gmp_lib.gmp_vfprintf Method

GMP Native Interface for .NET

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gmp_libgmp_vfprintf Method
Print to the stream fp.

Namespace:  Math.Gmp.Native
Assembly:  Math.Gmp.Native (in Math.Gmp.Native.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
Copy
public static int gmp_vfprintf(
	ptr<FILE> fp,
	string fmt,
	params Object[] ap
)
Public Shared Function gmp_vfprintf ( 
	fp As ptr(Of FILE),
	fmt As String,
	ParamArray ap As Object()
) As Integer
public:
static int gmp_vfprintf(
	ptr<FILE>^ fp, 
	String^ fmt, 
	... array<Object^>^ ap
)
static member gmp_vfprintf : 
        fp : ptr<FILE> * 
        fmt : string * 
        ap : Object[] -> int

Parameters

fp
Type: Math.Gmp.NativeptrFILE
File stream.
fmt
Type: SystemString
Format string. See Formatted Output Strings.
ap
Type: SystemObject
Arguments.

Return Value

Type: Int32
Return the number of characters written, or -1 if an error occurred.
Examples
Copy
// Create unique file pathname and a file pointer.
string pathname = System.IO.Path.GetTempFileName();
ptr<FILE> stream = new ptr<FILE>();

mpz_t z = "123456";
mpq_t q = "123/456";
mpf_t f = "12345e6";
mp_limb_t m = 123456;

// Open file stream and print to it.
_wfopen_s(out stream.Value.Value, pathname, "w");
Assert.IsTrue(gmp_lib.gmp_vfprintf(stream, "%Zd - %QX - %Fa - %Mo", z, q, f, m) == 42);
fclose(stream.Value.Value);
Assert.IsTrue(System.IO.File.ReadAllText(pathname) == "123456 - 7B/1C8 - 0x2.dfd1c04p+32 - 361100");

// Release unmanaged memory.
gmp_lib.mpz_clear(z)
gmp_lib.mpq_clear(q)
gmp_lib.mpf_clear(f)
' Create unique file pathname and a file pointer.
Dim pathname As String = System.IO.Path.GetTempFileName()
Dim stream As New ptr(Of FILE)()

Dim z As mpz_t = "123456"
Dim q As mpq_t = "123/456"
Dim f As mpf_t = "12345e6"
Dim m As mp_limb_t = 123456

' Open file stream and print to it.
_wfopen_s(stream.Value.Value, pathname, "w")
Assert.IsTrue(gmp_lib.gmp_vfprintf(stream, "%Zd - %QX - %Fa - %Mo", z, q, f, m) = 42)
fclose(stream.Value.Value)
Assert.IsTrue(System.IO.File.ReadAllText(pathname) = "123456 - 7B/1C8 - 0x2.dfd1c04p+32 - 361100")
' Release unmanaged memory.
gmp_lib.mpz_clear(z)
gmp_lib.mpq_clear(q)
gmp_lib.mpf_clear(f)

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.

See Also
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