From 7620847811e085b46cdfa74b4a9d755be2c5317a Mon Sep 17 00:00:00 2001
From: Guillaume Horel <guillaume.horel@gmail.com>
Date: Mon, 20 Nov 2017 16:18:16 -0500
Subject: trying to fix the memoryview

---
 pyisda/curve.pyx | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/pyisda/curve.pyx b/pyisda/curve.pyx
index aad22e8..260ac4f 100644
--- a/pyisda/curve.pyx
+++ b/pyisda/curve.pyx
@@ -22,7 +22,7 @@ cdef extern from "Python.h":
     int PyMemoryView_Check(object)
     Py_buffer *PyMemoryView_GET_BUFFER(object)
     object PyMemoryView_FromMemory(char* mem, Py_ssize_t data, int flags)
-    cdef int PyBUF_READ
+    cdef int PyBUF_WRITE
 
 cdef extern from "numpy/arrayobject.h":
     void PyArray_ENABLEFLAGS(np.ndarray arr, int flags)
@@ -534,6 +534,7 @@ cdef class SpreadCurve(Curve):
 
     survival_probability = Curve.__forward_zero_price
 
+    @cython.boundscheck(False)
     @cython.initializedcheck(False)
     def __getstate__(self):
         cdef:
@@ -548,20 +549,21 @@ cdef class SpreadCurve(Curve):
         memcpy(cursor, &size, sizeof(size_t))
         cursor += sizeof(size_t)
         cursor += self.ticker.copy(<char*>cursor, size, 0)
-        size = self.recovery_rates.size
+        size = self.recovery_rates.shape[0]
         memcpy(cursor, &size, sizeof(size_t))
         cursor += sizeof(size_t)
         memcpy(cursor, &self.recovery_rates[0], sizeof(double) * self.recovery_rates.shape[0])
         return <bytes>buf[:buf_size]
 
     @cython.initializedcheck(False)
+    @cython.cdivision(True)
     def __setstate__(self, bytes state):
         cdef:
             TCurve* curve = <TCurve*>malloc(sizeof(TCurve))
             unsigned char* cursor = state
             size_t ticker_length
             np.npy_intp size
-
+            double* temp
         cursor = deserialize(cursor, curve)
         self._thisptr = make_shared(curve)
         memcpy(&ticker_length, cursor, sizeof(size_t))
@@ -569,8 +571,10 @@ cdef class SpreadCurve(Curve):
         self.ticker = string(<char*>cursor, ticker_length)
         cursor += ticker_length
         memcpy(&size, cursor, sizeof(size_t))
+        temp = <double*>malloc(size * sizeof(char))
         cursor += sizeof(size_t)
-        self.recovery_rates = PyMemoryView_FromMemory(<char*>cursor, size, PyBUF_READ)
+        memcpy(temp, cursor, size)
+        self.recovery_rates = <double[:size/sizeof(double)]>(temp)
 
     def __deepcopy__(self, dict memo):
         cdef SpreadCurve sc = SpreadCurve.__new__(SpreadCurve)
-- 
cgit v1.2.3-70-g09d2