First, the String is types STRING in ABAP and Integer is a just an ‘I‘ in ABAP Typing. The simplest way is to use the standard function CONVERTSTRINGTOINTEGER in any ABAP Code. The CONVERTSTRINGTOINTEGER also controls if the string is only a number or not: sy-subrc = 1: if the string’s integer length overload the length of ABAP. Starting in R2016b, you can convert numeric arrays to string arrays using the string function. Extended Capabilities C/C Code Generation Generate C and C code using MATLAB® Coder™. Probably a commen question, but I can't find a good answer: how to convert an integer to a string? I came across several solutions. I can't get stringstream to work. The function sprintf gave problems to, and it's c-style. The function itoa worked fine, but the reference says. We optionally convert Java functional interfaces to C function pointers. Q: What about Java UI code? The converter does not convert Java UI types due to the lack of similarity between these types and C UI types. Q: Is there an option to produce C/CLI code? Despite the name, C/CLI has very little in common with C. May 27, 2016 Convert String to Integer in C programming language. In this C program, we are going to learn how to convert a string to the integer using different methods like direct, with using function and without using function? Submitted by IncludeHelp, on May 27, 2016 Given a number as string and we have to convert it to integer using C program.

C program to convert string to integer: It is frequently required to convert a string to an integer in applications. String should consists of digits only and an optional '-' (minus) sign at beginning for integers. For string containing other characters we can stop conversion as soon as a non digit character is encountered but in our program we will handle ideal case when only valid characters are present in string. Library function atoi can be used to convert string to an integer but we will create our own function.

C program

int toString(char[]);

int main()
{
char a[100];
int n;

Exercise 4.12 - Convert Integer Into String By Calling ...

printf('Input a valid string to convert to integern');
scanf('%s', a);

n = toString(a);

printf('String = %snInteger = %dn', a, n);

return0;
}

int toString(char a[]){
int c, sign, offset, n;

if(a[0]'-'){// Handle negative integers
sign =-1;
}

if(sign -1){// Set starting position to convert
offset =1;
}
else{
offset =0;
}

n =0;

for(c = offset; a[c]!='0'; c++){
n = n *10+ a[c]-'0';
}

if(sign -1){
n =-n;
}

return n;
}

Similarly you can convert string to long.

Output of program:

These functions are compiled inline, meaning the conversion code is part of the code that evaluates the expression. Sometimes there is no call to a procedure to accomplish the conversion, which improves performance. Each function coerces an expression to a specific data type.

Syntax

Part

expression
Required. Any expression of the source data type.

Return Value Data Type

The function name determines the data type of the value it returns, as shown in the following table.

¹ Fractional parts can be subject to a special type of rounding called banker's rounding. See 'Remarks' for more information.

Remarks

As a rule, you should use the Visual Basic type conversion functions in preference to the .NET Framework methods such as ToString(), either on the Convert class or on an individual type structure or class. The Visual Basic functions are designed for optimal interaction with Visual Basic code, and they also make your source code shorter and easier to read. In addition, the .NET Framework conversion methods do not always produce the same results as the Visual Basic functions, for example when converting Boolean to Integer. For more information, see Troubleshooting Data Types.

Starting with Visual Basic 15.8, the performance of floating-point-to-integer conversion is optimized when you pass the Single or Double value returned by the following methods to one of the integer conversion functions (CByte, CShort, CInt, CLng, CSByte, CUShort, CUInt, CULng):

This optimization allows code that does a large number of integer conversions to run up to twice as fast. The following example illustrates these optimized floating-point-to-integer conversions:

Behavior

• Coercion. In general, you can use the data type conversion functions to coerce the result of an operation to a particular data type rather than the default data type. For example, use CDec to force decimal arithmetic in cases where single-precision, double-precision, or integer arithmetic would normally take place.

• Failed Conversions. If the expression passed to the function is outside the range of the data type to which it is to be converted, an OverflowException occurs.

• Fractional Parts. When you convert a nonintegral value to an integral type, the integer conversion functions (CByte, CInt, CLng, CSByte, CShort, CUInt, CULng, and CUShort) remove the fractional part and round the value to the closest integer.

