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The Unidata UDUNITS Package
The UDUNITS package supports units of physical quantities (e.g., meters, seconds). Specifically, it supports conversion between string and binary representations of units, arithmetic manipulation of units, and conversion of numeric values between compatible units. The package is written in the C programming language.
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Package Versions
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There are two major versions of the package:
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UDUNITS-2
The current package, which has an improved
API,
support for logarithmic units, support for multiple character sets, an
XML database, and a
conversion utility.
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UDUNITS
The original package, now deprecated.
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UDUNITS Availability
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The latest release is available from the Unidata downloads
page.
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