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- let A0_width = 841 mm
- let A0_height = 1189 mm
- fn paper_width_A(n: Scalar) -> Length =
- floor(A0_width / 2^(n / 2))
- fn paper_height_A(n: Scalar) -> Length =
- floor(A0_height / 2^(n / 2))
- fn paper_area_A(n: Scalar) -> Area =
- paper_width_A(n) × paper_height_A(n)
- assert_eq(paper_width_A(3), 297 mm)
- assert_eq(paper_height_A(3), 420 mm)
- assert_eq(paper_width_A(4), 210 mm)
- assert_eq(paper_height_A(4), 297 mm)
- assert_eq(paper_width_A(5), 148 mm)
- assert_eq(paper_height_A(5), 210 mm)
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