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Diffstat (limited to 'newlib/libm/machine/spu/headers/rint.h')
-rw-r--r-- | newlib/libm/machine/spu/headers/rint.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/newlib/libm/machine/spu/headers/rint.h b/newlib/libm/machine/spu/headers/rint.h deleted file mode 100644 index 7cf7adcfa..000000000 --- a/newlib/libm/machine/spu/headers/rint.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - (C) Copyright 2001,2006, - International Business Machines Corporation, - Sony Computer Entertainment, Incorporated, - Toshiba 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 names of the copyright holders nor the names of their - 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. -*/ -#ifndef _RINT_H_ -#define _RINT_H_ 1 - -#include <spu_intrinsics.h> -#include "headers/vec_literal.h" - -/* Round the input to the nearest integer according to the current - * rounding mode. - */ -static __inline double _rint(double x) -{ - vec_ullong2 sign = VEC_SPLAT_U64(0x8000000000000000ULL); - vec_double2 in, out, addend; - - in = spu_promote(x, 0); - - /* Add 2^53 and then subtract 2^53 to affect a round to be performed by the - * hardware. Also preserve the input sign so that negative inputs that - * round to zero generate a -0.0. - */ - addend = spu_sel((vec_double2)(VEC_SPLAT_U64(0x4330000000000000ULL)), - in, sign); - out = spu_sel(spu_sub(spu_add(in, addend), addend), in, sign); - - return (spu_extract(out, 0)); -} -#endif /* _RINT_H_ */ |