diff options
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: * |