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* defaults to Orc * bootstrap using refc * use gc * init orc defines * unregister orc * fix gc * fix commands * add prepareMutation for orc * enable deepcopy for orc * prepareMutation * more fixes * some cases * bug #20081 * partial fixes * partial fixes * fixes command line * more fixes * build Nim with refc * use gc * more fixes * rstore * orc doesn't support threadpool * more shallowCopy * more fixes * fixes unsafeNew * workarounds * small * more fixes * fixes some megatest * tcodegenbugs1 refc * fxies megatest * build nimble with refc * workaround tensordsl tests * replace shallowCopy with move * fixes action * workaround * add todo * fixes important packages * unpublic unregisterArcOrc * fixes cpp * enable windows Co-authored-by: xflywind <43030857+xflywind@users.noreply.github.com>
34 lines
671 B
Nim
34 lines
671 B
Nim
discard """
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matrix: "--mm:refc"
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errormsg: "(k)..(k) not disjoint from (k)..(k)"
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line: 24
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action: compile
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"""
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# bug #1597
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import strutils, math, threadpool
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type
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BoxedFloat = object
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value: float
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proc term(k: float): ptr BoxedFloat =
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var temp = 4 * math.pow(-1, k) / (2*k + 1)
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result = cast[ptr BoxedFloat](allocShared(sizeof(BoxedFloat)))
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result.value = temp
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proc pi(n: int): float =
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var ch = newSeq[ptr BoxedFloat](n+1)
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parallel:
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for k in 0..ch.high:
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ch[k] = (spawn term(float(k)))
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assert ch[k] != nil
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for k in 0..ch.high:
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var temp = ch[k][].value
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result += temp
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deallocShared(ch[k])
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echo formatFloat(pi(5000))
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