XLPack: _factorial

XLPack 6.1

C/C++ API Reference Manual (Basic module)

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C1. Elementary functions (integer-valued functions)

◆ _factorial()

double _factorial ( unsigned int n )

Factorial function

Purpose: factorial computes the factorial.

Returns: n!.

Parameters

[in] n Argument n.

Error handling

Range error (ERANGE) may occur.

Reference: boost/math/special_functions