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Copyright 2010-2011, D. E. Shaw Research.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions, and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions, and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of D. E. Shaw Research nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef __open64features_dot_hpp
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#define __open64features_dot_hpp
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/* The gcc features are mostly right. We just override a few and then include gccfeatures.h */
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/* Open64 4.2.3 and 4.2.4 accept the __uint128_t code without complaint
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but produce incorrect code for 64-bit philox. The MULHILO64_ASM
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#ifndef R123_USE_GNU_UINT128
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#define R123_USE_GNU_UINT128 0
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#ifndef R123_USE_MULHILO64_ASM
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#define R123_USE_MULHILO64_ASM 1
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#include "gccfeatures.h"
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tutorials/4_pi/random123/features/open64features.h
