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Paddle/paddle/phi/common/float16.h

Lines 1031 to 1084 in 746b774

| | template<> |
| | structnumeric_limitsphi::dtype::float16 { |
| | staticconstbool is_specialized = true; |
| | staticconstbool is_signed = true; |
| | staticconstbool is_integer = false; |
| | staticconstbool is_exact = false; |
| | staticconstbool has_infinity = true; |
| | staticconstbool has_quiet_NaN = true; |
| | staticconstbool has_signaling_NaN = true; |
| | staticconst float_denorm_style has_denorm = denorm_present; |
| | staticconstbool has_denorm_loss = false; |
| | staticconst std::float_round_style round_style = std::round_to_nearest; |
| | staticconstbool is_iec559 = false; |
| | staticconstbool is_bounded = false; |
| | staticconstbool is_modulo = false; |
| | staticconstint digits = 11; |
| | staticconstint digits10 = 3; |
| | staticconstint max_digits10 = 5; |
| | staticconstint radix = 2; |
| | staticconstint min_exponent = -13; |
| | staticconstint min_exponent10 = -4; |
| | staticconstint max_exponent = 16; |
| | staticconstint max_exponent10 = 4; |
| | staticconstbool traps = true; |
| | staticconstbool tinyness_before = false; |
| | |
| | HOSTDEVICE staticphi::dtype::float16(min)() { |
| | returnphi::dtype::raw_uint16_to_float16(0x400); |
| | } |
| | HOSTDEVICE static phi::dtype::float16 lowest() { |
| | returnphi::dtype::raw_uint16_to_float16(0xfbff); |
| | } |
| | HOSTDEVICE staticphi::dtype::float16(max)() { |
| | returnphi::dtype::raw_uint16_to_float16(0x7bff); |
| | } |
| | HOSTDEVICE static phi::dtype::float16 epsilon() { |
| | returnphi::dtype::raw_uint16_to_float16(0x0800); |
| | } |
| | HOSTDEVICE static phi::dtype::float16 round_error() { |
| | returnphi::dtype::float16(0.5); |
| | } |
| | HOSTDEVICE static phi::dtype::float16 infinity() { |
| | returnphi::dtype::raw_uint16_to_float16(0x7c00); |
| | } |
| | HOSTDEVICE static phi::dtype::float16 quiet_NaN() { |
| | returnphi::dtype::raw_uint16_to_float16(0x7e00); |
| | } |
| | HOSTDEVICE static phi::dtype::float16 signaling_NaN() { |
| | returnphi::dtype::raw_uint16_to_float16(0x7e00); |
| | } |
| | HOSTDEVICE static phi::dtype::float16 denorm_min() { |
| | returnphi::dtype::raw_uint16_to_float16(0x1); |
| | } |
| | }; |

您好，我们跟进下这个问题，看是否需要对齐，感谢

@Shixiaowei02 请问，这个是一个bug吗，还是说我做错实验了，获取的数据类型不对