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 ]> Relational Built-In Functions Relational Built-In Functions 2007-2010 The Khronos Group Inc. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials. 3 Relational Built-In Functions Click an item in the table below for details about that function. isequal Compare of x == y. isnotequal Compare of x != y. isgreater Compare of x > y. isgreaterequal Compare of x >= y. isless Compare of x < y. islessequal Compare of x <= y. islessgreater Compare of (x < y) || (x > y). isfinite Test for finite value. isinf Test for +ve or -ve infinity. isnan Test for a NaN. isnormal Test for a normal value. isordered Test if arguments are ordered. isunordered Test if arguments are unordered. signbit Test for sign bit. any 1 if MSB in any component of x is set; else 0. all 1 if MSB in all components of x is set; else 0. bitselect Each bit of result is corresponding bit of a if corresponding bit of c is 0. select For each component of a vector type, result[i] = if MSB of c[i] is set ? b[i] : a[i] For scalar type, result = c ? b : a. Description &relationalFunctionsInc1; Specification OpenCL Specification