/* ------------------------------------------------------------------ */ /* Decimal Number Library Demonstration program */ /* ------------------------------------------------------------------ */ /* Copyright (c) IBM Corporation, 2001, 2007. All rights reserved. */ /* ----------------------------------------------------------------+- */ /* right margin -->| */ // example1.c -- convert the first two argument words to decNumber, // add them together, and display the result #define DECNUMDIGITS 34 // work with up to 34 digits #include "decNumber.h" // base number library #include // for printf int main(int argc, char *argv[]) { decNumber a, b; // working numbers decContext set; // working context char string[DECNUMDIGITS+14]; // conversion buffer decContextTestEndian(0); // warn if DECLITEND is wrong if (argc<3) { // not enough words printf("Please supply two numbers to add.\n"); return 1; } decContextDefault(&set, DEC_INIT_BASE); // initialize set.traps=0; // no traps, thank you set.digits=DECNUMDIGITS; // set precision decNumberFromString(&a, argv[1], &set); decNumberFromString(&b, argv[2], &set); decNumberAdd(&a, &a, &b, &set); // a=a+b decNumberToString(&a, string); printf("%s + %s => %s\n", argv[1], argv[2], string); return 0; } // main