kc3-lang/gnulib

2010-12-22T16:08:29

trunc: Implement result sign according to IEEE 754. * lib/trunc.c (MIN, MINUS_ZERO): New macros. (FUNC): Return +0.0 for 0 < x < 1 and -0.0 for -1 < x < 0. * tests/test-trunc2.c: Include minus-zero.h. (MINUS_ZERO): New macro. (trunc_reference): Keep in sync with lib/trunc.c. * tests/test-truncf2.c: Include minus-zero.h. (MINUS_ZERO): New macro. (truncf_reference): Keep in sync with lib/trunc.c. * tests/test-truncf-ieee.c (main): Test also values between -1 and 1. * tests/test-trunc-ieee.c (main): Likewise. * tests/test-truncl-ieee.c (main): Likewise.