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trigreduce(sin(x)*sin(sqrt(3)*x/2) takes forever #1577

Closed rtoy closed 2 days ago

rtoy commented 2 days ago

Imported from SourceForge on 2024-07-04 20:15:51 Created by rtoy on 2005-12-10 03:09:39 Original: https://sourceforge.net/p/maxima/bugs/835

trigreduce(sin(x)*sin(sqrt(3)*x/2) takes forever. But trigreduce(sin(x)*sin(y)) returns instantly.

trigreduce(sin(x)*sin(x/2)) - fast trigreduce(sin(x)*sin(sqrt(2)*x)) => fast trigreduce(sin(x)*sin(sqrt(2)/2*x)) => forever

rtoy commented 2 days ago

Imported from SourceForge on 2024-07-04 20:15:52 Created by rtoy on 2006-01-06 15:24:53 Original: https://sourceforge.net/p/maxima/bugs/835/#151b

rtoy commented 2 days ago

Imported from SourceForge on 2024-07-04 20:15:56 Created by rtoy on 2006-01-06 15:24:53 Original: https://sourceforge.net/p/maxima/bugs/835/#0bef

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This has been fixed in CVS by Barton Willis. See

http://article.gmane.org/gmane.comp.mathematics.maxima.general/9375