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try:
import uctypes
except ImportError:
print("SKIP")
raise SystemExit
desc = {
"f32": uctypes.FLOAT32 | 0,
"f64": uctypes.FLOAT64 | 0,
"uf64": uctypes.FLOAT64 | 2, # unaligned
}
data = bytearray(10)
S = uctypes.struct(uctypes.addressof(data), desc, uctypes.LITTLE_ENDIAN)
S.f32 = 12.34
print("%.4f" % S.f32)
S.f64 = 12.34
print("%.4f" % S.f64)
S.uf64 = 12.34
print("%.4f" % S.uf64)
# array of float/double
desc = {
"af32": (uctypes.ARRAY | 0, uctypes.FLOAT32 | 2),
"af64": (uctypes.ARRAY | 0, uctypes.FLOAT64 | 2),
}
data = bytearray(16)
S = uctypes.struct(uctypes.addressof(data), desc, uctypes.LITTLE_ENDIAN)
S.af32[0] = 1
S.af32[1] = 2
print("%.4f %.4f" % (S.af32[0], S.af32[1]), data)
S.af64[0] = 1
S.af64[1] = 2
print("%.4f %.4f" % (S.af64[0], S.af64[1]), data)
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