scalbn : scalbn « math.h « C Tutorial






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ItemValue
Header filemath.h
Declarationfloat scalbnf(float val, int exp);
double scalbn(double val, int exp);
long double scalbnl(long double val, int exp);
Returnreturns val * FLT_RADIX^exp


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

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

  int main(void)
  {

    printf("%f\n", scalbn (11,2));

    return 0;
  }

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19.62.scalbn
19.62.1.scalbn