MemoryLayout

class numpy::MemoryLayout

numpy C++ class.

Example

#include <numpy/np_ndarray.h>
using namespace numpy;

// Use MemoryLayout
MemoryLayout obj;
// ... operations ...

Other Methods

Signature	Return Type	Location	Example
void print()	void	NP_ARRAY_INFO.H:222	View
std::string toString()	std::string	NP_ARRAY_INFO.H:211	View

Code Examples

The following examples are extracted from the test suite.

print (np_test_1_all.cpp:6395)

    std::vector<std::string> strings = {"Alice", "Bob", "Charlie"};
    auto arr2 = array<32>(strings);
    // std::cout << "Created from strings vector:" << std::endl;
    for (size_t i = 0; i < arr2.size(); ++i) {
        // std::cout << "arr2[" << i << "] = '" << arr2[i] << "'";
    }

    // Test 2D array creation
    chararray16 arr_2d({2, 3}, "test");
    // std::cout << "Created 2D chararray16 with shape {2, 3}:";
    // arr_2d.print();

    std::cout << " -> tests passed" << std::endl;
}

void testCharArrayStringOperationsCharArray() {
    std::cout << "========= testStringOperations =======================";

    // Test string concatenation
    std::vector<std::string> words1 = {"Hello", "Good", "Nice"};
    std::vector<std::string> words2 = {" World", " Day", " Work"};

toString (np_test_1_all.cpp:6826)

void testDatetime64CreationDateTime() {
    std::cout << "========= testDatetime64CreationDateTime =======================";

    // Test default constructor
    datetime64 default_dt;
    if (!(default_dt.isNaT())) {
        std::string description = std::string("testDatetime64CreationDateTime():") + __FILE__ + ":" + std::to_string(__LINE__) + ": !(default_dt.isNaT())";
        std::cout << std::string("[FAIL] ") + description << std::endl;
        throw std::runtime_error(description);
    }
    // std::cout << "Default datetime64 is NaT: " << default_dt.toString() << std::endl;

    // Test value constructor
    datetime64 epoch_day(0, DateTimeUnit::Day);
    // std::cout << "Epoch day: " << epoch_day.toString() << std::endl;

    // Test string constructor
    datetime64 date_from_string("2024-01-15");
    // std::cout << "Date from string '2024-01-15': " << date_from_string.toString() << std::endl;

    datetime64 datetime_from_string("2024-01-15T10:30:45");