![]() Ordinary quoted strings ( "Please enter a number > " ) are stored as null-terminated arrays of characters.A null byte ( character constant zero, '\0' ) is used as a terminator signal to mark the end of the string.The traditional method for handling character strings is to use an array of characters.The "string" class type is a new addition to C++, which did not exist in traditional C.zero ) if there is a problem.Ĭharacter Strings as Arrays of Characters It should be equal to nValues if all goes well, or some other value ( e.g. The return value is the actual number of values calculated.Calculates the sin of each element of x, and stores the results in sinX.int calcSins( const double x, double sinX, int nValues ).double dot( const double x, const double y, int nValues, int & errorCode ).errorCode should be set to 0 if no errors or -1 if errors are encountered.nValues is how many elements to calculate.Calculates the average of the values in x.double average( const double x, int nValues, int & errorCode ).Max5 = maxArray( array1, -4, err5 ) // Generates an error * Program to add two multidimensional arrays */ Printf( "How big an array do you want? " ) ![]() Int tableArray /* 3 rows by 5 columns */Ĭonst int NROWS = 100 // ( Old code would use #define NROWS 100 )Ĭonst int NCOLS = 200 // ( Old code would use #define NCOLS 200 ) The array does NOT change sizes later if the variable used to declare it changes. ( Space is allocated only once, at the time the array is declared.
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