On Mar 12, 2010, at 9:05 AM, gerhard wrote:
Trying to wrap an existing library. I managed to at least get started with a .spyx file as follows: ---------------------------------------- cdef extern from "stdlib.h": void *malloc(size_t size) int free(void*) int sizeof() cdef extern from "func.h": int func( int n, float* x ) cdef double* ddef __cinit__(self): self.d = <double*>malloc( sizeof(double)) self.n = 1 def __dealloc__(self): free( self.d ) def func( self, data ): cdef int i self.n = len(data) free( self.d ) self.d = <double*> malloc( self.n*sizeof(double) ) for i from 0 <= i < self.n: self.d[i] = data[i] func( self.n, self.d ) l = [] for i from 0 <= i < self.n: l.append( d[i] ) return l ------------------------- but this leaves much to be desired. It should be a fairly standard operation for which sage has good solutions. Could someone please give me some pointers as to how to improve the above?
Sounds like you want NumPy. - Robert -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
