Question

标题cmath根本不起作用，当我在项目中打开cmath头文件时，VS Intellisense会显示the global scope has no "acosf"之类的错误，并且有数百个。

我已经阅读了很多帖子，但还没有想到它。我已经确认我根据一个帖子使用sdk 10.0.15063.0，但它没有用。

任何包含cmath的项目都不起作用，因此它可能无需执行特定的代码。我尽我所能，你们能告诉我们如何解决它吗？提前谢谢！

完整错误列表如下：

Severity        Code    Description                     Project     File                                                                                                       Line Suppression State
Error (active)  E0282   the global scope has no "acosf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   25  
Error (active)  E0282   the global scope has no "acoshf"    Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   30  
Error (active)  E0282   the global scope has no "asinf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   35  
Error (active)  E0282   the global scope has no "asinhf"    Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   40  
Error (active)  E0282   the global scope has no "atanf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   45  
Error (active)  E0282   the global scope has no "atanhf"    Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   50  
Error (active)  E0282   the global scope has no "atan2f"    Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   55  
Error (active)  E0282   the global scope has no "cbrtf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   60  
Error (active)  E0282   the global scope has no "ceilf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   65  
Error (active)  E0282   the global scope has no "copysignf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   71  
Error (active)  E0282   the global scope has no "cosf"  Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   76  
Error (active)  E0282   the global scope has no "coshf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   81  
Error (active)  E0282   the global scope has no "erff"  Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   86  
Error (active)  E0282   the global scope has no "erfcf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   91  
Error (active)  E0282   the global scope has no "expf"  Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   96  
Error (active)  E0282   the global scope has no "exp2f" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   101 
Error (active)  E0282   the global scope has no "expm1f"    Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   106 
Error (active)  E0282   the global scope has no "fabsf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   111 
Error (active)  E0282   the global scope has no "fdimf" Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   116 
Error (active)  E0282   the global scope has no "floorf"    Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   121 
Error (active)  E0282   the global scope has no "fmaf"  Project7    c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\cmath   127 
//etc

///////////////////////////编辑：这是来自Strousrup的c ++ PPP的标题，包括cmath：

ifndef GRAPH_GUARD
#define GRAPH_GUARD 1
#include "Point.h"
#include <vector>
#include <string>
#include <cmath>
#include "fltk.h"
#include "std_lib_facilities.h"

namespace Graph_lib {
// defense against ill-behaved Linux macros:
#undef major
#undef minor

struct Color {
    enum Color_type {
        red=FL_RED, blue=FL_BLUE, green=FL_GREEN,
        yellow=FL_YELLOW, white=FL_WHITE, black=FL_BLACK,
        magenta=FL_MAGENTA, cyan=FL_CYAN, dark_red=FL_DARK_RED,
        dark_green=FL_DARK_GREEN, dark_yellow=FL_DARK_YELLOW, dark_blue=FL_DARK_BLUE
//etc

///////////////////////编辑：

using namespace std is included in "std_lib_facilities.h".

来自＆＃34; std_lib_facilities.h＆＃34;

的spinet

#define _SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS 1

#ifndef H112
#define H112 201004L

#include<iostream>
#include<fstream>
#include<sstream>
#include<cmath>
#include<cstdlib>
#include<string>
#include<list>
#include<vector>
#include<algorithm>
#include<stdexcept>

//etc------------------

Answer 1

谢谢你们，我已经解决了这个问题。这是因为包含目录中不同math.h的冲突。

在2017 2017中标题cmath Intellisense错误

1 个答案: