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Commit 6d9d64ba authored by dtc's avatar dtc
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Rework many of the derive-type optimizers:

1. Correct handling of integer and rational arguments which give
single-float results.
2. Correct coercion of the number-type bounds.
3. Improve consistency.

Functions modified: float-or-complex-type, elfun-derive-type-simple,
atan-derive-type-aux-2, phase-derive-type, imagpart-derive-type-aux,
trig-derive-type-aux, abs-derive-type-aux. Remove function
elfun-float-format. Add function coerce-numeric-bound.

Add an optional increasingp argument to elfun-derive-type-simple
allowing it to be used for acos, and remove acos-derive-type-aux.
parent b361921d
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