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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.dev | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/README.dev b/doc/README.dev index 03f603275..05fd8d056 100644 --- a/doc/README.dev +++ b/doc/README.dev @@ -969,6 +969,11 @@ and the exact behavior may change in the future. So, it is not correct to multiply ternary values returned by arbitrary functions as this may overflow. +To work with ternary values, mpfr-impl.h provides the following macros: + +#define SIGN(I) ((I) < 0 ? -1 : (I) > 0) +#define SAME_SIGN(I1,I2) (SIGN (I1) == SIGN (I2)) + =========================================================================== Because of a bug in the Mac OS X 10.5 linker, avoid tentative definitions |