divkit/test_data/expression_test_data/functions_trigonometry.json

{
  "cases": [
    {
      "expression": "@{pi()}",
      "expected": {
        "type": "number",
        "value": 3.141592653589793
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{toRadians(0.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{toRadians(-90.0)}",
      "expected": {
        "type": "number",
        "value": -1.5707963267948966
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{toRadians(degrees)}",
      "expected": {
        "type": "number",
        "value": 1.5707963267948966
      },
      "variables": [
        {
          "name": "degrees",
          "type": "number",
          "value": 90.0
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{toDegrees(0.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{toDegrees(-pi() / 2)}",
      "expected": {
        "type": "number",
        "value": -90.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{toDegrees(radians)}",
      "expected": {
        "type": "number",
        "value": 90.0
      },
      "variables": [
        {
          "name": "radians",
          "type": "number",
          "value": 1.5707963267948966
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{sin(0.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{sin(-pi() / 2)}",
      "expected": {
        "type": "number",
        "value": -1.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{sin(var)}",
      "expected": {
        "type": "number",
        "value": 1.0
      },
      "variables": [
        {
          "name": "var",
          "type": "number",
          "value": 1.5707963267948966
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cos(0.0)}",
      "expected": {
        "type": "number",
        "value": 1.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cos(-pi() / 2)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cos(var)}",
      "expected": {
        "type": "number",
        "value": 0.5
      },
      "variables": [
        {
          "name": "var",
          "type": "number",
          "value": 1.0471975512
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{tan(0.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{tan(1.0)}",
      "expected": {
        "type": "number",
        "value": 1.55740772465
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{tan(var)}",
      "expected": {
        "type": "number",
        "value": -1.55740772465
      },
      "variables": [
        {
          "name": "var",
          "type": "number",
          "value": -1
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{asin(0.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{asin(1.0)}",
      "expected": {
        "type": "number",
        "value": 1.570796326795
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{asin(-0.5)}",
      "expected": {
        "type": "number",
        "value": -0.523598775598
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{asin(2.0)}",
      "expected": {
        "type": "error",
        "value": "Failed to evaluate [asin(2.0)]. Arcsine is undefined for the given value."
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{asin(sin_var)}",
      "expected": {
        "type": "number",
        "value": 1.5707963267948966
      },
      "variables": [
        {
          "name": "sin_var",
          "type": "number",
          "value": 1.0
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{acos(0.0)}",
      "expected": {
        "type": "number",
        "value": 1.570796326795
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{acos(1.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{acos(-0.5)}",
      "expected": {
        "type": "number",
        "value": 2.094395102393
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{acos(2.0)}",
      "expected": {
        "type": "error",
        "value": "Failed to evaluate [acos(2.0)]. Arccosine is undefined for the given value."
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{atan(0.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{atan(pi() / 4)}",
      "expected": {
        "type": "number",
        "value": 0.665773750028
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{atan(var)}",
      "expected": {
        "type": "number",
        "value": 0.5
      },
      "variables": [
        {
          "name": "var",
          "type": "number",
          "value": 0.54630248984
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{atan2(y,x)}",
      "expected": {
        "type": "number",
        "value": 0.78539816340
      },
      "variables": [
        {
          "name": "y",
          "type": "number",
          "value": 1.0
        },
        {
          "name": "x",
          "type": "number",
          "value": 1.0
        }
      ],
      "platforms": [
        "android",
        "web"
      ]
    },
    {
      "expression": "@{atan2(0.0,0.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "web"
      ]
    },
    {
      "expression": "@{atan2(0.0,1.0)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "web"
      ]
    },
    {
      "expression": "@{atan2(0.0,-1.0)}",
      "expected": {
        "type": "number",
        "value": 3.141592653589793
      },
      "platforms": [
        "android",
        "web"
      ]
    },
    {
      "expression": "@{atan2(1.0,0.0)}",
      "expected": {
        "type": "number",
        "value": 1.5707963267948966
      },
      "platforms": [
        "android",
        "web"
      ]
    },
    {
      "expression": "@{atan2(-1.0,0.0)}",
      "expected": {
        "type": "number",
        "value": -1.5707963267948966
      },
      "platforms": [
        "android",
        "web"
      ]
    },
    {
      "expression": "@{cot(0.0)}",
      "expected": {
        "type": "error",
        "value": "Failed to evaluate [cot(0.0)]. Cotangent is undefined for the given value."
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cot(pi())}",
      "expected": {
        "type": "error",
        "value": "Failed to evaluate [cot(3.141592653589793)]. Cotangent is undefined for the given value."
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cot(pi() / 2)}",
      "expected": {
        "type": "number",
        "value": 0.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cot(pi() / 4)}",
      "expected": {
        "type": "number",
        "value": 1.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cot(-pi() / 4)}",
      "expected": {
        "type": "number",
        "value": -1.0
      },
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    },
    {
      "expression": "@{cot(var)}",
      "expected": {
        "type": "number",
        "value": 0.57735026919
      },
      "variables": [
        {
          "name": "var",
          "type": "number",
          "value": 1.0471975512
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web"
      ]
    }
  ]
}