Re: Calling conventions (particularly 32-bit ARM)

MitchAlsup1 <mitchalsup@aol.com> schrieb:

errno is an atrocity all by itself; single handedly preventing
direct use of SIN(), COS(), TAN(), ATAN(), exp(), ln(), pow()
as instructions.

Fortunately, the C standard does not require errno to be set
for these functions.  Apple, for example, does not do so.