科技报告详细信息
User Manual for Physical Scalars and Plotting Tools in Scala
Paielli, Russell A
关键词: APPLICATIONS PROGRAMS (COMPUTERS);    ASYNCHRONOUS TRANSFER MODE;    COMPATIBILITY;    COMPUTER PROGRAMS;    DIMENSIONLESS NUMBERS;    ERRORS;    PROGRAM VERIFICATION (COMPUTERS);    SCALARS;    TRIGONOMETRIC FUNCTIONS;    UNIX (OPERATING SYSTEM);    USER MANUALS (COMPUTER PROGRAMS);   
RP-ID  :  ARC-E-DAA-TN65819
美国|英语
来源: NASA Technical Reports Server
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【 摘 要 】

An open-source scalar package and associated software tools have been developed in the Scala programming language, including plotting tools based on the free GRACE plotting package. The scalar package represents physical scalars and can help to prevent errors involving physical units in engineering and scientific computation. The scalar package includes a complete implementation of the standard SI metric system of units and many common non-metric units. The design also allows users to easily de ne a specialized or reduced set of physical units for any particular application or domain. The scalar package can be used in two different modes: one mode provides unit compatibility checking but is slower, and the other mode bypasses the compatibility checks but is much faster and still prevents the most common type of unit error. Switching between the two modes requires no changes in the user's code, making it convenient and usable with no significant performance penalty for even the most computationally intensive applications.

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