Merge pull request #93 from christiangnrd/redundant

Remove redundant operator definitions

Author: oscardssmith

src/bfloat16.jl

@@ -5,7 +5,7 @@ import Base: isfinite, isnan, precision, iszero, eps,
     exponent_one, exponent_half, leading_zeros,
     signbit, exponent, significand, frexp, ldexp,
     round, Int16, Int32, Int64,
-    +, -, *, /, ^, ==, <, <=, >=, >, !=, inv,
+    +, -, *, /, ^, ==, <, <=, inv,
     abs, abs2, uabs, sqrt, cbrt,
     exp, exp2, exp10, expm1,
     log, log2, log10, log1p,
@@ -269,8 +269,9 @@ function ==(x::BFloat16, y::BFloat16)
     return ix == iy
 end
 
-for op in (:<, :<=, :>, :>=, :!=)
-    @eval ($op)(a::BFloat16, b::BFloat16) = ($op)(Float32(a), Float32(b))
+<(a::BFloat16, b::BFloat16) = Float32(a) < Float32(b)
+@static if VERSION < v"1.8"
+    <=(a::BFloat16, b::BFloat16) = Float32(a) <= Float32(b)
 end
 
 Base.widen(::Type{BFloat16}) = Float32