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more tests for quantize

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This commit is contained in:
Edward Hartnett 2021-09-02 08:18:27 -06:00
parent e2570c322c
commit 09defc5c72
1 changed files with 24 additions and 15 deletions
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39
nc_test4/tst_quantize.c
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@ -788,22 +788,31 @@ main(int argc, char **argv)
union FU xpect[DIM_LEN_8];
union DU double_xpect[DIM_LEN_8];
/* This test comes up with different answers to this than
* the corresponding bitgroom filter test, but that's
* OK. In netcdf-c quantization is applied as the data are
* written by the user, but in HDF5 filters, the bitgroom
* filter is applied to all data values as they are
* written to disk. See
* https://github.com/ccr/ccr/issues/194 for a full
* explanation. */
xpect[0].u = 0x42c60000;
xpect[1].u = 0xc2c60fff;
xpect[1].u = 0xc2c60000;
xpect[2].u = 0x461c3000;
xpect[3].u = 0xc61c3fff;
xpect[3].u = 0xc61c3000;
xpect[4].u = 0x4b189000;
xpect[5].u = 0xcb189fff;
xpect[6].u = 0x4e6e6000;
xpect[7].u = 0xce6e6fff;
xpect[5].u = 0xcb189000;
xpect[6].u = 0x4e6e6b28;
xpect[6].u = 0x4e6e6000;
xpect[7].u = 0xce6e6000;
double_xpect[0].u = 0x4058c00000000000;
double_xpect[1].u = 0xc058c1ffffffffff;
double_xpect[1].u = 0xc058c00000000000;
double_xpect[2].u = 0x40c3860000000000;
double_xpect[3].u = 0xc0c387ffffffffff;
double_xpect[3].u = 0xc0c3860000000000;
double_xpect[4].u = 0x4163120000000000;
double_xpect[5].u = 0xc16313ffffffffff;
double_xpect[5].u = 0xc163120000000000;
double_xpect[6].u = 0x41cdcc0000000000;
double_xpect[7].u = 0xc1cdcdffffffffff;
double_xpect[7].u = 0xc1cdcc0000000000;
for (x = 0; x < DIM_LEN_8; x++)
{
@ -811,14 +820,14 @@ main(int argc, char **argv)
union DU dfin;
fin.f = float_data_in[x];
dfin.d = double_data_in[x];
printf ("%d float_data_in : %08.8f : 0x%x expected %08.8f : 0x%x\n",
x, float_data_in[x], fin.u, xpect[x].f, xpect[x].u);
/* printf ("%d float_data_in : %08.8f : 0x%x expected %08.8f : 0x%x\n", */
/* x, float_data_in[x], fin.u, xpect[x].f, xpect[x].u); */
/* printf ("%d double_data_in : %15g : 0x%lx expected %15g : 0x%lx\n", */
/* x, double_data_in[x], dfin.u, double_xpect[x].d, double_xpect[x].u); */
/* if (fin.u != xpect[x].u) */
/* ERR; */
/* if (dfin.u != double_xpect[x].u) */
/* ERR; */
if (fin.u != xpect[x].u)
ERR;
if (dfin.u != double_xpect[x].u)
ERR;
}
/* Close the file. */