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40 lines
882 B

#include "test_I.h"
int test_I_integer_length (int iterations)
{
int error = 0;
int i;
// Check against ash.
for (i = iterations; i > 0; i--) {
cl_I a = testrandom_I();
uintL l = integer_length(a);
if (a >= 0) {
#if !(defined(__GNUC__) && (__GNUC_MINOR__ < 8))
ASSERT1(a < ash(1,l) && (a == 0 ? l == 0 : l > 0 && a >= ash(1,l-1)), a);
#else // work around g++ 2.7.0 bug
int b = 0;
if (a < ash(1,l)) {
if (a == 0)
b = (l == 0);
else
b = (l > 0 && a >= ash(1,l-1));
}
ASSERT1(b, a);
#endif
} else {
#if !(defined(__GNUC__) && (__GNUC_MINOR__ < 8))
ASSERT1(a >= ash(-1,l) && (a == -1 ? l == 0 : l > 0 && a < ash(-1,l-1)), a);
#else // work around g++ 2.7.0 bug
int b = 0;
if (a >= ash(-1,l)) {
if (a == -1)
b = (l == 0);
else
b = (l > 0 && a < ash(-1,l-1));
}
ASSERT1(b, a);
#endif
}
}
return error;
}