diff options
Diffstat (limited to 'ot/gpu/cudamat/cudamat/learn.py')
-rw-r--r-- | ot/gpu/cudamat/cudamat/learn.py | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/ot/gpu/cudamat/cudamat/learn.py b/ot/gpu/cudamat/cudamat/learn.py deleted file mode 100644 index 741ca13..0000000 --- a/ot/gpu/cudamat/cudamat/learn.py +++ /dev/null @@ -1,21 +0,0 @@ -import os - -import ctypes as ct -import numpy as np - -from cudamat import load_library, generate_exception - -_cudalearn = load_library('libcudalearn') - -_cudalearn.mult_by_sigmoid_deriv.restype = ct.c_int - -def mult_by_sigmoid_deriv(target, acts): - """ - target = target * acts * (1 - acts) - - Useful for doing backprop in neural networks with logistic units. - """ - - err_code = _cudalearn.mult_by_sigmoid_deriv(target.p_mat, acts.p_mat) - if err_code: - raise generate_exception(err_code) |