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| -rw-r--r-- | doc/source/reference/c-api.coremath.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/source/reference/c-api.coremath.rst b/doc/source/reference/c-api.coremath.rst index 075c0bf7a..b1a356551 100644 --- a/doc/source/reference/c-api.coremath.rst +++ b/doc/source/reference/c-api.coremath.rst @@ -126,3 +126,18 @@ precision are also available by adding the F and L suffixes respectively. .. cvar:: NPY_EULER The Euler constant (:math:`\lim_{n\rightarrow \infty}{\sum_{k=1}^n{\frac{1}{k}} - \ln n}`) + +Linking against the core math library in an extension +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. versionadded:: 1.4.0 + +To use the core math library in your own extension, you need to add the npymath +compile and link options to your extension in your setup.py: + + >>> from numpy.distutils.misc_utils import get_info + >>> info = get_info('npymath') + >>> config.add_extension('foo', sources=['foo.c'], extra_info=**info) + +In other words, the usage of info is exactly the same as when using blas_info +and co. |