Remove unsafeCoerce from Data.constant#73
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Replace runtime type-tag dispatch + unsafeCoerce with three direct FFI functions: constant (takes Double, ArrayFire converts internally), constantComplex (preserves imaginary part via af_constant_complex), constantLong / constantULong (64-bit integers without Double rounding). Add tests covering all four functions including precision boundaries (maxBound/minBound for Int and Word64). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
dmjio
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unsafeCoerce from Data.constant
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Replace runtime type-tag dispatch + unsafeCoerce with three direct FFI functions: constant (takes Double, ArrayFire converts internally), constantComplex (preserves imaginary part via af_constant_complex), constantLong / constantULong (64-bit integers without Double rounding).
Add tests covering all four functions including precision boundaries (maxBound/minBound for Int and Word64).