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[patch] Add reference for one project.
From: |
Edward Jason Riedy |
Subject: |
[patch] Add reference for one project. |
Date: |
Thu, 17 Aug 2000 13:48:11 -0700 |
Just adding a reference to one of Dr. Kahan's papers about complex
arithmetic. He gives routines / formulae that could be used for
the complex mappers.
Jason
* PROJECTS: Add reference for complex mapper functions.
--- ../CVS-srcs/octave/PROJECTS Thu Jan 20 23:48:26 2000
+++ PROJECTS Wed Aug 16 15:41:58 2000
@@ -23,7 +23,11 @@
* Improve logm, and sqrtm.
- * Improve complex mapper functions.
+ * Improve complex mapper functions. See W. Kahan, ``Branch Cuts for
+ Complex Elementary Functions, or Much Ado About Nothing's Sign
+ Bit'' (in The State of the Art in Numerical Analysis, eds. Iserles
+ and Powell, Clarendon Press, Oxford, 1987) for explicit
+ trigonometric formulae.
* Make functions like gamma() return the right IEEE Inf or NaN
values for extreme args or other undefined cases.
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