }
        },
        "multiply": {
            "process_id": "multiply",
            "arguments": {
                "x": {
                    "from_parameter": "x"
                },
                "y": -1
            }
        },
        "if": {
            "process_id": "if",
            "arguments": {
                "value": {
                    "from_node": "lt"
                },
                "accept": {
                    "from_node": "multiply"
                },
                "reject": {
                    "from_parameter": "x"
                }
            },
            "result": true
        }
    }
}