Inner step of multiplication in x64 assembly

[ipdf/code.git] / src / tests / arb.cpp

diff --git a/src/tests/arb.cpp b/src/tests/arb.cpp
index c867a8f..354c337 100644 (file)
--- a/src/tests/arb.cpp
+++ b/src/tests/arb.cpp
@@ -9,9 +9,17 @@ using namespace IPDF;
 
 int main(int argc, char ** argv)
 {
-       Arbint a(100L);
-       Arbint b(200L);
+       int64_t test[] = {12L, 5L};
+       test[1] = 0xE000000000000000;
+       int64_t size = sizeof(test)/sizeof(int64_t);
        
-       Arbint c(b-a);
-       printf("(%d), %s\n",c.Sign(), c.DigitStr().c_str());
+       int64_t mul = 2L;
+       
+       int64_t overflow = mul_digits(test, mul, size);
+       
+       for (int64_t i = 0; i < size; ++i)
+       {
+               printf("digit[%li] = %.16lx\n", i, test[i]);
+       }
+       printf("Overflow is %.16lx\n", overflow);
 }