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Author terry.reedy
Recipients ezio.melotti, mark.dickinson, packetslave, serhiy.storchaka, terry.reedy
Date 2013-08-05.02:08:22
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Can you add a reference for the coefficients?

I believe

def test_main():

if __name__ == "__main__":

has been and is being replaced in other test files with

if __name__ == "__main__":

and should be here.

This should get a short What's New entry in the library section, something like

"The number of digits in the coefficients for the RGB -- YIQ conversions have been expanded so that they match the FCC NTSC versions. The change in results should be less than 1% and may better match results found elsewhere."

(You claim about the current rounding is not exactly correct. While .28*g rounds .277 rather than .274, the current .52*g rounds the non-FCC .523 rather than the FCC .5251. So I avoided making the claim in the suggested entry. It is not important.)
Date User Action Args
2013-08-05 02:08:23terry.reedysetrecipients: + terry.reedy, mark.dickinson, ezio.melotti, serhiy.storchaka, packetslave
2013-08-05 02:08:23terry.reedysetmessageid: <>
2013-08-05 02:08:23terry.reedylinkissue14323 messages
2013-08-05 02:08:22terry.reedycreate