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| author | Dana Robinson <derobins@hdfgroup.org> | 2020-01-23 22:35:16 (GMT) |
|---|---|---|
| committer | Dana Robinson <derobins@hdfgroup.org> | 2020-01-23 22:35:16 (GMT) |
| commit | 6486e06545bf637d46e18a787395542f4fca143a (patch) | |
| tree | 66a8cfc5bb4844ebe24e59163589fbb17cc2f14a /src/H5private.h | |
| parent | 12bc75c6172ca7b64c33b17cf538a7629500cf2f (diff) | |
| download | hdf5-6486e06545bf637d46e18a787395542f4fca143a.zip hdf5-6486e06545bf637d46e18a787395542f4fca143a.tar.gz hdf5-6486e06545bf637d46e18a787395542f4fca143a.tar.bz2 | |
Revert "Moved -Wunsuffixed-float-constants to the developer warnings."
This reverts commit 12bc75c6172ca7b64c33b17cf538a7629500cf2f.
Diffstat (limited to 'src/H5private.h')
| -rw-r--r-- | src/H5private.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/H5private.h b/src/H5private.h index bc6c8a5..c3375df 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -540,6 +540,21 @@ # define H5_DEC_ENUM(TYPE,VAR) (VAR)=((TYPE)((VAR)-1)) #endif +/* Double constant wrapper + * + * Quiets gcc warnings from -Wunsuffixed-float-constants. + * + * This is a really annoying warning since the standard specifies that + * constants of type double do NOT get a suffix so there's no way + * to specify a constant of type double. To quiet gcc, we specify floating + * point constants as type long double and cast to double. + * + * Note that this macro only needs to be used where using a double + * is important. For most code, suffixing constants with F will quiet the + * compiler and not produce erroneous code. + */ +#define H5_DOUBLE(S) ((double) S ## L) + /* * Methods to compare the equality of floating-point values: * |