This function determines whether the first argument is less than or equal to the second argument.

[Classification]

Mathematical library

[Syntax]

#include <math.h>

int islessequal(real-floating x, real-floating y); (C99)

[Return value]

Returns the result of '(x) <= (y)'.

[Description]

This function determines whether the first argument is less than or equal to the second argument.