diff options
Diffstat (limited to 'test/h5test.h')
| -rw-r--r-- | test/h5test.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/test/h5test.h b/test/h5test.h index 6c6993b..41d476c 100644 --- a/test/h5test.h +++ b/test/h5test.h @@ -123,15 +123,18 @@ extern MPI_Info h5_io_info_g; /* MPI INFO object for IO */ * 1. XXX_ABS_EQUAL - check if the difference is smaller than the * Epsilon value. The Epsilon values, FLT_EPSILON, DBL_EPSILON, * and LDBL_EPSILON, are defined by compiler in float.h. - * 2. To be defined later. + * 2. XXX_REL_EQUAL - check if the relative difference is smaller than a + * predefined value M. See if two values are relatively equal. + * It's the test's responsibility not to pass in the value 0, which + * may cause the equation to fail. */ #define FLT_ABS_EQUAL(X,Y) (fabsf(X-Y)<FLT_EPSILON) #define DBL_ABS_EQUAL(X,Y) (fabs(X-Y)<DBL_EPSILON) #define LDBL_ABS_EQUAL(X,Y) (fabsl(X-Y)<LDBL_EPSILON) -/*#define FP_ABS_UNEQUAL(X,Y,T) ((T==1 && fabsf(X-Y)>FLT_EPSILON) || \ - (T==2 && fabs(X-Y)>DBL_EPSILON) || \ - (T==3 && fabsl(X-Y)>LDBL_EPSILON))*/ +#define FLT_REL_EQUAL(X,Y,M) (fabsf((Y-X)/X<M) +#define DBL_REL_EQUAL(X,Y,M) (fabs((Y-X)/X)<M) +#define LDBL_REL_EQUAL(X,Y,M) (fabsl((Y-X)/X)<M) #ifdef __cplusplus extern "C" { @@ -174,7 +177,6 @@ H5TEST_DLL const void *GetTestParameters(void); H5TEST_DLL int TestErrPrintf(const char *format, ...); H5TEST_DLL void SetTest(const char *testname, int action); - #ifdef H5_HAVE_FILTER_SZIP H5TEST_DLL int h5_szip_can_encode(void); #endif /* H5_HAVE_FILTER_SZIP */ |