core::arch::x86_64

Function _mm256_fpclass_pd_mask

source
pub unsafe fn _mm256_fpclass_pd_mask(a: __m256d, const IMM8: i32) -> __mmask8
🔬This is a nightly-only experimental API. (stdarch_x86_avx512 #111137)
Available on (x86 or x86-64) and target feature avx512dq,avx512vl and 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

Intel’s Documentation