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gmp_libmpz_2fac_ui Method
Set rop to the double-factorial n!!.

Namespace:  Math.Gmp.Native
Assembly:  Math.Gmp.Native (in Math.Gmp.Native.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
public static void mpz_2fac_ui(
	mpz_t rop,
	uint n
)

Parameters

rop
Type: Math.Gmp.Nativempz_t
The result integer.
n
Type: SystemUInt32
The operand integer.
Examples
// Create, initialize, and set the value of rop to 0.
mpz_t rop = new mpz_t();
gmp_lib.mpz_init(rop);

// Set rop = 9!!.
gmp_lib.mpz_2fac_ui(rop, 9U);

// Assert that rop is 945.
Assert.IsTrue(gmp_lib.mpz_get_si(rop) == 945);

// Release unmanaged memory allocated for rop.
gmp_lib.mpz_clear(rop);
See Also