Signature

class numpy::Signature

numpy C++ class.

Example

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

// Use Signature
Signature obj;
// ... operations ...

Constructors

Signature	Location	Example
Signature(const std::string &sig_str)	NP_VECTORIZE_TRAITS.H:219

Other Methods

Signature	Return Type	Location	Example
bool isValid()	bool	NP_VECTORIZE_TRAITS.H:221	View
size_t numInputs()	size_t	NP_VECTORIZE_TRAITS.H:222	View
size_t numOutputs()	size_t	NP_VECTORIZE_TRAITS.H:223	View

Code Examples

The following examples are extracted from the test suite.

isValid (np_test_1_all.cpp:15168)

      }

      // Test 9: Signature parsing
      std::cout << "========= test_signature_parsing =======================" ;

      auto dot_product = [](double x, double y) { return x * y; };
      auto vectorized_dot = numpy::vectorize(dot_product, "(n),(n)->()");

      // Test that signature is parsed correctly
      auto info = vectorized_dot.getSignature();
      std::cout << info.isValid() << "," << info.numInputs() << "," << info.numOutputs() << "";
      bool test9_pass = info.isValid() && info.numInputs() == 2 && info.numOutputs() == 1;

      if (test9_pass) {
        // std::cout << "[OK] Signature parsing works correctly";
        std::cout << " -> tests passed" << std::endl;
      }
      else {
        std::cout << "[FAIL] Signature parsing failed" << std::endl;
        errors++;
      }

numInputs (np_test_1_all.cpp:15168)

      }

      // Test 9: Signature parsing
      std::cout << "========= test_signature_parsing =======================" ;

      auto dot_product = [](double x, double y) { return x * y; };
      auto vectorized_dot = numpy::vectorize(dot_product, "(n),(n)->()");

      // Test that signature is parsed correctly
      auto info = vectorized_dot.getSignature();
      std::cout << info.isValid() << "," << info.numInputs() << "," << info.numOutputs() << "";
      bool test9_pass = info.isValid() && info.numInputs() == 2 && info.numOutputs() == 1;

      if (test9_pass) {
        // std::cout << "[OK] Signature parsing works correctly";
        std::cout << " -> tests passed" << std::endl;
      }
      else {
        std::cout << "[FAIL] Signature parsing failed" << std::endl;
        errors++;
      }

numOutputs (np_test_1_all.cpp:15168)

      }

      // Test 9: Signature parsing
      std::cout << "========= test_signature_parsing =======================" ;

      auto dot_product = [](double x, double y) { return x * y; };
      auto vectorized_dot = numpy::vectorize(dot_product, "(n),(n)->()");

      // Test that signature is parsed correctly
      auto info = vectorized_dot.getSignature();
      std::cout << info.isValid() << "," << info.numInputs() << "," << info.numOutputs() << "";
      bool test9_pass = info.isValid() && info.numInputs() == 2 && info.numOutputs() == 1;

      if (test9_pass) {
        // std::cout << "[OK] Signature parsing works correctly";
        std::cout << " -> tests passed" << std::endl;
      }
      else {
        std::cout << "[FAIL] Signature parsing failed" << std::endl;
        errors++;
      }