#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)] pub fn remquof(mut x: f32, mut y: f32) -> (f32, i32) { let ux: u32 = x.to_bits(); let mut uy: u32 = y.to_bits(); let mut ex = ((ux >> 23) & 0xff) as i32; let mut ey = ((uy >> 23) & 0xff) as i32; let sx = (ux >> 31) != 0; let sy = (uy >> 31) != 0; let mut q: u32; let mut i: u32; let mut uxi: u32 = ux; if (uy << 1) == 0 || y.is_nan() || ex == 0xff { return ((x * y) / (x * y), 0); } if (ux << 1) == 0 { return (x, 0); } /* normalize x and y */ if ex == 0 { i = uxi << 9; while (i >> 31) == 0 { ex -= 1; i <<= 1; } uxi <<= -ex + 1; } else { uxi &= (!0) >> 9; uxi |= 1 << 23; } if ey == 0 { i = uy << 9; while (i >> 31) == 0 { ey -= 1; i <<= 1; } uy <<= -ey + 1; } else { uy &= (!0) >> 9; uy |= 1 << 23; } q = 0; if ex + 1 != ey { if ex < ey { return (x, 0); } /* x mod y */ while ex > ey { i = uxi.wrapping_sub(uy); if (i >> 31) == 0 { uxi = i; q += 1; } uxi <<= 1; q <<= 1; ex -= 1; } i = uxi.wrapping_sub(uy); if (i >> 31) == 0 { uxi = i; q += 1; } if uxi == 0 { ex = -30; } else { while (uxi >> 23) == 0 { uxi <<= 1; ex -= 1; } } } /* scale result and decide between |x| and |x|-|y| */ if ex > 0 { uxi -= 1 << 23; uxi |= (ex as u32) << 23; } else { uxi >>= -ex + 1; } x = f32::from_bits(uxi); if sy { y = -y; } if ex == ey || (ex + 1 == ey && (2.0 * x > y || (2.0 * x == y && (q % 2) != 0))) { x -= y; q += 1; } q &= 0x7fffffff; let quo = if sx ^ sy { -(q as i32) } else { q as i32 }; if sx { (-x, quo) } else { (x, quo) } }