Merge branch 'main' into hash

Author: SwayamInSync

.github/workflows/big_endian.yml

@@ -49,7 +49,7 @@ jobs:
 
     name: "${{ matrix.BUILD_PROP[0] }}"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
           fetch-tags: true

.github/workflows/build_wheels.yml

@@ -20,7 +20,7 @@ jobs:
     name: Build wheels on Linux
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -74,7 +74,7 @@ jobs:
         os: [macos-14, macos-15, macos-15-intel]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -139,7 +139,7 @@ jobs:
         architecture: [x64]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup MSVC
         uses: ilammy/msvc-dev-cmd@v1
@@ -194,7 +194,7 @@ jobs:
     name: Build SDist
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup Python
         uses: actions/setup-python@v6
         with:

.github/workflows/typecheck.yml

@@ -20,9 +20,9 @@ jobs:
     timeout-minutes: 2
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
-      - uses: astral-sh/[email protected].3
+      - uses: astral-sh/[email protected].4
         with:
           activate-environment: true
           python-version: "3.11"

quaddtype/README.md

@@ -42,8 +42,11 @@ Building the `numpy-quaddtype` package:
 python3 -m venv temp
 source temp/bin/activate
 
-# Install the package
-pip install numpy pytest
+# Install NumPy from source
+pip install "numpy @ git+https://github.com/numpy/numpy.git"
+
+# Install build and test dependencies
+pip install pytest meson meson-python
 
 # To build without QBLAS (default for MSVC)
 # export CFLAGS="-DDISABLE_QUADBLAS"

quaddtype/meson.build

@@ -50,23 +50,23 @@ if sleef_dep.found() and sleef_dep.type_name() != 'internal'
       )
       use_system_sleef = true
     else
-      fallback_reason = 'quad-precision support is not working'
+      fallback_reason = 'System-wide SLEEF installation found but a test for quad precision support failed.'
     endif
   else
-    fallback_reason = 'sleefquad library is missing'
+    fallback_reason = 'System-wide SLEEF installation does not have a sleefquad library.'
   endif
 else
-  fallback_reason = 'SLEEF not found system-wide'
+  fallback_reason = 'Cannot find system-wide SLEEF installation.'
 endif
 
 if use_system_sleef
   message('Using system-wide SLEEF installation with quad-precision support')
 else
-  warning('Falling back to SLEEF subproject: ' + fallback_reason)
   sleef_subproj = subproject('sleef')
   sleef_dep = sleef_subproj.get_variable('sleef_dep')
   sleefquad_dep = sleef_subproj.get_variable('sleefquad_dep')
-  message('Using SLEEF subproject')
+  warning(fallback_reason)
+  message('Proceeding with vendored SLEEF subproject instead')
 endif
 
 incdir_numpy = run_command(py,

quaddtype/numpy_quaddtype/src/scalar.c

@@ -605,7 +605,15 @@ static PyMethodDef QuadPrecision_methods[] = {
     {NULL, NULL, 0, NULL}  /* Sentinel */
 };
 
+static PyObject *
+QuadPrecision_get_dtype(QuadPrecisionObject *self, void *NPY_UNUSED(closure))
+{
+    QuadPrecDTypeObject *dtype = new_quaddtype_instance(self->backend);
+    return (PyObject *)dtype;
+}
+
 static PyGetSetDef QuadPrecision_getset[] = {
+    {"dtype", (getter)QuadPrecision_get_dtype, NULL, "Data type descriptor for this scalar", NULL},
     {"real", (getter)QuadPrecision_get_real, NULL, "Real part of the scalar", NULL},
     {"imag", (getter)QuadPrecision_get_imag, NULL, "Imaginary part of the scalar (always 0 for real types)", NULL},
     {NULL}  /* Sentinel */

quaddtype/tests/test_quaddtype.py

@@ -4294,6 +4294,21 @@ def test_as_integer_ratio_compatibility_with_float(self, value):
         float_ratio = float_num / float_denom
         assert abs(quad_ratio - float_ratio) < 1e-15
 
+def test_quadprecision_scalar_dtype_expose():
+    quad_ld = QuadPrecision("1e100", backend="longdouble")
+    quad_sleef = QuadPrecision("1e100", backend="sleef")
+    assert quad_ld.dtype == QuadPrecDType(backend='longdouble')
+    assert np.dtype(quad_ld) == QuadPrecDType(backend='longdouble')
+    
+    #todo: Uncomment them when 232 is merged
+    # assert quad_ld.dtype.backend == 1
+    # assert np.dtype(quad_ld).backend == 1
+
+    assert quad_sleef.dtype == QuadPrecDType(backend='sleef')
+    assert np.dtype(quad_sleef) == QuadPrecDType(backend='sleef')
+    # assert quad_sleef.dtype.backend == 0
+    # assert np.dtype(quad_sleef).backend == 0
+
 
 class TestPickle:
     """Comprehensive test suite for pickle support in QuadPrecDType."""