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ptolemy 音标拼音: [t'ɑləmi] n. 人名 人名 Ptolemy n 1: Alexandrian astronomer ( of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance [ synonym: { Ptolemy}, { Claudius Ptolemaeus}] 2: an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra [ synonym: { Ptolemy}, { Ptolemaic dynasty}] A flexible foundation for the specification, simulation, and
rapid prototyping of systems. It is an { object- oriented}
framework within which diverse models of computation can
co- exist and interact. For example, using Ptolemy a
{ data- flow} system can be easily connected to a hardware
simulator which in turn may be connected to a discrete- event
system. Because of this, Ptolemy can be used to model entire
systems. In addition, Ptolemy now has code generation
capabilities. From a { flow graph} description, Ptolemy can
generate both { C} code and { DSP} { assembly code} for rapid
prototyping. Note that code generation is not yet complete,
and is included in the current release for demonstration
purposes only.
Version 0. 4. 1 includes a graphical algorithm layout, code
generator and simulator. It requires { C}, { C} and has been
ported to { Sun- 4}, { MIPS}/{ Ultrix}; { DSP56001}, { DSP96002}.
Ptolemy is an active research project.
{( ftp:// ptolemy. bekeley. edu/ pub/ ptolemy/)}. Mailing list:
ptolemy- hackers- request@ ohm. berkeley. edu. E- mail:
.
(1993-04-22)
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