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-rw-r--r--src/H5Ztrans.c60
1 files changed, 25 insertions, 35 deletions
diff --git a/src/H5Ztrans.c b/src/H5Ztrans.c
index 2f97414..8858b63 100644
--- a/src/H5Ztrans.c
+++ b/src/H5Ztrans.c
@@ -141,39 +141,25 @@ static void H5Z_print(H5Z_node *tree, FILE *stream);
\
}
-#ifdef H5_ULLONG_TO_FP_CAST_WORKS
-#define H5Z_XFORM_TYPE_OP(RESL,RESR,TYPE,OP,SIZE) \
-{ \
- if((TYPE) == H5T_NATIVE_CHAR) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), char, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_UCHAR) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), unsigned char, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_SCHAR) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), signed char, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_SHORT) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), short, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_USHORT) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), unsigned short, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_INT) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), int, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_UINT) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), unsigned int, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_LONG) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), long, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_ULONG) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), unsigned long, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_LLONG) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), long_long, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_ULLONG) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), unsigned long_long, OP, (SIZE))\
- else if((TYPE) == H5T_NATIVE_FLOAT) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), float, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_DOUBLE) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), double, OP, (SIZE)) \
- else if((TYPE) == H5T_NATIVE_LDOUBLE) \
- H5Z_XFORM_DO_OP1((RESL), (RESR), long double, OP, (SIZE)) \
-}
+/* Due to the undefined nature of embedding macros/conditionals within macros, we employ
+ * this clever little hack. We always compile in the code for the type conversion, even if
+ * it isn't supported in the compiler. To avoid errors, we define ULLONG_TO_FP_XFORM_TYPE_OP_ERROR on
+ * unsupported compilers, which will cause the code to execute HGOTO_ERROR and skip the code
+ * that does the actual conversion */
+
+
+#ifndef H5_ULLONG_TO_FP_CAST_WORKS
+#define ULLONG_TO_FP_XFORM_TYPE_OP_ERROR HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "Cannot convert from unsigned long long to double: required for data transform")
#else
+#define ULLONG_TO_FP_XFORM_TYPE_OP_ERROR
+#endif
+
+#ifndef H5_LLONG_TO_FP_CAST_WORKS
+#define LLONG_TO_FP_XFORM_TYPE_OP_ERROR HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "Cannot convert from long long to double: required for data transform")
+#else
+#define LLONG_TO_FP_XFORM_TYPE_OP_ERROR
+#endif
+
#define H5Z_XFORM_TYPE_OP(RESL,RESR,TYPE,OP,SIZE) \
{ \
if((TYPE) == H5T_NATIVE_CHAR) \
@@ -195,10 +181,15 @@ static void H5Z_print(H5Z_node *tree, FILE *stream);
else if((TYPE) == H5T_NATIVE_ULONG) \
H5Z_XFORM_DO_OP1((RESL), (RESR), unsigned long, OP, (SIZE)) \
else if((TYPE) == H5T_NATIVE_LLONG) \
+ { \
+ LLONG_TO_FP_XFORM_TYPE_OP_ERROR \
H5Z_XFORM_DO_OP1((RESL), (RESR), long_long, OP, (SIZE)) \
+ } \
else if((TYPE) == H5T_NATIVE_ULLONG) \
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, \
- "Cannot convert from unsigned long long to double: required for data transform") \
+ { \
+ ULLONG_TO_FP_XFORM_TYPE_OP_ERROR \
+ H5Z_XFORM_DO_OP1((RESL), (RESR), unsigned long_long, OP, (SIZE)) \
+ } \
else if((TYPE) == H5T_NATIVE_FLOAT) \
H5Z_XFORM_DO_OP1((RESL), (RESR), float, OP, (SIZE)) \
else if((TYPE) == H5T_NATIVE_DOUBLE) \
@@ -206,7 +197,6 @@ static void H5Z_print(H5Z_node *tree, FILE *stream);
else if((TYPE) == H5T_NATIVE_LDOUBLE) \
H5Z_XFORM_DO_OP1((RESL), (RESR), long double, OP, (SIZE)) \
}
-#endif
#define H5Z_XFORM_DO_OP3(OP) \
{ \