#include int main(argc, argv) int argc; char *argv; { int exp; char buf[1024]; double num; int i; double atof(); if (argc > 1) { for (i = 0; i < 20; i++) { for (exp = -300; exp <= 300; exp++) { sprintf(buf, "1e%d", exp); sscanf(buf, "%lf", &num); } } } else { for (i = 0; i < 20; i++) { for (exp = -300; exp <= 300; exp++) { sprintf(buf, "1e%d", exp); num = atof(buf); } } } return 0; }