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#include <logmath.h>
#include "test_macros.h"
#define LOG_EPSILON 1500
int
main(int argc, char *argv[])
{
logmath_t *lmath;
int32 rv;
lmath = logmath_init(1.003, 0, 1);
TEST_ASSERT(lmath);
printf("log(1e-48) = %d\n", logmath_log(lmath, 1e-48));
TEST_EQUAL_LOG(logmath_log(lmath, 1e-48), -36896);
printf("exp(log(1e-48)) = %e\n",logmath_exp(lmath, -36896));
TEST_EQUAL_FLOAT(logmath_exp(lmath, -36896), 1e-48);
printf("log(42) = %d\n", logmath_log(lmath, 42));
TEST_EQUAL_LOG(logmath_log(lmath, 42), 1247);
printf("exp(log(42)) = %f\n",logmath_exp(lmath, 1247));
TEST_EQUAL_FLOAT(logmath_exp(lmath, 1247), 41.9);
TEST_EQUAL_LOG(logmath_add(lmath, logmath_log(lmath, 1e-48),
logmath_log(lmath, 5e-48)),
logmath_log(lmath, 6e-48));
TEST_EQUAL_LOG(logmath_add(lmath, logmath_log(lmath, 1e-48),
logmath_log(lmath, 42)), 1247);
rv = logmath_write(lmath, "tmp.logadd");
TEST_EQUAL(rv, 0);
logmath_free(lmath);
lmath = logmath_read("tmp.logadd");
TEST_ASSERT(lmath);
TEST_EQUAL_LOG(logmath_log(lmath, 1e-48), -36896);
TEST_EQUAL_LOG(logmath_log(lmath, 42), 1247);
TEST_EQUAL_LOG(logmath_add(lmath, logmath_log(lmath, 1e-48),
logmath_log(lmath, 5e-48)),
logmath_log(lmath, 6e-48));
TEST_EQUAL_LOG(logmath_add(lmath, logmath_log(lmath, 1e-48),
logmath_log(lmath, 42)), 1247);
logmath_free(lmath);
return 0;
}
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