Mon, 17 Jun 91 15:03:50 EDT

Related articles |
---|

Optimizing IEEE Floating-Point Operations bill@hcx2.SSD.CSD.HARRIS.COM (1991-06-14) |

INFs and NaNs richarda@cec825.atl.hp.com (1991-06-17) |

Re: INFs and NaNs presberg@compass.com (1991-06-18) |

Newsgroups: | comp.compilers |

From: | richarda@cec825.atl.hp.com |

Keywords: | arithmetic, dataflow |

Organization: | Compilers Central |

References: | 91-06-016 |

Date: | Mon, 17 Jun 91 15:03:50 EDT |

In article 91-06-016, bill@hcx2.SSD.CSD.HARRIS.COM writes:

*>As far as I know, there is only _one_ kind of mathematics. The FORTRAN*

*>standard is referring to real mathematics, not any particular means of*

*>approximating mathematics.*

Dealing with error values (such as INF, divzero, etc.) does not necessarily

preclude one from "mathematicality." I seem to recall that the folks working

on dataflow architectures rigorously defined the math for propogating error

values so that traps, etc., would not be necessary. I don't recall the author

but I believe the title of the paper was Error Values in Val.

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