atomic_min

atomic_min functions.

int atomic_min ( volatile __global int *p ,
  int val)
unsigned int atomic_min ( volatile __global unsigned int *p ,
  unsigned int val)
int atomic_min ( volatile __local int *p ,
  int val)
unsigned int atomic_min ( volatile __local unsigned int *p ,
  unsigned int val)

Description

Read the 32-bit value (referred to as old) stored at location pointed by p. Compute min (old, val) and store result at location pointed by p. The function returns old.

A 64-bit version of this function, atom_min, is enabled by cl_khr_int64_extended_atomics.

Specification

OpenCL Specification

Also see

Atomic Functions, atom_min

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