| #include <pocketsphinx/logmath.h> |
|
|
| #include "test_macros.h" |
|
|
| #undef LOG_EPSILON |
| #define LOG_EPSILON 1500 |
|
|
| int |
| main(int argc, char *argv[]) |
| { |
| logmath_t *lmath; |
| int32 rv; |
|
|
| (void)argc; |
| (void)argv; |
| 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; |
| } |
|
|
