islessequal - C math.h

C examples for math.h:islessequal

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type

macro

From 

<cmath>
<ctgmath>
<math.h>

Description

Returns whether x is less than or equal to y.

If one or both arguments are NaN, the function returns false.

Prototype 

bool islessequal (float x      , float y);
bool islessequal (double x     , double y);
bool islessequal (long double x, long double y);
     islessequal(x,y)

Parameters

Parameter Description
x Values to be compared.
y Values to be compared.

Return value

The same as (x)<=(y): true (1) if x is less than or equal to y. false (0) otherwise.

Example

Demo Code


#include <stdio.h>
#include <math.h>

int main ()//  w w w . j av a 2s. co m
{
  double result;
  result = log (10.0);

  if (islessequal(result,0.0))
      printf ("log(10.0) is not positive");
  else
      printf ("log(10.0) is positive");

  return 0;
}

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