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- /* pow.c from page 234*/
- #include <stdio.h>
- #include <stdlib.h>
- #include<math.h>
- main(int argc, char **argv)
- {
- double x, y, result;
- if(argc < 3)
- {
- printf("usage: %s <x> <y>\n", argv[0]);
- }
- else
- {
- x = atof(argv[1]);
- y = atof(argv[2]);
- result = pow(x, y);
- if(errno != ERANGE)
- {
- printf("%s raised to the power of %s = %f\n",
- argv[1], argv[2], result);
- }
- }
- }