How do you print a long float?
- you have to explicitly cast: printf(“%.3f”, (float)b/a); – Jean-François Fabre ♦ May 6, 2017 at 8:40.
- You must cast either one of a or b to floating point first. Try: a/(double)b. – Dan Byström. May 6, 2017 at 8:43.
- The first one is wrong, too: %d takes an int , not a long long int . You need %lld for that. – melpomene.
How do you print a float in C?
We can print the double value using both %f and %lf format specifier because printf treats both float and double are same. So, we can use both %f and %lf to print a double value.
Is %f float in C?
Format Specifiers in C
Specifier | Used For |
---|---|
%f | a floating point number for floats |
%u | int unsigned decimal |
%e | a floating point number in scientific notation |
%E | a floating point number in scientific notation |
How do I print a long in C?
To print a long value, use the %ld format specifier. You can use the l prefix for x and o, too. So you would use %lx to print a long integer in hexadecimal format and %lo to print in octal format. C allows both uppercase and lowercase letters for constant suffixes, these format specifiers use just lowercase.
What does .2f mean in C?
we now see that the format specifier “%. 2f” tells the printf method to print a floating point value (the double, x, in this case) with 2 decimal places.
What is LF in C?
For printf , arguments of type float are promoted to double so both %f and %lf are used for double . For scanf , you should use %f for float and %lf for double .
How do you print a float value?
k = x + 1 + y ( + 1 for the dot) and float_variable_name is the float variable that you want to get printed. Suppose you want to print x digits before the decimal point and y digits after it.
How do I print a long double?
%Lf format specifier for long double
%lf and %Lf plays different role in printf. So, we should use %Lf format specifier for printing a long double value.
What is long in C?
Longer integers: long
The long data type stores integers like int , but gives a wider range of values at the cost of taking more memory. Long stores at least 32 bits, giving it a range of -2,147,483,648 to 2,147,483,647. Alternatively, use unsigned long for a range of 0 to 4,294,967,295.
What is %f in printf?
The f in printf stands for formatted, its used for printing with formatted output. Follow this answer to receive notifications.
What is %g in printf?
According to most sources I’ve found, across multiple languages that use printf specifiers, the %g specifier is supposed to be equivalent to either %f or %e – whichever would produce shorter output for the provided value.
What does %5d mean in C?
Example: “%05d” will be “00123” after processing. – period followed by the second string of numbers specifies accuracy, i.e. maximum number of decimal places. Example: “%6.3f” will be “12.345” after processing, “%. 2f” will be “12.34” after processing.
Is %f for float or double?
Basic types
Type | Size (bytes) | Format Specifier |
---|---|---|
float | 4 | %f |
double | 8 | %lf |
short int | 2 usually | %hd |
unsigned int | at least 2, usually 4 | %u |
How do I print long?
You must use %ld to print a long int , and %lld to print a long long int . Note that only long long int is guaranteed to be large enough to store the result of that calculation (or, indeed, the input values you’re using).
How do I print long integers?
What does .2f mean in c?
Is there a long double in c?
long double in C
The long double type was present in the original 1989 C standard, but support was improved by the 1999 revision of the C standard, or C99, which extended the standard library to include functions operating on long double such as sinl() and strtold() .
Is long a data type in C?
They include (a) Pointer types, (b) Array types, (c) Structure types, (d) Union types and (e) Function types.
…
Integer Types.
Type | Storage size | Value range |
---|---|---|
long | 8 bytes or (4bytes for 32 bit OS) | -9223372036854775808 to 9223372036854775807 |
unsigned long | 8 bytes | 0 to 18446744073709551615 |
What is %d in printf?
%d specifies signed decimal integer while %i specifies integer.
What does %d do?
%d tells printf that the corresponding argument is to be treated as an integer value; the type of the corresponding argument must be int .
What is a char * in C?
The abbreviation char is used as a reserved keyword in some programming languages, such as C, C++, C#, and Java. It is short for character, which is a data type that holds one character (letter, number, etc.) of data. For example, the value of a char variable could be any one-character value, such as ‘A’, ‘4’, or ‘#’.
What is %5d in printf?
What does %6d mean in C?
%6d. The width (here 6) specifies the minimum number of characters to be printed. If the value to be printed is shorter than this number, the result is padded with blank spaces. The value is not truncated even if the result is larger. Example: printf(“%.6d\n%6d”,1,1);
Is %F for double?
“%f” is the (or at least one) correct format for a double. There is no format for a float , because if you attempt to pass a float to printf , it’ll be promoted to double before printf receives it1.
What does %d and %f means in C?
%s refers to a string data type, %f refers to a float data type, and %d refers to a double data type.