Case-insensitive comparison of ustrings. For speed, this always uses a static locale that doesn't require a mutex lock.

Returns true iff this is NAN (not a number).

FIXME: Move setting to IO structure

Quick test for whether an integer is a power of 2.

Return just the ticks of the current lap (since the last call to start() or lap()), add that to the previous elapsed time, reset current start time to

Returns the text streamed into this AssertionResult. Test assertions use it when they fail (i.e., the predicate's outcome doesn't match the assertion'

Returns the test name.

Number of channels in the region. Beware -- this defaults to a huge number, and to be meaningful you must consider std::min (imagebuf.nchannels(), ro

Number of channels in the region. Beware -- this defaults to a huge number, and to be meaningful you must consider std::min (imagebuf.nchannels(), ro

Total number of pixels in the region.

Total number of pixels in the region.

Parse triples: i, i/j/k, i//k, i/j

Parse triples: i, i/j/k, i//k, i/j

Slight pause

Slight pause

Print literal part of format string and return next format spec position. Skips over any occurrences of '%%', printing a literal '%' to the output.

Print literal part of format string and return next format spec position. Skips over any occurrences of '%%', printing a literal '%' to the output.

Acquire the reader lock.

Acquire the reader lock.

Release the reader lock.

Release the reader lock.

Logical "and" reduction, i.e., 'and' all components together, resulting in a single bool.

Find the last occurrence of substring s *this, but only those occurrences earlier than position pos.