C Tutorial/math.h/isless

int isless(a, b): Returns nonzero if a is less than b.

<source lang="cpp">#include <stdio.h>

1. include <math.h>

int main(void) {

 printf("%d", isless(1.0, 2.0));
 printf("%d", isless(1.0, 1.0));
 printf("%d", isless(2.0, 1.0));
 return 0;

}</source>

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