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move rest of tests to testament (#16140)

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* move rest of tests to testament
* Update tests/stdlib/tsums.nim
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flywind 2020-11-28 03:47:49 +08:00 • committed by GitHub
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12 changed files with 228 additions and 233 deletions
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lib/std/sums.nim
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@ -60,27 +60,3 @@ runnableExamples:
const data = [1, 2, 3, 4, 5, 6, 7, 8, 9]
doAssert sumKbn(data) == 45
doAssert sumPairs(data) == 45
when isMainModule:
from math import pow
var epsilon = 1.0
while 1.0 + epsilon != 1.0:
epsilon /= 2.0
let data = @[1.0, epsilon, -epsilon]
assert sumKbn(data) == 1.0
assert sumPairs(data) != 1.0 # known to fail
assert (1.0 + epsilon) - epsilon != 1.0
var tc1: seq[float]
for n in 1 .. 1000:
tc1.add 1.0 / n.float
assert sumKbn(tc1) == 7.485470860550345
assert sumPairs(tc1) == 7.485470860550345
var tc2: seq[float]
for n in 1 .. 1000:
tc2.add pow(-1.0, n.float) / n.float
assert sumKbn(tc2) == -0.6926474305598203
assert sumPairs(tc2) == -0.6926474305598204