mirror of https://github.com/m-labs/artiq
63 lines
1.4 KiB
Python
63 lines
1.4 KiB
Python
helper_xn1 = 0
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helper_xn2 = 0
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helper_yn0 = 0
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helper_yn1 = 0
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helper_yn2 = 0
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previous_helper_tag = 0
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main_xn1 = 0
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main_xn2 = 0
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main_yn0 = 0
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main_yn1 = 0
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main_yn2 = 0
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def helper(helper_tag):
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global helper_xn1, helper_xn2, helper_yn0, \
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helper_yn1, helper_yn2, previous_helper_tag
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helper_xn0 = helper_tag - previous_helper_tag - 32768
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helper_yr = 4294967296
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helper_yn2 = helper_yn1
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helper_yn1 = helper_yn0
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helper_yn0 = (
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((284885689*((217319150*helper_xn0 >> 44) +
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(-17591968725107*helper_xn1 >> 44))) >> 44) +
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(-35184372088832*helper_yn1 >> 44) -
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(17592186044416*helper_yn2 >> 44))
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helper_xn2 = helper_xn1
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helper_xn1 = helper_xn0
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previous_helper_tag = helper_tag
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helper_yn0 = min(helper_yn0, helper_yr)
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helper_yn0 = max(helper_yn0, 0 - helper_yr)
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return helper_yn0
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def main(main_xn0):
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global main_xn1, main_xn2, main_yn0, main_yn1, main_yn2
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main_yr = 4294967296
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main_yn2 = main_yn1
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main_yn1 = main_yn0
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main_yn0 = (
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((133450380908*(((35184372088832*main_xn0) >> 44) +
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((17592186044417*main_xn1) >> 44))) >> 44) +
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((29455872930889*main_yn1) >> 44) -
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((12673794781453*main_yn2) >> 44))
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main_xn2 = main_xn1
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main_xn1 = main_xn0
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main_yn0 = min(main_yn0, main_yr)
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main_yn0 = max(main_yn0, 0 - main_yr)
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return main_yn0
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