std::string为library type,而int、double为built-in type,两者无法互转,这里使用function template的方式将int转std::string,将double转std:string。 1 /**//* 2 (C) OOMusou 2006 3 4 Filename : ArrayToVectorByConstructor.cpp 5 Compiler : Visual C++ 8.0 6 Description : Demo how to convert any ...
std::stringConvertToString(T); 15 16 intmain() { 17 std::strings; 18 19 //Convert int to std::string 20 inti=123; 21 s=ConvertToString(i); 22 std::cout<<s<<std::endl; 23 24 //Convert double to std::string 25 doubled=123.123; 26 s=ConvertToString(d); 27 std::cout<<s<<...
double_to_string.c / C 1/* 2(C) OOMusou 2008http://oomusou.cnblogs.com 3 4Filename : double_to_string.c 5Compiler : Visual C++ 9.0 / Visual Studio 2008 6Description : Demo how to convert string to int (double) 7Release : 10/27/2008 1.0 8*/ 9 10#include<stdio.h> 11 12int...
这里使用functon template的方式将std::string转int、std::string转double。 stringstream_to_double.cpp / C++ 1 /**//* 2 (C) OOMusou 2006 4 Filename : stringstream_to_double.cpp 5 Compiler : Visual C++ 8.0 6 Description : Demo how to convert string to any type. 7 Release : 11/18/2006...
Copy Code // crt_atof.c // // This program shows how numbers stored as // strings can be converted to numeric // values using the atof function.include <stdlib.h> include <stdio.h> int main( void ){ char *str = NULL;double value = 0;// An example of the atof ...
You'll also need to update the calls to placement new to pass the new type (for example, by using static_cast<my_type> to convert from the integer value) and update the definition of new and delete to cast back to the integer type. You don't need to use an enum for this; a ...
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void okutil_convert_double_vector_to_string_vector_ex1() { vector<string> strVec; vector<double> dVec = {1.113,0.786,3,-2.097,10.894,2.168,0,8.123}; vector<string> fVec = {"*1","*2","*3","*4","*5","*6","*7","*8"}; int nRet = okutil_convert_double_vector_to_...
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Hi I would like to ask how I can convert string to long double for further calculation in long double format? Let's say i got c string phase = 0.000000789 or 507890123.005 and i want to convert from cstring to long double and want to do Accphase = phase + Accphase //in long ...