import numpy as np

raw = np.array(["1.25", "2.50", "3.75"])
floats = raw.astype(np.float64)
truncated = floats.astype(np.int64)
whole = np.array([10.0, 20.0, 30.0])
exact_int = whole.astype(np.int64, casting="same_value")

print("raw dtype:", raw.dtype, raw)
print("float dtype:", floats.dtype, floats)
print("truncated int dtype:", truncated.dtype, truncated)
print("exact int dtype:", exact_int.dtype, exact_int)

try:
    floats.astype(np.int64, casting="same_value")
except ValueError as error:
    print("strict cast error:", error)