Intel® Fortran Compiler
Build applications that can scale for the future with optimized code designed for Intel® Xeon® and compatible processors.
29375 Discussions

Precision of Trig Functions

mattsdad
Beginner
‎09-24-2007 06:30 AM
537 Views
When using SIN(x) will the result be of the same type as the argument, or does DSIN(x) need to be used to get a double precision result?
0 Kudos

Link Copied

1 Reply
TimP
Honored Contributor III
‎09-24-2007 08:04 AM
537 Views
Since f77, sin() is a generic which the compiler automatically changes to the type of the argument, unless declared EXTERNAL.
0 Kudos
Copy link
Reply

Community support is provided Monday to Friday. Other contact methods are available here.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

For more complete information about compiler optimizations, see our Optimization Notice.