pub unsafe fn _mm256_fpclass_pd_mask<const IMM8: i32>(a: __m256d) -> u8🔬This is a nightly-only experimental API. (
stdarch_x86_avx512)Available on x86-64 only.
Expand description
Test packed double-precision (64-bit) floating-point elements in a for special categories specified by imm8, and store the results in mask vector k. imm can be a combination of:
- 0x01 // QNaN
- 0x02 // Positive Zero
- 0x04 // Negative Zero
- 0x08 // Positive Infinity
- 0x10 // Negative Infinity
- 0x20 // Denormal
- 0x40 // Negative
- 0x80 // SNaN