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Author SHA1 Message Date
Siva Chandra Reddy fb706e086c [libc][NFC] Make conversion from FPBits to the float point type explicit. 
This will help us catch errors like the ones fixed by the commit
31ed45d9cf
 2021-04-17 05:22:20 +00:00
Siva Chandra Reddy 80e166f81a [libc][NFC] Add template tests for a bunch of math functions. 
Namely, template tests have been added for the following functions:
ceil, copysign, fabs, fmax, fmin, floor, trunc, round.
 2021-04-16 17:28:17 +00:00
Siva Chandra Reddy 6666e0d7a2 [libc] Make FPBits a union. 
This helps us avoid the uncomfortable reinterpret-casts. Avoiding the
reinterpret casts prevents us from tripping the sanitizers as well.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D100360
 2021-04-13 09:21:35 -07:00
Siva Chandra Reddy f66cf13d5d [libc][NFC] Rename global `nan` in tests to `aNaN`. 
The name `nan` conflicts with the function `nan` defined declared in
math.h.
 2020-12-15 22:37:02 -08:00
Siva Chandra Reddy e4be4bcf83 [libc][NFC] Use a convenience macro to declare special floating point constants. 
Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D90262
 2020-10-27 16:55:16 -07:00
Siva Chandra Reddy db936e0e91 [libc][NFC] Add library of floating point test matchers. 
This eliminates UnitTest's dependency on FPUtil and hence prevents
non-math tests from depending indirectly on FPUtil. The patch
essentially moves some of the existing pieces into a library of its own.

Along the way, renamed add_math_unittest to add_fp_unittest.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D85486
 2020-08-07 23:34:15 -07:00