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wrpll/filters: new code from Weida
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@ -1,30 +1,4 @@
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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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main_y0 = 23
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main_yr = 43
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def filter_main(xn0):
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global main_xn1, main_xn2, main_yn0, main_yn1, main_yn2
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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*xn0 >> 44) + (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 = xn0
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main_yn0 = min(main_yn0, main_y0 + main_yr)
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main_yn0 = max(main_yn0, main_y0 - main_yr)
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return main_yn0
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import random as rand
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helper_xn1 = 0
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helper_xn2 = 0
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@ -32,23 +6,81 @@ helper_yn0 = 0
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helper_yn1 = 0
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helper_yn2 = 0
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helper_y0 = 23
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helper_yr = 43
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previous_helper_tag = 0
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def filter_helper(xn0):
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global helper_xn1, helper_xn2, helper_yn0, helper_yn1, helper_yn2
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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 filter_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 - 1 << 15
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# This 1 << 15 is not an operation for filter. It is a constant.
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# However, different loop may use 1 << 14 or 1 << 15.
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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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((133450380908*((35184372088832*xn0 >> 44) + (17592186044417*helper_xn1 >> 44))) >> 44)
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+ (29455872930889*helper_yn1 >> 44)
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- (12673794781453*helper_yn2 >> 44))
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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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# There is a 44 with (). All the other 44 will be a same constant value.
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# But the () one can be different constant than others
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helper_xn2 = helper_xn1
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helper_xn1 = xn0
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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, - helper_yr)
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helper_yn0 = min(helper_yn0, helper_y0 + helper_yr)
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helper_yn0 = max(helper_yn0, helper_y0 - helper_yr)
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return helper_yn0
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def main_filter(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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# There is a 44 with (). All the other 44 will be a same constant value.
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# But the () one can be different constant than others
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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, - main_yr)
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return main_yn0
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def main():
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i = 0
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helper_data = []
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main_data = []
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while 1:
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helper_data.append(filter_helper(rand.randint(-128, 128)+i*32768))
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print(i, helper_data[i])
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main_data.append(main_filter(rand.randint(-128, 128)))
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print(i, main_data[i])
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i = i+1
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if __name__ == '__main__':
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main()
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