#4239 airy_dai bigfloat returns double

[Richard Fateman]

airy_dai does not produce a bigfloat, but only a double. See
(%i37) fpprec:40$
(%i38) airy_dai(1.5d0);

(%o38) -0.09738201284230132
(%i39) ?print(%);

-0.09738201284230132

build_info(version="5.47.0",timestamp="2023-06-02 20:31:42",host="x86_64-w64-mingw32",lisp_name="SBCL",.....

[Raymond Toy]

I think you have a typo there. You wrote 1.5d0. You probably wanted 1.5b0. Then I get:

(%i2) airy_dai(1.5b0);
Evaluation took 0.0800 seconds (0.0800 elapsed) using 7.668 MB.
(%o2)           - 9.738201284230131921848421820244994177609b-2