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Contents
/////////////////////////////////////////////////////////////////////
// = NMatrix
//
// A linear algebra library for scientific computation in Ruby.
// NMatrix is part of SciRuby.
//
// NMatrix was originally inspired by and derived from NArray, by
// Masahiro Tanaka: http://narray.rubyforge.org
//
// == Copyright Information
//
// SciRuby is Copyright (c) 2010 - 2014, Ruby Science Foundation
// NMatrix is Copyright (c) 2012 - 2014, John Woods and the Ruby Science Foundation
//
// Please see LICENSE.txt for additional copyright notices.
//
// == Contributing
//
// By contributing source code to SciRuby, you agree to be bound by
// our Contributor Agreement:
//
// * https://github.com/SciRuby/sciruby/wiki/Contributor-Agreement
//
// == common.cpp
//
// Code for the STORAGE struct that is common to all storage types.
/*
* Standard Includes
*/
/*
* Project Includes
*/
#include "common.h"
/*
* Macros
*/
/*
* Global Variables
*/
/*
* Forward Declarations
*/
/*
* Functions
*/
extern "C" {
/*
* Calculate the number of elements in the dense storage structure, based on
* shape and dim.
*/
size_t nm_storage_count_max_elements(const STORAGE* storage) {
unsigned int i;
size_t count = 1;
for (i = storage->dim; i-- > 0;) {
count *= storage->shape[i];
}
return count;
}
// Helper function used only for the RETURN_SIZED_ENUMERATOR macro. Returns the length of
// the matrix's storage.
VALUE nm_enumerator_length(VALUE nmatrix) {
long len = nm_storage_count_max_elements(NM_STORAGE_DENSE(nmatrix));
return LONG2NUM(len);
}
} // end of extern "C" block
Version data entries
11 entries across 11 versions & 2 rubygems