Compare of (x < y) || (x > y).

int islessgreater ( float x,
  float y)
intn islessgreater ( floatn x,
  floatn y)
int islessgreater ( double x,
  double y)
longn islessgreater ( doublen x,
  doublen y)

int islessgreater (half x, half y) // if half extension enabled
shortn islessgreater (halfn x, halfn y) // if half extension enabled


Returns the component-wise compare of (x < y) || (x > y).


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.

The built-in relational functions are extended with cl_khr_fp16 to include versions that take half, and half{2|3|4|8|16} as arguments.

The function returns a 0 if the specified relation is false and a 1 if the specified relation is true for scalar argument types. These functions shall return a 0 if the specified relation is false and a - 1 (i.e. all bits set) if the specified relation is true for vector argument types.

The function returns 0 if either argument is not a number (NaN).


OpenCL Specification

Also see

Relational Functions

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