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10^-(324:307)
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10^-(324:307)
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2^-(1022:1075)
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2^-(1022:1075)
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# And because most libm pow() functions special-case integer powers.
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# And because most libm pow() functions special-case integer powers.
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10^-(324:307-0.01)/10^0.01
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10^-(324:307-0.01)/10^0.01
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# IEC60559 mandates this, but C99/C11 do not.
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# Mingw-w64 did not do so in v 2.0.1
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x <- 0*(-1) # negative zero
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sqrt(x)
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identical(x, sqrt(x))