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add config("triground") to trigonometric function rounding

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The config("triground") controls rounding for the following
trigonometric and hyperbolic functions:

    sin, cos, tan, cot, sec, csc
    asin, acos, atan, acot, asec, acsc
    versin, coversin, vercos, covercos
    aversin, acoversin, avercos, acovercos
    haversin, hacoversin, havercos, hacovercos
    ahaversin, hacoversin, havercos, ahacovercos
    exsec, aexsec, excsc, aexcsc
    crd, acrd
    cas, cis
    sinh, cosh, tanh, coth, sech, csch
    asinh, acosh, atanh, acoth, asech, acsch

In addition to taking a complex root (such as via the power
function on a complex value), "triground" is used for:

    exp, polar

For the above mentioned functions, the rounding mode used to
round the result to the nearest epsilon value is controlled by,
and defaults to:

    config("triground", 24)

As with other config options, the call returns the previous mode,
without a 2nd argument, returns the current mode without changing it:

    config("triground")

Improved "SEE ALSO" for the hyperbolic function help files.
This commit is contained in:
Landon Curt Noll
2023-10-03 20:31:13 -07:00
parent fec9712b9a
commit db582d6e34
22 changed files with 177 additions and 63 deletions
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@@ -204,6 +204,8 @@ The following are the changes from calc version 2.14.3.5 to date:
and made consistent, where applicable, across the trigonometric
help files. Documented libcalc functions in the SEE ALSO sections.
Improved "SEE ALSO" for the hyperbolic function help files.
Expanded the calc regression test suite test 34dd to test various
real and complex values for trigonometric functions.
@@ -386,6 +388,37 @@ The following are the changes from calc version 2.14.3.4 to 2.14.3.5:
The libcalc shared library is now linked with libcustcalc.
The config("triground") controls rounding for the following
trigonometric and hyperbolic functions:
sin, cos, tan, cot, sec, csc
asin, acos, atan, acot, asec, acsc
versin, coversin, vercos, covercos
aversin, acoversin, avercos, acovercos
haversin, hacoversin, havercos, hacovercos
ahaversin, hacoversin, havercos, ahacovercos
exsec, aexsec, excsc, aexcsc
crd, acrd
cas, cis
sinh, cosh, tanh, coth, sech, csch
asinh, acosh, atanh, acoth, asech, acsch
In addition to taking a complex root (such as via the power
function on a complex value), "triground" is used for:
exp, polar
For the above mentioned functions, the rounding mode used to
round the result to the nearest epsilon value is controlled by,
and defaults to:
config("triground", 24)
As with other config options, the call returns the previous mode,
without a 2nd argument, returns the current mode without changing it:
config("triground")
The following are the changes from calc version 2.14.3.0 to 2.14.3.4: