C Tutorial/math.h/scalbln

scalbln

Item Value Header file math.h Declaration float scalblnf(float val, long int exp);double scalbln(double val, long int exp);long double scalblnl(long double val, long int exp); Return returns val * FLT_RADIX^exp

The macro FLT_RADIX is defined in <float.h>, and its value is the radix of exponent representation.

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

 #include <stdio.h>
 int main(void)
 {
   printf("%f\n", scalbln (11,2));
   return 0;
 }</source>