File Content: test.c /*****************************************************************************/ /* */ /* Copyright (c) 2002 - 2013 by Steffen Beyer. */ /* All rights reserved. */ /* */ /* This program is free software; you can redistribute it */ /* and/or modify it under the same terms as Perl itself. */ /* */ /*****************************************************************************/ /******************************************************/ /* */ /* Example for using the BitVector.c library from C */ /* */ /* (Just for playing around; also shows how one can */ /* deal with error handling) */ /* */ /* Copy ToolBox.h, BitVector.h and BitVector.o to */ /* this directory, then compile this file and link */ /* with BitVector.o, e.g. with */ /* */ /* gcc -o test test.c BitVector.o */ /* */ /******************************************************/ #include <stdio.h> #include "ToolBox.h" #include "BitVector.h" void ListErrCode(ErrCode code) { if (code) fprintf(stdout, "BitVector ErrCode %2d: %s\n", code, BitVector_Error(code)); } void PrintErrorMessage(ErrCode code, char *name) { if (code) fprintf(stdout, "Bit::Vector::%s(): %s\n", name, BitVector_Error(code)); } #define FATAL_ERROR(name,code) \ { fprintf(stderr, "Bit::Vector::" name "(): %s\n", BitVector_Error(code)); exit(code); } int main(void) { N_int bits = 5; // N_char x[] = "001010"; /* 10 */ N_char x[] = "001x10"; /* 10 */ // N_char y[] = "000100"; /* 4 */ // N_char y[] = "000111"; /* 7 */ N_char y[] = "001111"; /* 63 */ wordptr X; wordptr Y; wordptr Z; ErrCode err; boolean ovrflw; boolean carry = false; ListErrCode( 0); ListErrCode( 1); ListErrCode( 2); ListErrCode( 3); ListErrCode( 4); ListErrCode( 5); ListErrCode( 6); ListErrCode( 7); ListErrCode( 8); ListErrCode( 9); ListErrCode(10); ListErrCode(11); ListErrCode(12); ListErrCode(13); ListErrCode(14); ListErrCode(15); ListErrCode(16); ListErrCode(17); ListErrCode(18); ListErrCode(19); ListErrCode(20); err = BitVector_Boot(); if (err) FATAL_ERROR("Boot", err); printf("Number of bits in a WORD: %d\n", BitVector_Word_Bits()); printf("Number of bits in a LONG: %d\n", BitVector_Long_Bits()); X = BitVector_Create(bits, 1); if (X == NULL) FATAL_ERROR("Create", ErrCode_Null); err = BitVector_from_Bin(X, x); PrintErrorMessage(err,"from_Bin"); Y = BitVector_Create(bits, 1); if (Y == NULL) FATAL_ERROR("Create", ErrCode_Null); err = BitVector_from_Bin(Y, y); PrintErrorMessage(err,"from_Bin"); Z = BitVector_Create(bits, 1); if (Z == NULL) FATAL_ERROR("Create", ErrCode_Null); ovrflw = BitVector_add(Z, X, Y, &carry); printf("result of %s + %s is %s (carry = %d, overflow = %d)\n", BitVector_to_Dec(X), /* Beware of the memory leaks here! */ BitVector_to_Dec(Y), /* Should call "BitVector_Dispose()" */ BitVector_to_Dec(Z), /* on these strings after use! */ carry, ovrflw); err = BitVector_Multiply(Z, X, Y); printf("result of %s * %s is %s\n", BitVector_to_Dec(X), /* Beware of the memory leaks here! */ BitVector_to_Dec(Y), /* Should call "BitVector_Dispose()" */ BitVector_to_Dec(Z)); /* on these strings after use! */ PrintErrorMessage(err,"Multiply"); return(0); } Submit