gmp_lib.gmp_fprintf Method

GMP Native Interface for .NET

previous page next page
gmp_libgmp_fprintf 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_fprintf(
	ptr<FILE> fp,
	string fmt,
	params Object[] args
)
Public Shared Function gmp_fprintf ( 
	fp As ptr(Of FILE),
	fmt As String,
	ParamArray args As Object()
) As Integer
public:
static int gmp_fprintf(
	ptr<FILE>^ fp, 
	String^ fmt, 
	... array<Object^>^ args
)
static member gmp_fprintf : 
        fp : ptr<FILE> * 
        fmt : string * 
        args : Object[] -> int

Parameters

fp
Type: Math.Gmp.NativeptrFILE
File stream.
fmt
Type: SystemString
Format string. See Formatted Output Strings.
args
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_fprintf(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_fprintf(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
previous page start next page