MLPutRealNumberAsString （C 函数）

MLPutRealNumberAsString 已经被 WSPutRealNumberAsString 所取代.

int MLPutRealNumberAsString(MLINK l, const char *s )

sends a floating-point number encoded as ASCII string s to the MathLink connection specified by l.

更多信息

  • Send the number s in the form "3.14159".
  • MLPutRealNumberAsString() returns 0 on error, and a nonzero value if the function succeeds.
  • MLPutRealNumberAsString() is declared in the MathLink header file mathlink.h

范例

基本范例  (1)

#include "mathlink.h"

/* A function to put the expression Sqrt[2.75] to a link */

void f(MLINK l)
{
    if(! MLPutFunction(l, "Sqrt", 1))
    { /* Unable to put Sqrt[] to the link */ }

    if(! MLPutRealNumberAsString(l, "2.75"))
    { /* Unable to put the number to the link */}

    if(! MLEndPacket(l))
    { /* Unable to put the end-of-packet sequence to l */ }

    if(! MLFlush(l))
    { /* Unable to flush any output buffered in l */ }
}