round-ieee tests: More tests. * tests/test-round-ieee.c: Include isnand-nolibm.h, infinity.h, nan.h. (main): Add tests for [MX] shaded specification in POSIX. * modules/round-ieee-tests (Files): Add tests/infinity.h, tests/nan.h. (Depends-on): Add isnand-nolibm.

--- a/modules/round-ieee-tests
+++ b/modules/round-ieee-tests
@@ -1,9 +1,12 @@
 Files:
 tests/test-round-ieee.c
 tests/minus-zero.h
+tests/infinity.h
+tests/nan.h
 tests/macros.h
 
 Depends-on:
+isnand-nolibm
 float
 signbit