diff options
Diffstat (limited to 'sa-extract/cfloatlist.pyx')
-rw-r--r-- | sa-extract/cfloatlist.pyx | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/sa-extract/cfloatlist.pyx b/sa-extract/cfloatlist.pyx deleted file mode 100644 index 18a0ef2a..00000000 --- a/sa-extract/cfloatlist.pyx +++ /dev/null @@ -1,93 +0,0 @@ -# conveniencelist.pyx -# defines int arrays in C, with some convenience methods -# for reading arrays directly as globs directly from disk. -# Adam Lopez <alopez@cs.umd.edu> - -from libc.stdio cimport FILE, fopen, fread, fwrite, fclose -from libc.stdlib cimport malloc, realloc, free -from libc.string cimport memset, strcpy, strlen - -cdef class CFloatList: - - def __cinit__(self, size=0, increment=1, initial_len=0): - if initial_len > size: - size = initial_len - self.arr = <float*> malloc(size*sizeof(float)) - memset(self.arr, 0, initial_len*sizeof(float)) - - - def __init__(self, size=0, increment=1, initial_len=0): - self.size = size - if initial_len > size: - self.size = initial_len - self.increment = increment - self.len = initial_len - - - def __dealloc__(self): - free(self.arr) - - - def __getitem__(self, i): - j = i - if i<0: - j = self.len + i - if j<0 or j>=self.len: - raise IndexError("Requested index %d of %d-length FloatList" % (i, self.len)) - return self.arr[j] - - - cdef void set(self, int i, float v): - j = i - if i<0: - j = self.len + i - if j<0 or j>=self.len: - raise IndexError("Requested index %d of %d-length FloatList" % (i, self.len)) - self.arr[j] = v - - def __setitem__(self, i, val): - self.set(i, val) - - def __len__(self): - return self.len - - - def append(self, float val): - if self.len == self.size: - self.size = self.size + self.increment - self.arr = <float*> realloc(self.arr, self.size*sizeof(float)) - self.arr[self.len] = val - self.len = self.len + 1 - - - cdef void write_handle(self, FILE* f): - fwrite(&(self.len), sizeof(float), 1, f) - fwrite(self.arr, sizeof(float), self.len, f) - - - def write(self, filename): - cdef FILE* f - cdef bytes bfilename = filename - cdef char* cfilename = bfilename - f = fopen(cfilename, "w") - self.write_handle(f) - fclose(f) - - - cdef void read_handle(self, FILE* f): - free(self.arr) - fread(&(self.len), sizeof(float), 1, f) - self.arr = <float*> malloc(self.len * sizeof(float)) - self.size = self.len - fread(self.arr, sizeof(float), self.len, f) - - - def read(self, filename): - cdef FILE* f - cdef bytes bfilename = filename - cdef char* cfilename = bfilename - f = fopen(cfilename, "r") - self.read_handle(f) - fclose(f) - - |