C language example - output double precision (double) number
C Language ExamplesUsageprintf()and%eOutput double-precision number.
Example
#include <stdio.h>
int main() {
double d; // Declare a double-precision variable
d = 12.001234; // Define a double-precision variable
printf("The value of d is %le", d);
return 0;
}
Output result:
d 的值为 1.200123e+01other extensions