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f8fbd768a5
- avoid passing around a float[::1] memoryview across function barriers, this seems to require reference counting which has a large overhead - inline some functions - C division - float instead of double
11 lines
458 B
Cython
11 lines
458 B
Cython
cdef float clip(float a, float min_value, float max_value) nogil
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# This is used to avoid passing around float[::1] memoryviews in the critical path. These seem to
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# require reference counting which has a large performance overhead.
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cdef packed struct float3:
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float[3] data
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cdef float3 convert_rgb_to_cam16ucs(float[:, ::1] rgb_to_cam16ucs, float r, float g, float b) nogil
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cdef float colour_distance_squared(float[3] colour1, float[3] colour2) nogil
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