[J3] C TS 18661

Steve Lionel steve at stevelionel.com
Wed Jan 30 11:09:39 EST 2019


On 1/30/2019 10:43 AM, Vipul Parekh via J3 wrote:
>> acosd
>> asind
>> atand
>> atan2d
>> expm1
>> logp1 (or log1p)
>> rsqrt
>> ..
> Why not add all these to the Fortran standard?  Why won't this be a no-brainer?
>
J3 already has the degree intrinsics on its list for the next standard 
(18-139r1, 18-272r1), largely due to their widespread existing 
implementation and use.  A case for the other intrinsics mentioned would 
have to be made using different arguments. (I am not a mathematician, 
but I had never heard of expm1 or logp1, and don't recall a single 
request for rsqrt from a customer during my decades as a vendor. This is 
not an argument against them, just saying I'd want to see a stronger 
case than FOMO.)

Steve



More information about the J3 mailing list