On Wed, 1 Mar 2023 05:28:34 GMT, Joe Darcy <da...@openjdk.org> wrote:
> Last and certainly not least in the port of FDLIBM to Java, the > transcendental methods for sin, cos, and tan. > > Some more tests are to be written in the StrictMath directory to verify that > the StrictMath algorihtm for sin/cos/tan is being used rather than a > different one. However, I wanted to get the rest of the change out for review > first. > > The sin/cos/tan methods are grouped together since they share the same > argument reduction logic. Argument reduction is the process of mapping an > argument of a function to an argument in a restricted range (and possibly > returning some function of the reduced argument). For sin, cos, and tan, > since they are fundamentally periodic with respect to a multiple of pi, > argument reduction is done to find the remainder of the original argument > with respect to pi/2. This pull request has now been integrated. Changeset: 1bb39a95 Author: Joe Darcy <da...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/1bb39a95eb42c7f68ba59ac2809717cd7b1df7bc Stats: 2305 lines in 7 files changed: 2283 ins; 12 del; 10 mod 8302027: Port fdlibm trig functions (sin, cos, tan) to Java Reviewed-by: bpb ------------- PR: https://git.openjdk.org/jdk/pull/12800
