Labels:book | poster | reckoner OCR: 620 Chapter 1 C Library and Preprocessor Facilities demonstrate that the value meaningless in case of error. This output 1 done in this program for the other three functions also. Learning Activity 11 addresses this action. Note 4. The tan () function excludes the value PI/ from its domain The function value is undefined when X is PI/ Qf -PI Note 5 Errors occur with the pow function when either x is 0 and T is nega tive when Y negative and n is not an integer. Note 6: The value errno Is checked before calling perror ) In most implementations ou eTTTT has occurred in cases where errno zero Note The value of errno is set to zero to clear the error condition >Learning Activities If you have an ANSI C compiler or are working on a UNIX sys- tem compile math.c and test it with different sets of ...
