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/* OpenCL built-in library: rsqrt()
Copyright (c) 2011 Erik Schnetter <eschnetter@perimeterinstitute.ca>
Perimeter Institute for Theoretical Physics
2022 Isuru Fernando <isuruf@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "../templates.h"
#undef ENABLE_BUILTIN
float _CL_OVERLOADABLE rsqrt(float a)
{
return __nvvm_rsqrt_approx_f(a);
}
float2 _CL_OVERLOADABLE rsqrt(float2 a)
{
return (float2)(rsqrt(a.x), rsqrt(a.y));
}
float3 _CL_OVERLOADABLE rsqrt(float3 a)
{
return (float3)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z));
}
float4 _CL_OVERLOADABLE rsqrt(float4 a)
{
return (float4)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z), rsqrt(a.w));
}
float8 _CL_OVERLOADABLE rsqrt(float8 a)
{
return (float8)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z), rsqrt(a.w),
rsqrt(a.s4), rsqrt(a.s5), rsqrt(a.s6), rsqrt(a.s7));
}
float16 _CL_OVERLOADABLE rsqrt(float16 a)
{
return (float16)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z), rsqrt(a.w),
rsqrt(a.s4), rsqrt(a.s5), rsqrt(a.s6), rsqrt(a.s7),
rsqrt(a.s8), rsqrt(a.s9), rsqrt(a.sa), rsqrt(a.sb),
rsqrt(a.sc), rsqrt(a.sd), rsqrt(a.se), rsqrt(a.sf));
}
#ifdef cl_khr_fp64
double _CL_OVERLOADABLE rsqrt(double a)
{
return __nvvm_rsqrt_approx_d(a);
}
double2 _CL_OVERLOADABLE rsqrt(double2 a)
{
return (double2)(rsqrt(a.x), rsqrt(a.y));
}
double3 _CL_OVERLOADABLE rsqrt(double3 a)
{
return (double3)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z));
}
double4 _CL_OVERLOADABLE rsqrt(double4 a)
{
return (double4)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z), rsqrt(a.w));
}
double8 _CL_OVERLOADABLE rsqrt(double8 a)
{
return (double8)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z), rsqrt(a.w),
rsqrt(a.s4), rsqrt(a.s5), rsqrt(a.s6), rsqrt(a.s7));
}
double16 _CL_OVERLOADABLE rsqrt(double16 a)
{
return (double16)(rsqrt(a.x), rsqrt(a.y), rsqrt(a.z), rsqrt(a.w),
rsqrt(a.s4), rsqrt(a.s5), rsqrt(a.s6), rsqrt(a.s7),
rsqrt(a.s8), rsqrt(a.s9), rsqrt(a.sa), rsqrt(a.sb),
rsqrt(a.sc), rsqrt(a.sd), rsqrt(a.se), rsqrt(a.sf));
}
#endif
DEFINE_EXPR_F_F(half_rsqrt, rsqrt(a))
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