diff options
Diffstat (limited to 'newlib/libm/machine/spu/headers/isnanf4.h')
-rw-r--r-- | newlib/libm/machine/spu/headers/isnanf4.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/newlib/libm/machine/spu/headers/isnanf4.h b/newlib/libm/machine/spu/headers/isnanf4.h new file mode 100644 index 000000000..5c16b4cde --- /dev/null +++ b/newlib/libm/machine/spu/headers/isnanf4.h @@ -0,0 +1,78 @@ +/* -------------------------------------------------------------- */ +/* (C)Copyright 2006,2007, */ +/* International Business Machines Corporation */ +/* All Rights Reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or */ +/* without modification, are permitted provided that the */ +/* following conditions are met: */ +/* */ +/* - Redistributions of source code must retain the above copyright*/ +/* notice, this list of conditions and the following disclaimer. */ +/* */ +/* - Redistributions in binary form must reproduce the above */ +/* copyright notice, this list of conditions and the following */ +/* disclaimer in the documentation and/or other materials */ +/* provided with the distribution. */ +/* */ +/* - Neither the name of IBM Corporation nor the names of its */ +/* contributors may be used to endorse or promote products */ +/* derived from this software without specific prior written */ +/* permission. */ +/* Redistributions of source code must retain the above copyright */ +/* notice, this list of conditions and the following disclaimer. */ +/* */ +/* Redistributions in binary form must reproduce the above */ +/* copyright notice, this list of conditions and the following */ +/* disclaimer in the documentation and/or other materials */ +/* provided with the distribution. */ +/* */ +/* Neither the name of IBM Corporation nor the names of its */ +/* contributors may be used to endorse or promote products */ +/* derived from this software without specific prior written */ +/* permission. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */ +/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */ +/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ +/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */ +/* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ +/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT */ +/* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */ +/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) */ +/* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */ +/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR */ +/* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* -------------------------------------------------------------- */ +/* PROLOG END TAG zYx */ +#ifdef __SPU__ +#ifndef _ISNANF4_H_ +#define _ISNANF4_H_ 1 + +#include <spu_intrinsics.h> + +/* + * FUNCTION + * vector unsigned int _isnanf4(vector float x) + * + * DESCRIPTION + * The _isnanf4 function returns a vector in which each element indicates + * if the corresponding element of x is NaN. + * + * On the SPU, this function always returns 0, since NaNs are not + * supported. + * + * RETURNS + * UINT_MAX (0xFFFFFFFF) if the element of x is a NaN + * 0 (0x00000000) otherwise (always on the SPU) + * + */ +static __inline vector unsigned int _isnanf4(vector float __attribute__((__unused__))x) +{ + return spu_splats((unsigned int)0); +} + +#endif // _ISNANF4_H_ +#endif /* __SPU__ */ |