diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/dtypes.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/test/dtypes.c b/test/dtypes.c index 0d7a000..444a0a7 100644 --- a/test/dtypes.c +++ b/test/dtypes.c @@ -66,6 +66,7 @@ const char *FILENAME[] = { "dtypes4", "dtypes5", "dtypes6", + "dtypes7", NULL }; @@ -2365,6 +2366,265 @@ test_query(void) /*------------------------------------------------------------------------- + * Function: test_derived_flt + * + * Purpose: Tests user-define and query functions of floating-point types. + * + * Return: Success: 0 + * + * Failure: number of errors + * + * Programmer: Raymond Lu + * Thursday, Jan 6, 2005 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static int +test_derived_flt(void) +{ + hid_t file=-1, tid1=-1, tid2=-1; + char filename[1024]; + size_t precision, spos, epos, esize, mpos, msize, size, ebias; + int offset; + + TESTING("user-define and query functions of floating-point types"); + + /* Create File */ + h5_fixname(FILENAME[6], H5P_DEFAULT, filename, sizeof filename); + if((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT))<0) { + H5_FAILED(); + printf("Can't create file\n"); + goto error; + } + + if((tid1 = H5Tcopy(H5T_IEEE_F64LE))<0) { + H5_FAILED(); + printf("Can't copy data type\n"); + goto error; + } + + if((tid2 = H5Tcopy(H5T_IEEE_F32LE))<0) { + H5_FAILED(); + printf("Can't copy data type\n"); + goto error; + } + + /*------------------------------------------------------------------------ + * 1st floating-point type + * size=7 byte, precision=40 bits, offset=3 bits, mantissa size=31 bits, + * mantissa position=3, exponent size=10 bits, exponent position=34, + * exponent bias=511. It can be illustrated in little-endian order as + * + * 6 5 4 3 2 1 0 + * ???????? ???SEEEE EEEEEEMM MMMMMMMM MMMMMMMM MMMMMMMM MMMMM??? + * + * To create a new floating-point type, the following properties must be + * set in the order of + * set fields -> set offset -> set precision -> set size. + * All these properties must be set before the type can function. Other + * properties can be set anytime. Derived type size cannot be expanded + * bigger than original size but can be decreased. There should be no + * holes among the significant bits. Exponent bias usually is set + * 2^(n-1)-1, where n is the exponent size. + *-----------------------------------------------------------------------*/ + if(H5Tset_fields(tid1, 44, 34, 10, 3, 31)<0) { + H5_FAILED(); + printf("Can't set fields\n"); + goto error; + } + if(H5Tset_offset(tid1, 3)<0) { + H5_FAILED(); + printf("Can't set offset\n"); + goto error; + } + if(H5Tset_precision(tid1, 42)<0) { + H5_FAILED(); + printf("Can't set precision\n"); + goto error; + } + if(H5Tset_size(tid1, 7)<0) { + H5_FAILED(); + printf("Can't set size\n"); + goto error; + } + if(H5Tset_ebias(tid1, 511)<0) { + H5_FAILED(); + printf("Can't set exponent bias\n"); + goto error; + } + if(H5Tset_pad(tid1, H5T_PAD_ZERO, H5T_PAD_ZERO)<0) { + H5_FAILED(); + printf("Can't set padding\n"); + goto error; + } + + if(H5Tcommit(file, "new float type 1", tid1)<0) { + H5_FAILED(); + printf("Can't set inpad\n"); + goto error; + } + if(H5Tclose(tid1)<0) { + H5_FAILED(); + printf("Can't close datatype\n"); + goto error; + } + + if((tid1 = H5Topen(file, "new float type 1"))<0) { + H5_FAILED(); + printf("Can't open datatype\n"); + goto error; + } + if(H5Tget_fields(tid1, &spos, &epos, &esize, &mpos, &msize)<0) { + H5_FAILED(); + printf("Can't get fields\n"); + goto error; + } + if(spos!=44 || epos!=34 || esize!=10 || mpos!=3 || msize!