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| 1 | +#define PY_SSIZE_T_CLEAN |
| 2 | + |
| 3 | +#include "parts.h" |
| 4 | + |
| 5 | + |
| 6 | +// Test PyFloat_Pack2(), PyFloat_Pack4() and PyFloat_Pack8() |
| 7 | +static PyObject * |
| 8 | +test_float_pack(PyObject *self, PyObject *args) |
| 9 | +{ |
| 10 | + int size; |
| 11 | + double d; |
| 12 | + int le; |
| 13 | + if (!PyArg_ParseTuple(args, "idi", &size, &d, &le)) { |
| 14 | + return NULL; |
| 15 | + } |
| 16 | + switch (size) |
| 17 | + { |
| 18 | + case 2: |
| 19 | + { |
| 20 | + char data[2]; |
| 21 | + if (PyFloat_Pack2(d, data, le) < 0) { |
| 22 | + return NULL; |
| 23 | + } |
| 24 | + return PyBytes_FromStringAndSize(data, Py_ARRAY_LENGTH(data)); |
| 25 | + } |
| 26 | + case 4: |
| 27 | + { |
| 28 | + char data[4]; |
| 29 | + if (PyFloat_Pack4(d, data, le) < 0) { |
| 30 | + return NULL; |
| 31 | + } |
| 32 | + return PyBytes_FromStringAndSize(data, Py_ARRAY_LENGTH(data)); |
| 33 | + } |
| 34 | + case 8: |
| 35 | + { |
| 36 | + char data[8]; |
| 37 | + if (PyFloat_Pack8(d, data, le) < 0) { |
| 38 | + return NULL; |
| 39 | + } |
| 40 | + return PyBytes_FromStringAndSize(data, Py_ARRAY_LENGTH(data)); |
| 41 | + } |
| 42 | + default: break; |
| 43 | + } |
| 44 | + |
| 45 | + PyErr_SetString(PyExc_ValueError, "size must 2, 4 or 8"); |
| 46 | + return NULL; |
| 47 | +} |
| 48 | + |
| 49 | + |
| 50 | +// Test PyFloat_Unpack2(), PyFloat_Unpack4() and PyFloat_Unpack8() |
| 51 | +static PyObject * |
| 52 | +test_float_unpack(PyObject *self, PyObject *args) |
| 53 | +{ |
| 54 | + assert(!PyErr_Occurred()); |
| 55 | + const char *data; |
| 56 | + Py_ssize_t size; |
| 57 | + int le; |
| 58 | + if (!PyArg_ParseTuple(args, "y#i", &data, &size, &le)) { |
| 59 | + return NULL; |
| 60 | + } |
| 61 | + double d; |
| 62 | + switch (size) |
| 63 | + { |
| 64 | + case 2: |
| 65 | + d = PyFloat_Unpack2(data, le); |
| 66 | + break; |
| 67 | + case 4: |
| 68 | + d = PyFloat_Unpack4(data, le); |
| 69 | + break; |
| 70 | + case 8: |
| 71 | + d = PyFloat_Unpack8(data, le); |
| 72 | + break; |
| 73 | + default: |
| 74 | + PyErr_SetString(PyExc_ValueError, "data length must 2, 4 or 8 bytes"); |
| 75 | + return NULL; |
| 76 | + } |
| 77 | + |
| 78 | + if (d == -1.0 && PyErr_Occurred()) { |
| 79 | + return NULL; |
| 80 | + } |
| 81 | + return PyFloat_FromDouble(d); |
| 82 | +} |
| 83 | + |
| 84 | +static PyMethodDef test_methods[] = { |
| 85 | + {"float_pack", test_float_pack, METH_VARARGS, NULL}, |
| 86 | + {"float_unpack", test_float_unpack, METH_VARARGS, NULL}, |
| 87 | + {NULL}, |
| 88 | +}; |
| 89 | + |
| 90 | +int |
| 91 | +_PyTestCapi_Init_Float(PyObject *mod) |
| 92 | +{ |
| 93 | + if (PyModule_AddFunctions(mod, test_methods) < 0) { |
| 94 | + return -1; |
| 95 | + } |
| 96 | + |
| 97 | + return 0; |
| 98 | +} |
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