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authorMarti Bolivar <mbolivar@leaflabs.com>2011-02-24 14:42:30 -0500
committerMarti Bolivar <mbolivar@leaflabs.com>2011-02-24 15:45:41 -0500
commit01c3eb389e314b4363eb670940b5bf7978b1678e (patch)
treeda12eb07a365fd40eb35051ec15b1be57db5be37 /source/lang/cpp
parentd66669360823f4a958f7c8e5699250bbb0d1ea7b (diff)
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Rewrote Print class.
The old Print class couldn't print uint64 values, and featured hand-hacked functionality better handled by snprintf(). Redid it using snprintf(), using "[u]int[8,16,32,64]" types for more clarity, and eliminated some private methods in favor of auxiliary functions in Print.cpp. Breaking compatibility with original implementation in three ways: - Print::print(double) is now accurate to 6 digits, rather than 2; this is consistent with the default behavior of the %f format specifier, and if you're using floating point, it's slow enough that you probably want the increased accuracy. - The only bases you can print a number to are 2, 8, 10, and 16. 8, 10, and 16 already have format specifiers, and 2 is an important special case; others complicate matters unnecessarily. - Printing numbers in bases other than 10 treats them as unsigned quantities (i.e., won't print '-' characters). This is more consistent with C++'s behavior for hexadecimal and octal literals (e.g., 0xFFFFFFFF has type uint32). Updated HardwareSerial and USBSerial class documentation to reflect the new behavior.
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