blob: fea8a85a3f89fde4dd79b15102194738b5d7f0d2 [file] [log] [blame]
 ]> Relational Built-In Functions Relational Built-In Functions 2007-2011 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 Component-wise compare of x == y. isnotequal Component-wise compare of x != y. isgreater Component-wise compare of x > y. isgreaterequal Component-wise compare of x >= y. isless Component-wise compare of x < y. islessequal Component-wise compare of x <= y. islessgreater Component-wise compare of (x < y) || (x > y). isfinite Test for finite value. isinf Test for positive or negative 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 If an implementation extends this specification to support IEEE-754 flags or exceptions, then all built-in relational functions shall proceed without raising the invalid floating-point exception when one or more of the operands are NaNs. Specification OpenCL Specification