UberScalarMath.osl

shader UberScalarMath (
    int operation = 0
    [[
        string label = "Operation",
        string widget = "popup",
        string options = "\
        Add|Subtract|Multiply|Divide|Multiply Add|Power|Logarithm|Square Root|\
        Inverse Square Root|Absolute|Exponent|Minimum|Maximum|Less Than|\
        Greater Than|Sign|Compare|Round|Floor|\
        Ceil|Truncate|Fraction|Modulo|Wrap|Snap|Ping-Pong|Sine|Cosine|Tangent|\
        Arcsine|Arccosine|Arctangent|Arctan2|Hyperbolic Sine|Hyperbolic Cosine|\
        Hyperbolic Tangent|To Radians|To Degrees"
    ]],
    float input1 = 0.0
    [[
        float min = -1000.0,
        float max = 1000.0,
        float sensitivity = 0.1
    ]],
    float input2 = 0.0
    [[
        float min = -1000.0,
        float max = 1000.0,
        float sensitivity = 0.1
    ]],
    float input3 = 0.0
    [[
        float min = -1000.0,
        float max = 1000.0,
        float sensitivity = 0.1
    ]],
    output float Out = 0.0,
) {
    // Add
    // input1 = Value 1, input2 = Value 2
    if (operation == 0) {
        Out = input1 + input2;
    }
    //Subtract
    // input1 = Value 1, input2 = Value 2
    else if (operation == 1) {
        Out = input1 - input2;
    }
    // Multiply
    // input1 = Value 1, input2 = Value 2
    else if (operation == 2) {
        Out = input1 * input2;
    }
    // Divide
    // input1 = Value 1, input2 = Value 2
    else if (operation == 3) {
        Out = input1 / input2;
    }
    // Multiply Add
    // input1 = Value, input2 = Multiplier, input3 = Addend
    else if (operation == 4) {
        float temp = input1 * input2;
        Out = input3 + temp;
    }
    // Power
    // input1 = Base, input2 = Exponent
    else if (operation == 5) {
        Out = pow(input1, input2);
    }   
    // Logarithm
    // input1 = Value, input2 = Base
    else if (operation == 6) {
        Out = log(input1, input2);
    }   
    // Square Root
    // input1 = Value
    else if (operation == 7) {
        Out = sqrt(input1);
    }   
    // Inverse Square Root
    // input1 = Value
    else if (operation == 8) {
        Out = inversesqrt(input1);
    }   
    // Absolute
    // input1 = Value
    else if (operation == 9) {
        Out = abs(input1);
    }   
    // Exponent
    // input1 = Value
    else if (operation == 10) {
        Out = exp(input1);
    }   
    // Minimum
    // input1 = Value 1, input2 = Value 2
    else if (operation == 11) {
        Out = min(input1, input2);
    }   
    // Maximum
    // input1 = Value 1, input2 = Value 2
    else if (operation == 12) {
        Out = max(input1, input2);
    }   
    // Less Than
    // input1 = Value, input2 = Threshold
    else if (operation == 13) {
        Out = select(1.0, 0.0, input1 < input2);
    }   
    // Greater Than
    // input1 = Value, input2 = Threshold
    else if (operation == 14) {
        Out = select(1.0, 0.0, input1 > input2);
    }   
    // Sign
    // input1 = Value
    else if (operation == 15) {
        Out = sign(input1);
    }   
    // Compare
    // input1 = Value 1, input2 = Value 2, input3 = Epsilon
    else if (operation == 16) {
        Out = select(1.0, 0.0, (input1 - input2) <= input3);
    }
    // Round
    // input1 = Value
    else if (operation == 17) {
        Out = round(input1);
    }
    // Floor
    // input1 = Value
    else if (operation == 18) {
        Out = floor(input1);
    }
    // Ceil
    // input1 = Value
    else if (operation == 19) {
        Out = ceil(input1);
    }
    // Truncate
    // input1 = Value
    else if (operation == 20) {
        Out = trunc(input1);
    }
    // Fraction
    // input1 = Value
    else if (operation == 21) {
        float temp = trunc(input1);
        Out = input1 - temp;
    }
    // Modulo
    // input1 = Value 1, input2 = Value 2
    else if (operation == 22) {
        Out = mod(input1, input2);
    }
    // Wrap
    // input1 = Value, input2 = Min, input3 = Max
    else if (operation == 23) {
        Out = fmod(((fmod((input1 - input2), (input3 - input2))) + (input3 - input2)), (input3 - input2)) + input2;
    }
    // Snap
    // input1 = Value, input2 = Increment
    else if (operation == 24) {
        Out = (input1 + (input2 / 2)) - fmod((input1 + (input2 / 2)), input2);
    }
    // Ping-Pong
    // input1 = Value, input2 = Scale
    else if (operation == 25) {
        Out = 0.0 + fabs(fmod((input1 + input2), (input2 * 2)) - input2);
    }
    // Sine
    // input1 = Value
    else if (operation == 26) {
        Out = sin(input1);
    }
    // Cosine
    // input1 = Value
    else if (operation == 27) {
        Out = cos(input1);
    }
    // Tangent
    // input1 = Value
    else if (operation == 28) {
        Out = tan(input1);
    }
    // Arcsine
    // input1 = Value
    else if (operation == 29) {
        Out = asin(input1);
    }
    // input1 = Value
    // Arccosine
    else if (operation == 30) {
        Out = acos(input1);
    }
    // Arctangent
    // input1 = Value
    else if (operation == 31) {
        Out = atan(input1);
    }
    // Arctan2
    // input1 = Value 1, input2 = Value 2
    else if (operation == 32) {
        Out = atan2(input1, input2);
    }
    // Hyperbolic Sine
    // input1 = Value
    else if (operation == 33) {
        Out = sinh(input1);
    }
    // Hyperbolic Cosine
    // input1 = Value
    else if (operation == 34) {
        Out = cosh(input1);
    }
    // Hyperbolic Tangent
    // input1 = Value
    else if (operation == 35) {
        Out = tanh(input1);
    }
    // To Radians
    // input1 = Value
    else if (operation == 36) {
        Out = radians(input1);
    }
    // To Degrees
    // input1 = Value
    else if (operation == 37) {
        Out = degrees(input1);
    }
}