Platform | x64, Win32, .NET |

Purpose |
To get the upper bound or upper bounds for the indexes of an array. |

Class |
Inquiry function. |

Syntax |
INTEGER FUNCTION UBOUND (ARRAY [, DIM [, KIND]]) |

Description |
ARRAY is an array of any type. If it is a pointer it must be associated. If it is an allocatable array, it must be allocated. If it is an assumed-size array, DIM must be present with a value less than the rank of ARRAY. DIM is a scalar with a value in the range 1 The result is a scalar integer or a one-dimensional integer array (of default
type). It is scalar if DIM is present, otherwise, the result is an array of
size |

Return value |
Case (i): For an array section or for an array expression, other than a whole array or array structure component, UBOUND(ARRAY, DIM) has a value equal to the number of elements in the given dimension; otherwise, it has a value equal to the upper bound for subscript DIM of ARRAY. If dimension DIM has zero size the result is zero. Case (ii): UBOUND(ARRAY) has a value whose |

Notes |
UBOUND returns a value of default integer type on all platforms. For x64 this will be 32 bits by default. |

Example |
If A is declared by the statement REAL A(2:3, 7:10) then UBOUND(A) is [3, 10] and UBOUND(A, DIM = 2) is 10. |

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