C ldexp() Function
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C ldexp() Function
The ldexp()
function returns x multiplied by 2 raised to the power of exponent.
This function is defined in <math.h> header file.
Example
C Compiler
#include <stdio.h>
#include <math.h>
int main() {
double x = 4, ret;
int e = 3;
ret = ldexp(x, e);
printf("%f * 2^%d = %f\n", x, e, ret);
return 0;
}
Output
4.000000 * 2^3 = 32.000000
Syntax
double ldexp(double x, int e)
Parameter Values
Value | Type | Explanation |
---|---|---|
x | Required | Specifies the significand. |
e | Required | Specifies the exponent. |
Return Value
Value | Explanation |
---|---|
Number | Returns x multiplied by 2 raised to the power of exponent. |
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