NAME

any - returns true if a boolean scalar or any component of a boolean vector is true.

SYNOPSIS

  bool any(bool a);
  bool any(bool1 a);
  bool any(bool2 a);
  bool any(bool3 a);
  bool any(bool4 a);

PARAMETERS

a

Boolean vector or scalar of which to determine if any component is true.

DESCRIPTION

Returns true if a boolean scalar or any component of a boolean vector is true.

REFERENCE IMPLEMENTATION

any for a bool4 vector could be implemented like this.

  bool any(bool4 a)
  { 
    return a.x || a.y || a.z || a.w;
  }

PROFILE SUPPORT

any is supported in all profiles.

Support in the fp20 is limited.

SEE ALSO

all