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/*
* Modification History
*
* 2002-May-25 Jason Rohrer
* Created.
*/
#include "minorGems/math/BigInt.h"
#include <stdio.h>
int main() {
unsigned char intA[] = { 100, 200, 99, 23, 89, 100, 233 };
unsigned char intB[] = { 10, 78, 243, 9, 0 };
BigInt *bigIntA = new BigInt( 1, 7, intA );
BigInt *bigIntB = new BigInt( -1, 5, intB );
char *hexA = bigIntA->convertToHexString();
char *hexB = bigIntB->convertToHexString();
printf( "A = %s\n", hexA );
printf( "B = %s\n", hexB );
BigInt *sum = bigIntA->subtract( bigIntB );
char *hexSum = sum->convertToHexString();
printf( "Sum = %s\n", hexSum );
delete [] hexA;
delete [] hexB;
delete [] hexSum;
delete bigIntA;
delete bigIntB;
delete sum;
int c = 0x58B11F;
BigInt *intC = new BigInt( c );
char *hexC = intC->convertToHexString();
printf( "C = %s\n", hexC );
int extractedC = intC->convertToInt();
if( extractedC == c ) {
printf( "equal\n" );
}
else {
printf( "not equal\n" );
}
delete [] hexC;
delete intC;
int limit = 300;
printf( "Testing pair operations for all pairs in -%d..%d ...\n",
limit, limit );
char failed = false;
for( int i=-limit; i<limit && !failed; i++ ) {
BigInt *intI = new BigInt( i );
for( int j=-limit; j<limit && !failed; j++ ) {
BigInt *intJ = new BigInt( j );
BigInt *intSum = intI->add( intJ );
BigInt *intDiff = intI->subtract( intJ );
int sum = i + j;
int diff = i - j;
if( sum != intSum->convertToInt() ) {
printf( "sum test failed for %d, %d\n", i, j );
printf( " real sum = %d, computed sum = %d\n",
sum, intSum->convertToInt() );
failed = true;
}
if( diff != intDiff->convertToInt() ) {
printf( "diff test failed for %d, %d\n", i, j );
printf( " real diff = %d, computed diff = %d\n",
diff, intDiff->convertToInt() );
failed = true;
}
if( intI->isLessThan( intJ ) && ( i >= j ) ) {
printf( "first less than test failed for %d, %d\n", i, j );
failed = true;
}
if( intJ->isLessThan( intI ) && ( j >= i ) ) {
printf( "second less than test failed for %d, %d\n", i, j );
failed = true;
}
if( intI->isEqualTo( intJ ) && ( i != j ) ) {
printf( "equality test failed for %d, %d\n", i, j );
failed = true;
}
delete intSum;
delete intDiff;
delete intJ;
}
delete intI;
}
if( !failed ) {
printf( "test passed\n" );
}
return 0;
}
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