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      1 /*
      2  * Copyright (c) 2013-2014, NVIDIA Corporation.  All rights reserved.
      3  * Johnny Qiu <joqiu (at) nvidia.com>
      4  * Shu Zhang <chazhang (at) nvidia.com>
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions are
      8  * met:
      9  *     * Redistributions of source code must retain the above copyright
     10  *       notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  *       copyright notice, this list of conditions and the following
     13  *       disclaimer in the documentation and/or other materials provided
     14  *       with the distribution.
     15  *     * Neither the name of The Linux Foundation nor the names of its
     16  *       contributors may be used to endorse or promote products derived
     17  *       from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     20  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     26  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     28  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     29  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <float.h>
     33 #include <private/bionic_asm.h>
     34 
     35 ENTRY(sqrt)
     36     vmov.f64    d0, r0, r1
     37     vsqrt.f64   d0, d0
     38     vmov.f64    r0, r1, d0
     39     bx          lr
     40 END(sqrt)
     41 
     42 ENTRY(sqrtf)
     43     vmov.f32    s0, r0
     44     vsqrt.f32   s0, s0
     45     vmov.f32    r0, s0
     46     bx          lr
     47 END(sqrtf)
     48 
     49 ALIAS_SYMBOL(sqrtl, sqrt);
     50