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Function Details : nexttowardl

long doublenexttowardl(long double x,long double y) ;

Return Type : long double

A floating-point type with extended precision, typically larger than `double` and used for high-precision arithmetic. The size and precision depend on the platform but are often 80 or 128 bits.
Read about return values of nexttowardl function .

1st Parameter Type : long double

A floating-point type with extended precision, typically larger than `double` and used for high-precision arithmetic. The size and precision depend on the platform but are often 80 or 128 bits.

1st Parameter

The starting long double value.

2nd Parameter Type : long double

A floating-point type with extended precision, typically larger than `double` and used for high-precision arithmetic. The size and precision depend on the platform but are often 80 or 128 bits.

2nd Parameter

The target long double value towards which `x` will be incremented or decremented.

Read more about parameters of nexttowardl in parameters section
The nexttowardlfunction in C language Returns the next representable long double value of the first argument towards the second argument, specified as a long double.
The nexttowardl function returns the next representable long double floating-point value following x in the direction of y. If x equals y, the function returns y. If either x or y is NaN, NaN is returned. This function is similar to nextafterl but uses long double precision for both arguments and the return value.
The nexttowardlfunction takes 2 parameters:
  • •
    long double `x`: The starting long double value.
  • •
    long double `y`: The target long double value towards which `x` will be incremented or decremented.
Returns the next representable long double value after `x` in the direction of `y`. If `x` equals `y`, the function returns `y`. Handles subnormal values and overflows, returning ±infinity in the latter case. This function is designed for precise floating-point arithmetic and rounding in extended precision.
The nexttowardl function return value :
  • Returns the next representable long double value after x in the direction of y

Output

This example demonstrates how nexttowardl finds the next representable long double value towards another long double value.