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BFloat16(::BigFloat) and BigFloat(::BFloat16) #63

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Sep 17, 2024
Merged

BFloat16(::BigFloat) and BigFloat(::BFloat16) #63

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89650b7
BFloat16(::BigFloat) and BigFloat(::BFloat16)
milankl Dec 28, 2023
e415c29
BigFloat-BFloat16 conversion tests added
milankl Dec 28, 2023
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4 changes: 4 additions & 0 deletions src/bfloat16.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -220,6 +220,10 @@ else
end
end

# BigFloat conversion
BFloat16(x::BigFloat) = BFloat16(Float32(x))
Base.BigFloat(x::BFloat16) = BigFloat(Float32(x))

# Basic arithmetic
if llvm_arithmetic
+(x::T, y::T) where {T<:BFloat16} = Base.add_float(x, y)
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2 changes: 2 additions & 0 deletions test/runtests.jl
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Expand Up @@ -27,6 +27,8 @@ end
@test Float64(BFloat16(10)) == 10.0
@test Int32(BFloat16(10)) == Int32(10)
@test Int64(BFloat16(10)) == Int64(10)
@test BFloat16(BigFloat(1)) == BFloat16(1)
@test BigFloat(BFloat16(1)) == BigFloat(1)
end

@testset "abi" begin
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