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Use PyFloat_Pack8() on Python 3.11a7 #499

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Merged
merged 1 commit into from
Mar 14, 2022
Merged

Use PyFloat_Pack8() on Python 3.11a7 #499

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9 changes: 9 additions & 0 deletions msgpack/pack_template.h
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Original file line number Diff line number Diff line change
Expand Up @@ -568,15 +568,24 @@ static inline int msgpack_pack_float(msgpack_packer* x, float d)
{
unsigned char buf[5];
buf[0] = 0xca;

#if PY_VERSION_HEX >= 0x030B00A7
PyFloat_Pack4(d, (char *)&buf[1], 0);
#else
_PyFloat_Pack4(d, &buf[1], 0);
#endif
msgpack_pack_append_buffer(x, buf, 5);
}

static inline int msgpack_pack_double(msgpack_packer* x, double d)
{
unsigned char buf[9];
buf[0] = 0xcb;
#if PY_VERSION_HEX >= 0x030B00A7
PyFloat_Pack8(d, (char *)&buf[1], 0);
#else
_PyFloat_Pack8(d, &buf[1], 0);
#endif
msgpack_pack_append_buffer(x, buf, 9);
}

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14 changes: 12 additions & 2 deletions msgpack/unpack_template.h
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Expand Up @@ -243,10 +243,20 @@ static inline int unpack_execute(unpack_context* ctx, const char* data, Py_ssize
_msgpack_load32(uint32_t,n)+1,
_ext_zero);
case CS_FLOAT: {
double f = _PyFloat_Unpack4((unsigned char*)n, 0);
double f;
#if PY_VERSION_HEX >= 0x030B00A7
f = PyFloat_Unpack4((const char*)n, 0);
#else
f = _PyFloat_Unpack4((unsigned char*)n, 0);
#endif
push_fixed_value(_float, f); }
case CS_DOUBLE: {
double f = _PyFloat_Unpack8((unsigned char*)n, 0);
double f;
#if PY_VERSION_HEX >= 0x030B00A7
f = PyFloat_Unpack8((const char*)n, 0);
#else
f = _PyFloat_Unpack8((unsigned char*)n, 0);
#endif
push_fixed_value(_double, f); }
case CS_UINT_8:
push_fixed_value(_uint8, *(uint8_t*)n);
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