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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libm/] [common/] [sf_fpclassify.c] - Rev 286
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/* Copyright (C) 2002,2007 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" int __fpclassifyf (float x) { __uint32_t w; GET_FLOAT_WORD(w,x); if (w == 0x00000000 || w == 0x80000000) return FP_ZERO; else if ((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) return FP_NORMAL; else if ((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) return FP_SUBNORMAL; else if (w == 0x7f800000 || w == 0xff800000) return FP_INFINITE; else return FP_NAN; }
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