From a36c656f8c9d760693fc98a5450878bb5365f411 Mon Sep 17 00:00:00 2001
From: Bill Zorn <bill.zorn@gmail.com>
Date: Wed, 25 Jul 2018 13:59:07 -0700
Subject: [PATCH] move things into sfpy package

---
 setup.py                      | 11 +++++--
 sfpy/__init__.py              |  6 ++++
 cposit.pxd => sfpy/cposit.pxd |  2 +-
 posit.pyx => sfpy/posit.pyx   |  0
 timing.py                     | 55 +++++++++++++++++++++++++++++++++++
 5 files changed, 71 insertions(+), 3 deletions(-)
 create mode 100644 sfpy/__init__.py
 rename cposit.pxd => sfpy/cposit.pxd (98%)
 rename posit.pyx => sfpy/posit.pyx (100%)
 create mode 100644 timing.py

diff --git a/setup.py b/setup.py
index 82b066d..2aa76e2 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,8 @@ from distutils.core import setup
 from distutils.extension import Extension
 from Cython.Build import cythonize
 
-ext = Extension('posit', ['posit.pyx'],
+posit_ext = Extension(
+    'sfpy.posit', ['sfpy/posit.pyx'],
     include_dirs=['SoftPosit/source/include/'],
     extra_objects=['./SoftPosit/build/Linux-x86_64-GCC/softposit.a'],
     libraries=['m'],
@@ -10,5 +11,11 @@ ext = Extension('posit', ['posit.pyx'],
 
 setup(
     name='sfpy',
-    ext_modules=cythonize([ext]),
+    version='0.1.0',
+    description='softfloat and softposit in python',
+    author='Bill Zorn',
+    author_email='bill.zorn@gmail.com',
+    url='https://github.com/billzorn/sfpy',
+    packages=['sfpy'],
+    ext_modules=cythonize([posit_ext]),
 )
diff --git a/sfpy/__init__.py b/sfpy/__init__.py
new file mode 100644
index 0000000..d213f2b
--- /dev/null
+++ b/sfpy/__init__.py
@@ -0,0 +1,6 @@
+import os
+mypath = os.path.abspath(os.path.dirname(__file__))
+
+print('hi from module sfpy @ {:s}'.format(mypath))
+
+from .posit import Posit8, Quire8, Posit16, Quire16
diff --git a/cposit.pxd b/sfpy/cposit.pxd
similarity index 98%
rename from cposit.pxd
rename to sfpy/cposit.pxd
index 913a96b..c7c4c3e 100644
--- a/cposit.pxd
+++ b/sfpy/cposit.pxd
@@ -1,6 +1,6 @@
 from libc.stdint cimport *
 
-cdef extern from 'SoftPosit/source/include/softposit.h':
+cdef extern from '../SoftPosit/source/include/softposit.h':
 
     ctypedef struct posit8_t:
         pass
diff --git a/posit.pyx b/sfpy/posit.pyx
similarity index 100%
rename from posit.pyx
rename to sfpy/posit.pyx
diff --git a/timing.py b/timing.py
new file mode 100644
index 0000000..ff13387
--- /dev/null
+++ b/timing.py
@@ -0,0 +1,55 @@
+"""Some basic performance tests for the wrapper class"""
+
+import timeit
+
+
+def ops_sec(stmt, setup):
+    # print('----')
+    # print(setup)
+    print('-- timing: --')
+    print(stmt)
+    print('----')
+
+    timer = timeit.Timer(stmt, setup)
+    iters, time = timer.autorange()
+
+    rate = iters/time
+    if rate > 1000000000:
+        erate = rate / 1000000000
+        unit = 'Gops'
+    elif rate > 1000000:
+        erate = rate / 1000000
+        unit = 'Mops'
+    elif rate > 1000:
+        erate = rate / 1000
+        unit = 'kops'
+    else:
+        erate = rate
+        unit = 'ops'
+
+    print('{} ops, {} s, {} {}/s\n'.format(iters, time, erate, unit))
+
+
+setup = """import sfpy
+P8 = sfpy.Posit8
+Q8 = sfpy.Quire8
+a = P8(1.3)
+b = P8(-0.5)
+c = P8(15.0)
+q = Q8()
+zero = 0.0
+"""
+
+ops_sec('pass', setup)
+ops_sec('P8(0)', setup)
+ops_sec('P8("0")', setup)
+ops_sec('P8.from_bits(0)', setup)
+
+ops_sec('1.1 + 2', setup)
+ops_sec('a + b', setup)
+ops_sec('a.add(b)', setup)
+ops_sec('zero += 1', setup)
+ops_sec('a += b', setup)
+ops_sec('a.iadd(b)', setup)
+
+ops_sec('q.fdp_add(b, c)', setup)
-- 
2.30.2