ComfyUI Node: Eval Floats (Mikey)

Eval Floats (Mikey):

The EvalFloats node is designed to perform mathematical evaluations on two floating-point numbers based on a user-defined formula. This node allows you to input two float values and a formula string, which can include basic arithmetic operations and references to the input values. The node then computes the result of the formula and provides it in multiple formats. This functionality is particularly useful for AI artists who need to perform custom calculations within their workflows, offering flexibility and precision in mathematical operations without requiring extensive coding knowledge.

Eval Floats (Mikey) Input Parameters:

a

This parameter represents the first floating-point number to be used in the formula. It serves as one of the primary inputs for the calculation. The default value is 0.0, and it can be adjusted to any float value as needed.

b

This parameter represents the second floating-point number to be used in the formula. Similar to parameter a, it is a crucial input for the calculation. The default value is 0.0, and it can be set to any float value according to the requirements of the formula.

formula

This parameter is a string that defines the mathematical formula to be evaluated. The formula can include basic arithmetic operations and should reference the input values a and b. For example, a formula could be a + b or `a * b

• 2. The default formula is a + b`, and it is not multiline, meaning it should be a single line of text.

Eval Floats (Mikey) Output Parameters:

result_float

This output parameter provides the result of the evaluated formula as a floating-point number. It represents the primary outcome of the calculation and is useful for further numerical operations or analysis.

result_int

This output parameter provides the result of the evaluated formula as an integer. It converts the floating-point result to an integer, which can be useful in scenarios where an integer value is required.

result_str

This output parameter provides the result of the evaluated formula as a string. It converts the floating-point result to a string format, which can be useful for display purposes or when the result needs to be concatenated with other text.

Eval Floats (Mikey) Usage Tips:

• Ensure that the formula string correctly references the input parameters a and b to avoid errors in the calculation.
• Use parentheses in the formula to control the order of operations and ensure the desired calculation is performed.
• Experiment with different formulas to understand how changes in the input values a and b affect the result.

Eval Floats (Mikey) Common Errors and Solutions:

Invalid syntax in formula

• Explanation: This error occurs when the formula string contains invalid syntax or unsupported operations.
• Solution: Double-check the formula for any syntax errors and ensure it only includes valid arithmetic operations and references to a and b.

Division by zero

• Explanation: This error occurs when the formula attempts to divide by zero, which is mathematically undefined.
• Solution: Ensure that the formula does not include division by zero by adding checks or modifying the input values to avoid zero in the denominator.

NameError: name 'a' is not defined

• Explanation: This error occurs when the formula does not correctly reference the input parameters a and b.
• Solution: Ensure that the formula string uses the exact names a and b to reference the input values.