math.h Header File math.h Declare mathematics functions #include <math.h> math.h is the header file to be included with programs that use any of COHERENT's mathematics routines. It includes the following: definitions for mathematical functions; error return values, as used by the errno function; definitions of mathemati- cal constants, e.g., HUGE_VAL; the definition of structure cpx, which describes complex variables; definitions of internal com- piler functions; and, finally, declarations of all mathematical functions. ***** See Also ***** header files, mathematics library COHERENT Lexicon Page 1