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Add predefined datatypes for FP6 formats (#6097)

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Adds predefined datatypes for FP6 data in E2M3 and E3M2 formats

Does not add support for any native FP6 types; datatype conversions are performed in software
This commit is contained in:
jhendersonHDF
2025-12-19 12:56:54 -06:00
committed by GitHub
parent 0b0ed3ac50
commit 441d83a896
40 changed files with 2036 additions and 741 deletions
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java/src-jni/hdf/hdf5lib/HDF5Constants.java
+8
View File
@@ -1129,6 +1129,10 @@ public class HDF5Constants {
/** */
public static final long H5T_FLOAT_F8E5M2 = H5T_FLOAT_F8E5M2();
/** */
public static final long H5T_FLOAT_F6E2M3 = H5T_FLOAT_F6E2M3();
/** */
public static final long H5T_FLOAT_F6E3M2 = H5T_FLOAT_F6E3M2();
/** */
public static final int H5T_INTEGER = H5T_INTEGER();
/** */
public static final long H5T_INTEL_B16 = H5T_INTEL_B16();
@@ -2648,6 +2652,10 @@ public class HDF5Constants {
private static native final long H5T_FLOAT_F8E5M2();
private static native final long H5T_FLOAT_F6E2M3();
private static native final long H5T_FLOAT_F6E3M2();
private static native final int H5T_INTEGER();
private static native final long H5T_INTEL_B16();
java/src-jni/jni/h5Constants.c
+10
View File
@@ -2756,6 +2756,16 @@ Java_hdf_hdf5lib_HDF5Constants_H5T_1FLOAT_1F8E5M2(JNIEnv *env, jclass cls)
{
return H5T_FLOAT_F8E5M2;
}
JNIEXPORT jlong JNICALL
Java_hdf_hdf5lib_HDF5Constants_H5T_1FLOAT_1F6E2M3(JNIEnv *env, jclass cls)
{
return H5T_FLOAT_F6E2M3;
}
JNIEXPORT jlong JNICALL
Java_hdf_hdf5lib_HDF5Constants_H5T_1FLOAT_1F6E3M2(JNIEnv *env, jclass cls)
{
return H5T_FLOAT_F6E3M2;
}
JNIEXPORT jint JNICALL
Java_hdf_hdf5lib_HDF5Constants_H5T_1INTEGER(JNIEnv *env, jclass cls)
{
java/src-jni/jni/h5util.c
+16
View File
@@ -2171,6 +2171,10 @@ h5str_get_little_endian_type(hid_t tid)
p_type = H5Tcopy(H5T_FLOAT_F8E4M3);
else if (true == H5Tequal(tid, H5T_FLOAT_F8E5M2))
p_type = H5Tcopy(H5T_FLOAT_F8E5M2);
else if (true == H5Tequal(tid, H5T_FLOAT_F6E2M3))
p_type = H5Tcopy(H5T_FLOAT_F6E2M3);
else if (true == H5Tequal(tid, H5T_FLOAT_F6E3M2))
p_type = H5Tcopy(H5T_FLOAT_F6E3M2);
}
else if (size == 2) {
if (true == H5Tequal(tid, H5T_IEEE_F16LE) || true == H5Tequal(tid, H5T_IEEE_F16BE))
@@ -2294,6 +2298,18 @@ h5str_get_big_endian_type(hid_t tid)
else if (true == H5Tequal(tid, H5T_FLOAT_F8E5M2)) {
p_type = H5Tcopy(H5T_FLOAT_F8E5M2);
/* Though not very useful, set order to BE as expected */
H5Tset_order(p_type, H5T_ORDER_BE);
}
else if (true == H5Tequal(tid, H5T_FLOAT_F6E2M3)) {
p_type = H5Tcopy(H5T_FLOAT_F6E2M3);
/* Though not very useful, set order to BE as expected */
H5Tset_order(p_type, H5T_ORDER_BE);
}
else if (true == H5Tequal(tid, H5T_FLOAT_F6E3M2)) {
p_type = H5Tcopy(H5T_FLOAT_F6E3M2);
/* Though not very useful, set order to BE as expected */
H5Tset_order(p_type, H5T_ORDER_BE);
}