PNG_FP_IS_NEGATIVE  161 contrib/libtests/tarith.c       else if (PNG_FP_IS_NEGATIVE(state) && !(test < 0))
PNG_FP_IS_NEGATIVE  174 contrib/libtests/tarith.c          assert(!PNG_FP_IS_NEGATIVE(state));
PNG_FP_IS_NEGATIVE  182 contrib/libtests/tarith.c          assert(!PNG_FP_IS_NEGATIVE(state));
PNG_FP_IS_NEGATIVE  382 contrib/libtests/tarith.c    if (PNG_FP_IS_NEGATIVE(c.state) !=