C Error C2601
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Page 1 of 1 New Topic/Question Reply 11 Replies - 15250 Views - Last Post: 06 September 2011 - 11:24 AM Rate Topic: #1 doug_byrne New D.I.C Head Reputation: 0 Posts: 43 Joined: 15-August 11 error C2601: local function definitions are illegal Posted 06 September 2011 - 01:20 AM im getting the error, "error C2601: local function definitions are illegal", for both my functions and i cant figure out why. Any help would be much appreciated. The code is supposed to approximate a root of a cubic function where coefficient 'a' is always 1 using newtons method of approximation after reading and storing the info http://stackoverflow.com/questions/19460076/error-c2601-main-local-function-definitions-are-illegall-ms-vs-2013-compi from a .dat file. // Assignment 1.cpp : Defines the entry point for the console application. // Use Newton/Raphson's method to approximate the roots of a cubic function #include "stdafx.h" #define a 1 /* coefficients */ double b; /* coefficients */ double c; /* coefficients */ double d; /* coefficients */ double x; /* intial guess */ double root_x ; /* root of x */ int count_rep; /* function prototype http://www.dreamincode.net/forums/topic/246155-error-c2601-local-function-definitions-are-illegal/ */ double newtons_method(double, double, double, double); double first_derivative(double, double, double); int main(void) { /* the input file - alternate method */ printf("input data as follows; a, b, c, d, guess ->"); scanf("%lf %lf %lf %lf", &b, &c, &d, &x); /* pointer to the file */ FILE *ptr; /* creating the file and pointing to it */ ptr = fopen("input1.dat", "r"); /* if theres an error in reading file or the files is empty */ if( ptr == NULL) printf("File read error!"); /* store the data on the file to memory */ fscanf(ptr, "%lf %lf %lf %lf", &b, &c, &d, &x); /* See if the first derivative equals zero as this would give an error */ if ( first_derivative(b, c, x) == 0 ) { printf("Error, first derivative equals zero. Make a new initial guess"); printf("Enter new inital guess>"); scanf("lf", &x); /* checking the first derivative is far enough away from zero for a result */ } else if ( first_derivative(b, c, x) <= 0.5 && first_derivative(b, c, x) >= -0.5 ) { printf("Error, first derivative is too close to zero to cause convergence. Make a new initial guess"); printf("Enter new inital guess>"); scanf("lf", &x); /* if no error is found, execute function 'newtons_method' and loop until
Question Need help? Post your question and get tips & solutions from a community of 418,461 IT Pros & Developers. It's quick & easy. error C2601: 'det' : https://bytes.com/topic/c/answers/930640-error-c2601-det-local-function-definitions-illegal local function definitions are illegal P: 5 paulo bagon #include
> Форум С++ для начинающих E-mail Запомнить? Пароль Восстановить пароль Регистрация Регистрация Тесты Блоги Сообщество Поиск Ссылки сообщества Социальные группы Поиск Google по форуму Поиск Yandex по форуму Поиск по форуму Расширенный поиск Тесты Список тестов К странице... @Андрей Индранил 0 / 0 / 0 Регистрация: 26.09.2011 Сообщений: 12 29.09.2011, 16:27 error C2601: 'main' : local function definitions are illegal fatal error C1004: unexpected end of file found #1 День добрый люди написал програму выдает 2 ошибки че не так подскажите error C2601: 'main' : local function definitions are illegal fatal error C1004: unexpected end of file found C++1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 #include "stdafx.h" #include