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fix type inference regression in Ryu #37802

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Sep 29, 2020
Merged

fix type inference regression in Ryu #37802

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10 changes: 6 additions & 4 deletions base/ryu/utils.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -355,8 +355,9 @@ function pow5invsplit_lookup end
for T in (Float64, Float32, Float16)
e2_max = exponent_max(T) - precision(T) - 2
i_max = log10pow2(e2_max)
table = Any[pow5invsplit(T, i) for i = 0:i_max]
@eval pow5invsplit_lookup(::Type{$T}, i) = @inbounds($table[i+1])
table_sym = Symbol("pow5invsplit_table_", string(T))
@eval const $table_sym = Tuple(Any[pow5invsplit($T, i) for i = 0:$i_max])
@eval pow5invsplit_lookup(::Type{$T}, i) = @inbounds($table_sym[i+1])
end


Expand All @@ -382,8 +383,9 @@ function pow5split_lookup end
for T in (Float64, Float32, Float16)
e2_min = 1 - exponent_bias(T) - significand_bits(T) - 2
i_max = 1 - e2_min - log10pow5(-e2_min)
table = Any[pow5split(T, i) for i = 0:i_max]
@eval pow5split_lookup(::Type{$T}, i) = @inbounds($table[i+1])
table_sym = Symbol("pow5split_table_", string(T))
@eval const $table_sym = Tuple(Any[pow5split($T, i) for i = 0:$i_max])
@eval pow5split_lookup(::Type{$T}, i) = @inbounds($table_sym[i+1])
end

const DIGIT_TABLE = UInt8[
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