  If the fractional part is exactly 0.5, the integer conversion functions round it to the nearest even integer. For example, 0.5 rounds to 0, and 1.5 and 2.5 both round to 2. This is sometimes called banker's rounding, and its purpose is to compensate for a bias that could accumulate when adding many such numbers together.

  CInt and CLng differ from the Int and Fix functions, which truncate, rather than round, the fractional part of a number. Also, Fix and Int always return a value of the same data type as you pass in.

• Date/Time Conversions. Use the IsDate function to determine if a value can be converted to a date and time. CDate recognizes date literals and time literals but not numeric values. To convert a Visual Basic 6.0 Date value to a Date value in Visual Basic 2005 or later versions, you can use the DateTime.FromOADate method.

• Neutral Date/Time Values. The Date Data Type always contains both date and time information. For purposes of type conversion, Visual Basic considers 1/1/0001 (January 1 of the year 1) to be a neutral value for the date, and 00:00:00 (midnight) to be a neutral value for the time. If you convert a Date value to a string, CStr does not include neutral values in the resulting string. For example, if you convert #January 1, 0001 9:30:00# to a string, the result is '9:30:00 AM'; the date information is suppressed. However, the date information is still present in the original Date value and can be recovered with functions such as DatePart function.

• Culture Sensitivity. The type conversion functions involving strings perform conversions based on the current culture settings for the application. For example, CDate recognizes date formats according to the locale setting of your system. You must provide the day, month, and year in the correct order for your locale, or the date might not be interpreted correctly. A long date format is not recognized if it contains a day-of-the-week string, such as 'Wednesday'.

  If you need to convert to or from a string representation of a value in a format other than the one specified by your locale, you cannot use the Visual Basic type conversion functions. To do this, use the ToString(IFormatProvider) and Parse(String, IFormatProvider) methods of that value's type. For example, use Double.Parse when converting a string to a Double, and use Double.ToString when converting a value of type Double to a string.

CType Function

The CType Function takes a second argument, typename, and coerces expression to typename, where typename can be any data type, structure, class, or interface to which there exists a valid conversion.

For a comparison of CType with the other type conversion keywords, see DirectCast Operator and TryCast Operator.

Convert String To Integer - CodeProject

CBool Example

Convert String To Integer Javascript

The following example uses the CBool function to convert expressions to Boolean values. If an expression evaluates to a nonzero value, CBool returns True; otherwise, it returns False.

CByte Example

The following example uses the CByte function to convert an expression to a Byte.

CChar Example

The following example uses the CChar function to convert the first character of a String expression to a Char type.

The input argument to CChar must be of data type Char or String. You cannot use CChar to convert a number to a character, because CChar cannot accept a numeric data type. The following example obtains a number representing a code point (character code) and converts it to the corresponding character. It uses the InputBox function to obtain the string of digits, CInt to convert the string to type Integer, and ChrW to convert the number to type Char.

CDate Example

The following example uses the CDate function to convert strings to Date values. In general, hard-coding dates and times as strings (as shown in this example) is not recommended. Use date literals and time literals, such as #Feb 12, 1969# and #4:45:23 PM#, instead.

CDbl Example

CDec Example

The following example uses the CDec function to convert a numeric value to Decimal.

How To Convert String To Int

CInt Example

The following example uses the CInt function to convert a value to Integer.

CLng Example

The following example uses the CLng function to convert values to Long.

CObj Example

The following example uses the CObj function to convert a numeric value to Object. The Object variable itself contains only a four-byte pointer, which points to the Double value assigned to it.

CSByte Example

The following example uses the CSByte function to convert a numeric value to SByte.

CShort Example

The following example uses the CShort function to convert a numeric value to Short.

CSng Example

The following example uses the CSng function to convert values to Single.

CStr Example

The following example uses the CStr function to convert a numeric value to String.

The following example uses the CStr function to convert Date values to String values.

CStr always renders a Date value in the standard short format for the current locale, for example, '6/15/2003 4:35:47 PM'. However, CStr suppresses the neutral values of 1/1/0001 for the date and 00:00:00 for the time.

For more detail on the values returned by CStr, see Return Values for the CStr Function.

CUInt Example

The following example uses the CUInt function to convert a numeric value to UInteger.

CULng Example

The following example uses the CULng function to convert a numeric value to ULong.

CUShort Example

The following example uses the CUShort function to convert a numeric value to UShort.

See also