=31) { + H5_FAILED(); + printf("Wrong field values\n"); + goto error; + } + + if((precision = H5Tget_precision(tid1))!=42) { + H5_FAILED(); + printf("Can't get precision or wrong precision\n"); + goto error; + } + if((offset = H5Tget_offset(tid1))!=3) { + H5_FAILED(); + printf("Can't get offset or wrong offset\n"); + goto error; + } + if((size = H5Tget_size(tid1))!=7) { + H5_FAILED(); + printf("Can't get size or wrong size\n"); + goto error; + } + if((ebias = H5Tget_ebias(tid1))!=511) { + H5_FAILED(); + printf("Can't get exponent bias or wrong bias\n"); + goto error; + } + + /*-------------------------------------------------------------------------- + * 2nd floating-point type + * size=3 byte, precision=12 bits, offset=5 bits, mantissa size=8 bits, + * mantissa position=5, exponent size=3 bits, exponent position=13, exponent + * bias=3. It can be illustrated in little-endian order as + * + * 2 1 0 + * SEEEEEEE MMMMMMMM MMMMMMMM + *--------------------------------------------------------------------------*/ + if(H5Tset_fields(tid2, 23, 16, 7, 0, 16)<0) { + H5_FAILED(); + printf("Can't set fields\n"); + goto error; + } + if(H5Tset_offset(tid2, 0)<0) { + H5_FAILED(); + printf("Can't set offset\n"); + goto error; + } + if(H5Tset_precision(tid2, 24)<0) { + H5_FAILED(); + printf("Can't set precision\n"); + goto error; + } + if(H5Tset_size(tid2, 3)<0) { + H5_FAILED(); + printf("Can't set size\n"); + goto error; + } + if(H5Tset_ebias(tid2, 63)<0) { + H5_FAILED(); + printf("Can't set size\n"); + goto error; + } + if(H5Tset_pad(tid2, H5T_PAD_ZERO, H5T_PAD_ZERO)<0) { + H5_FAILED(); + printf("Can't set padding\n"); + goto error; + } + + if(H5Tcommit(file, "new float type 2", tid2)<0) { + H5_FAILED(); + printf("Can't set inpad\n"); + goto error; + } + if(H5Tclose(tid2)<0) { + H5_FAILED(); + printf("Can't close datatype\n"); + goto error; + } + + if((tid2 = H5Topen(file, "new float type 2"))<0) { + H5_FAILED(); + printf("Can't open datatype\n"); + goto error; + } + if(H5Tget_fields(tid2, &spos, &epos, &esize, &mpos, &msize)<0) { + H5_FAILED(); + printf("Can't get fields\n"); + goto error; + } + if(spos!=23 || epos!=16 || esize!=7 || mpos!=0 || msize!=16) { + H5_FAILED(); + printf("Wrong field values\n"); + goto error; + } + + if((precision = H5Tget_precision(tid2))!=24) { + H5_FAILED(); + printf("Can't get precision or wrong precision\n"); + goto error; + } + if((offset = H5Tget_offset(tid2))!=0) { + H5_FAILED(); + printf("Can't get offset or wrong offset\n"); + goto error; + } + if((size = H5Tget_size(tid2))!=3) { + H5_FAILED(); + printf("Can't get size or wrong size\n"); + goto error; + } + if((ebias = H5Tget_ebias(tid2))!=63) { + H5_FAILED(); + printf("Can't get exponent bias or wrong bias\n"); + goto error; + } + + if(H5Tclose(tid2)<0) { + H5_FAILED(); + printf("Can't close datatype\n"); + goto error; + } + + if(H5Fclose(file)<0) { + H5_FAILED(); + printf("Can't close file\n"); + goto error; + } /* end if */ + + PASSED(); + reset_hdf5(); /*print statistics*/ + + return 0; + + error: + H5E_BEGIN_TRY { + H5Tclose (tid1); + H5Tclose (tid2); + H5Fclose (file); + } H5E_END_TRY; + reset_hdf5(); /*print statistics*/ + return 1; +} + + +/*------------------------------------------------------------------------- * Function: test_transient * * Purpose: Tests transient data types. @@ -7027,6 +7287,10 @@ main(void) nerrors += test_conv_bitfield(); nerrors += test_opaque(); + /* Test user-define, query functions and software conversion + * for user-defined floating-point types */ + nerrors += test_derived_flt(); + /* Does floating point overflow generate a SIGFPE? */ generates_sigfpe(); |