TOTALS (violations of the 2x-bisection bound in brackets)
  corpus                            A'               A           plain    Chandrupatla           Brent         TOMS748
  APS (154)                   2259 (0)        2380 (0)        2634 (0)        2595 (0)        2707 (0)        2636 (0)
  Chandrupatla (45)           1074 (0)        1109 (0)        2357 (0)        1505 (0)       3238 (18)       3088 (15)
  new corpus 1 (206)          3290 (0)        3380 (0)        5389 (0)        3716 (0)       6395 (38)       5746 (22)
  Roots.jl (78)               1371 (0)        1464 (0)        1884 (0)        1566 (0)       2455 (11)        2339 (9)
  applied+GSL (132)           1382 (0)        1580 (0)        1590 (0)        1382 (0)        1503 (1)        1756 (1)
  FOURTH (240)                3656 (0)        4547 (0)        7711 (0)        5717 (0)       8267 (50)       8084 (37)

A' PER PROBLEM against each rival: wins/ties/losses (sign-test p); total difference
  APS (154)             chand 103/20/31 p=3e-10 -13%  brent 118/17/19 p=1e-18 -17%  toms7 127/6/21 p=1e-19 -14%
  Chandrupatla (45)     chand 31/4/10 p=0.001 -29%  brent 39/3/3 p=6e-09 -67%  toms7 42/2/1 p=1e-11 -65%
  new corpus 1 (206)    chand 108/33/65 p=0.001 -11%  brent 141/33/32 p=2e-17 -49%  toms7 164/25/17 p=2e-31 -43%
  Roots.jl (78)         chand 44/14/20 p=0.004 -12%  brent 58/7/13 p=6e-08 -44%  toms7 65/3/10 p=5e-11 -41%
  applied+GSL (132)     chand 48/52/32 p=0.09 +0%  brent 59/52/21 p=3e-05 -8%  toms7 111/16/5 p=4e-27 -21%
  FOURTH (240)          chand 177/35/28 p=1e-27 -36%  brent 143/60/37 p=7e-16 -56%  toms7 178/44/18 p=3e-34 -55%

ALL SIX CORPORA (1055 problems): Aprime 13032  A 14460  base 21565  chandrupatla 16481  brent 24565  toms748 23649