From 976e9d281b2900f988e14ef541b5716dbdd4849e Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Thu, 26 Apr 2007 19:23:37 +0000 Subject: 2007-04-26 Patrick Mansfield * libc/include/ieeefp.h: use prefixed __ieeefp_ macros that can be overridden via machine/ieeefp.h. * libc/include/machine/ieeefp.h: Add SPU specific C99 and ieeefp macros for isnan and related macros. * libc/include/math.h: Allow C99 isfinite, isinf, and isnan to be overridden via machine/ieeefp.h. * libm/machine/spu/Makefile.am: Add new files. * libm/machine/spu/Makefile.in: Autogenerate with new files. * libm/machine/spu/sf_fpclassify.c: Add SPU specific __fpclassifyf. * libm/machine/spu/sf_finite.c: Add SPU specific finitef. * libm/machine/spu/sf_isinf.c: Add SPU specific isinff. * libm/machine/spu/sf_isinff.c: Add SPU specific __isinff. * libm/machine/spu/sf_isnan.c: Add SPU specific isnanf. * libm/machine/spu/sf_isnanf.c: Add SPU specific __isnanf. * libm/machine/spu/sf_nan.c: Add SPU specific nanf. --- newlib/libm/machine/spu/sf_fpclassify.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 newlib/libm/machine/spu/sf_fpclassify.c (limited to 'newlib/libm/machine/spu/sf_fpclassify.c') diff --git a/newlib/libm/machine/spu/sf_fpclassify.c b/newlib/libm/machine/spu/sf_fpclassify.c new file mode 100644 index 000000000..36cf8ba90 --- /dev/null +++ b/newlib/libm/machine/spu/sf_fpclassify.c @@ -0,0 +1,24 @@ +/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. + * + * Permission to use, copy, modify, and distribute this software + * is freely granted, provided that this notice is preserved. + */ + +#include "fdlibm.h" + +/* + * On the SPU, single precision floating point returns only FP_NORMAL and + * FP_ZERO, since FP_NAN, FP_INFINITE, and FP_SUBNORMAL are not + * supported, base on the common f_fpclassify.c. + */ +int +__fpclassifyf (float x) +{ + __uint32_t w; + + GET_FLOAT_WORD(w,x); + + if (w == 0x00000000 || w == 0x80000000) + return FP_ZERO; + return FP_NORMAL; +} -- cgit v1.2.3