C Tutorial/math.h/scalbln — различия между версиями

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.

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