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List Chunk Final Block Size Tool

Calculate list chunk final block size from explicit caller-supplied inputs.

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Description

Return ceil(length / size) chunks.

List-length arithmetic predicts how many positions a structural operation will create, discard, or leave unused. Empty lists and exact multiples need explicit counting conventions.

Return ceil(length / size) chunks.

When to use this tool

Use List Chunk Final Block Size when you need a list operation's count or padding budget.

How to use the tool and how it works

  1. Enter length, size. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read chunks, finalSize. Use the output convention below.

Return ceil(length / size) chunks. For nonempty input use ((length - 1) modulo size) + 1 as finalSize, otherwise zero.1

Input fieldMeaning and unitsAccepted input
lengthLength, count, or code length under the stated domain and unit convention.Required. Safe integer; minimum 0.
sizeSizeRequired. Safe integer; minimum 1.
Output fieldInterpretationReturned shape
chunksChunksRequired. Safe integer.
finalSizeFinal SizeRequired. Safe integer.
json
{
  "input": {
    "length": 10,
    "size": 4
  },
  "output": {
    "chunks": 3,
    "finalSize": 2
  }
}

Limitations and assumptions

  • An exact multiple has a full final chunk, not size zero; no chunk arrays are generated.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Inspect actual list lengths and choose the operation's empty-input and tail policies before transforming values.

References

  1. Calculation and input contract: list/list-chunk-final-block-size — tool.io

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