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24 lines
518 B
Nim
24 lines
518 B
Nim
discard """
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output: "8.0"
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"""
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# bug #2057
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proc mpf_get_d(x: int): float = float(x)
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proc mpf_cmp_d(a: int; b: float): int = 0
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template toFloatHelper(result: expr; tooSmall, tooLarge: stmt) {.immediate.} =
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result = mpf_get_d(a)
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if result == 0.0 and mpf_cmp_d(a,0.0) != 0:
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tooSmall
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if result == Inf:
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tooLarge
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proc toFloat*(a: int): float =
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toFloatHelper(result) do:
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raise newException(ValueError, "number too small")
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do:
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raise newException(ValueError, "number too large")
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echo toFloat(8)
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