https://github.com/gwastro/pycbc
Tip revision: c1b0d95379713a338439eab3fde1a005f9bfb5ee authored by Alexander Harvey Nitz on 16 February 2024, 16:17:05 UTC
force deploy for testing purposes
force deploy for testing purposes
Tip revision: c1b0d95
decompress_cpu_cython.pyx
# Copyright (C) 2019 Ian Harry
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import cython
import numpy
cimport numpy
from pycbc.types import zeros, complex64, float32
from libc.stdint cimport int64_t, uint32_t
# This file just provides an interface from python to the C code. I choose to
# keep the bulk of the classes in pure python for ease of profiling, which will
# be important for this code.
cdef extern from "decompress_cpu_ccode.cpp":
void _decomp_ccode_double(double complex * h,
double delta_f,
const int64_t hlen,
const int64_t start_index,
double * sample_frequencies,
double * amp,
double * phase,
const int64_t sflen,
const int64_t imin)
void _decomp_ccode_float(float complex * h,
float delta_f,
const int64_t hlen,
const int64_t start_index,
float * sample_frequencies,
float * amp,
float * phase,
const int64_t sflen,
const int64_t imin)
# See simd_threshold_cython in events module for some guidance for how I
# constructed this in this way
@cython.boundscheck(False)
@cython.wraparound(False)
def decomp_ccode_double(numpy.ndarray[numpy.complex128_t, ndim=1, mode="c"] h not None,
double delta_f,
int hlen,
int start_index,
numpy.ndarray[double, ndim=1, mode="c"] sample_frequencies not None,
numpy.ndarray[double, ndim=1, mode="c"] amp not None,
numpy.ndarray[double, ndim=1, mode="c"] phase not None,
int sflen,
int imin):
_decomp_ccode_double(&h[0], delta_f, hlen, start_index,
&sample_frequencies[0], &[0], &phase[0],
sflen, imin)
@cython.boundscheck(False)
@cython.wraparound(False)
def decomp_ccode_float(numpy.ndarray[numpy.complex64_t, ndim=1, mode="c"] h not None,
float delta_f,
int hlen,
int start_index,
numpy.ndarray[float, ndim=1, mode="c"] sample_frequencies not None,
numpy.ndarray[float, ndim=1, mode="c"] amp not None,
numpy.ndarray[float, ndim=1, mode="c"] phase not None,
int sflen,
int imin):
_decomp_ccode_float(&h[0], delta_f, hlen, start_index,
&sample_frequencies[0], &[0], &phase[0],
sflen, imin)