4) Type-generic macro: If the argument has type long double, sinl is called. These ranges may vary from compiler to compiler. Fact is, They can derive many data types … long double in C History. Double. To avoid the problem you facing you got to device your own data structure to represent precision you require. If the argument is complex, then the macro invokes the corresponding complex function (csinf, csin, csinl). It has 15 decimal digits of precision. The following table provide the details of standard floating-point types with storage sizes and value ranges and their precision − Type Storage size Value range Precision; float: 4 byte: 1.2E-38 to 3.4E+38: 6 decimal places: double: 8 byte: 2.3E-308 to 1.7E+308: 15 decimal places: long double: 10 … You can convert any integral numeric type to any other integral numeric type. 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().. Long double constants are floating-point constants suffixed with "L" or "l" (lower-case L), e.g., 0.333333333333333333L. c documentation: Single precision and long double precision floating-point remainder: fmodf(), fmodl() Double-precision is declared using the keyword double. When using non-integer numeric types in C#, it is important to know the pros and cons of each specific type. But how C programmer manages with only 3 data types. long double: for numbers with extended precision. Otherwise, you need to use a cast expression to perform an explicit conversion. ; decimal is instead more accurate than the two others, at the cost of performance. double: It is used to store decimal numbers (numbers with floating point value) with double precision. -1.7e308 to +1.7e308 (15 decimal precision) long double 10-1.7e4932 to +1.7e4932 (19 decimal precision) Mainly, the primary data types are of three varieties, char int, and float. It is a 64-bit IEEE 754 double precision floating point number for the value. var signedByte = (sbyte)42; var longVariable = (long)42; Conversions. Live Demo Different data types also have different ranges upto which they can store numbers. conversion from long double to decimal with at least DECIMAL_DIG digits and back to long double is the identity conversion: this is the decimal precision required to serialize/deserialize a long double (macro constant) Regards, Bhuwan Chopra. long double: Real floating-point type, usually mapped to an extended precision floating-point number format. Otherwise, sinf is called. float: for numbers with single precision. double: for numbers with double precision. Here is the syntax of double in C language, double variable_name; Here is an example of double in C language, Example. The following table illustrates the technical attributes of various floating-point types in C. It is important to notice that this is only the minimal requirement for storage size defined by C. If the destination type can store all values of the source type, the conversion is implicit. 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