test_half.py 文件源码

def setUp(self):
        # An array of all possible float16 values
        self.all_f16 = np.arange(0x10000, dtype=uint16)
        self.all_f16.dtype = float16
        self.all_f32 = np.array(self.all_f16, dtype=float32)
        self.all_f64 = np.array(self.all_f16, dtype=float64)

        # An array of all non-NaN float16 values, in sorted order
        self.nonan_f16 = np.concatenate(
                                (np.arange(0xfc00, 0x7fff, -1, dtype=uint16),
                                 np.arange(0x0000, 0x7c01, 1, dtype=uint16)))
        self.nonan_f16.dtype = float16
        self.nonan_f32 = np.array(self.nonan_f16, dtype=float32)
        self.nonan_f64 = np.array(self.nonan_f16, dtype=float64)

        # An array of all finite float16 values, in sorted order
        self.finite_f16 = self.nonan_f16[1:-1]
        self.finite_f32 = self.nonan_f32[1:-1]
        self.finite_f64 = self.nonan_f64[1:-1]