Transcendental functions for Saloon#62

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sigilante merged 20 commits into

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sigilante/chebyshev-transcendentals

Jun 11, 2026

Commits on Jun 9, 2026

math: Chebyshev exp for @rs/@rd (bit-exact, faithful, range-guarded)

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committed

Commits on Jun 10, 2026

math: Chebyshev log for @rs/@rd (bit-exact, faithful, fully guarded)

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math: Chebyshev sin/cos for @rs/@rd (bit-exact, faithful, range-reduced)

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math: correctly-rounded sqrt; fix cbrt; lock derived log-2/log-10/pow

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math: faithful atan for @rs/@rd; atan2 derives from it

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harness: asin/acos @rd/@rs reference (fdlibm rational kernel)

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math: faithful asin/acos for @rs/@rd (fdlibm rational kernel)

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math: more accurate log-2/log-10 (add integer part exactly)

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math: dedicated tan kernel for @rd (faithful); @rs keeps sin/cos ratio

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math: @rh (f16) transcendentals via the @rs door

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harness: f128 (@rq) layer + exp reference

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tools: C/SoftFloat-f128 reference for @rq (the jet basis)

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tools: add log to the @rq SoftFloat reference (exp+log faithful)

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tools: extend @rq SoftFloat reference to sin/cos/sqrt

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math: faithful @rq (f128) exp -- first arm of the rq port

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math: faithful @rq log (2nd rq arm)

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math: faithful @rq sqrt + sin/cos (rq port continues)

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math: @rq derived fns (log-2/log-10/pow/pow-n/cbrt) + lr helper

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math: faithful @rq atan + atan2 (12/15 rq fns)

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math: faithful @rq asin/acos -- @rq port complete (15/15)

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Transcendental functions for Saloon#62

Transcendental functions for Saloon#62
sigilante merged 20 commits into
mainfrom
sigilante/chebyshev-transcendentals

Commits on Jun 9, 2026

math: Chebyshev exp for @rs/@rd (bit-exact, faithful, range-guarded)

Commits on Jun 10, 2026

math: Chebyshev log for @rs/@rd (bit-exact, faithful, fully guarded)

math: Chebyshev sin/cos for @rs/@rd (bit-exact, faithful, range-reduced)

math: correctly-rounded sqrt; fix cbrt; lock derived log-2/log-10/pow

math: faithful atan for @rs/@rd; atan2 derives from it

harness: asin/acos @rd/@rs reference (fdlibm rational kernel)

math: faithful asin/acos for @rs/@rd (fdlibm rational kernel)

math: more accurate log-2/log-10 (add integer part exactly)

math: dedicated tan kernel for @rd (faithful); @rs keeps sin/cos ratio

math: @rh (f16) transcendentals via the @rs door

harness: f128 (@rq) layer + exp reference

tools: C/SoftFloat-f128 reference for @rq (the jet basis)

tools: add log to the @rq SoftFloat reference (exp+log faithful)

tools: extend @rq SoftFloat reference to sin/cos/sqrt

math: faithful @rq (f128) exp -- first arm of the rq port

math: faithful @rq log (2nd rq arm)

math: faithful @rq sqrt + sin/cos (rq port continues)

math: @rq derived fns (log-2/log-10/pow/pow-n/cbrt) + lr helper

math: faithful @rq atan + atan2 (12/15 rq fns)

math: faithful @rq asin/acos -- @rq port complete (15/15)