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976e9d281b
* 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.
25 lines
575 B
C
25 lines
575 B
C
/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software
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* is freely granted, provided that this notice is preserved.
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*/
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#include "fdlibm.h"
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/*
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* On the SPU, single precision floating point returns only FP_NORMAL and
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* FP_ZERO, since FP_NAN, FP_INFINITE, and FP_SUBNORMAL are not
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* supported, base on the common f_fpclassify.c.
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*/
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int
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__fpclassifyf (float x)
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{
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__uint32_t w;
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GET_FLOAT_WORD(w,x);
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if (w == 0x00000000 || w == 0x80000000)
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return FP_ZERO;
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return FP_NORMAL;
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}
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