VAX data format library
Author halleysfifthinc
2 Stars
Updated Last
2 Years Ago
Started In
June 2018



VaxData.jl is a direct port to Julia from libvaxdata [^1]. See this report for an in-depth review of the underlying structure and differences between VAX data types and IEEE types.

There are 5 Vax datatypes implemented by this package:

primitive type VaxInt16 <: VaxInt 16 end
primitive type VaxInt32 <: VaxInt 32 end

primitive type VaxFloatF <: VaxFloat 32 end
primitive type VaxFloatG <: VaxFloat 64 end
primitive type VaxFloatD <: VaxFloat 64 end

Conversion to and from each type is defined; Vax types are promoted to the next appropriately sized type supporting math operations:

promote_type(VaxFloatF, Float32)

promote_type(VaxFloatF, VaxFloatF)

promote_type(VaxFloatF, Float64)

[^1]: Baker, L.M., 2005, libvaxdata: VAX Data Format Conversion Routines: U.S. Geological Survey Open-File Report 2005-1424 (

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