Function core::arch::riscv64::frrm

pub fn frrm() -> u32

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on target_arch="riscv64" only.

Reads the floating-point rounding mode register frm

Accoding to “F” Standard Extension for Single-Precision Floating-Point, Version 2.2, the rounding mode field is defined as listed in the table below:

Rounding Mode	Mnemonic	Meaning
000	RNE	Round to Nearest, ties to Even
001	RTZ	Round towards Zero
010	RDN	Round Down (towards −∞)
011	RUP	Round Up (towards +∞)
100	RMM	Round to Nearest, ties to Max Magnitude
101		Reserved for future use.
110		Reserved for future use.
111	DYN	In Rounding Mode register, reserved.