38 lines
966 B
Rust
38 lines
966 B
Rust
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use bnum::cast::As;
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type Planar64=fixed::types::I32F32;
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type Planar64Wide1=fixed::types::I64F64;
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type Planar64Wide2=bnum::types::I256;
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type Planar64Wide3=bnum::types::I512;
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//wouldn't that be nice
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//type Planar64Wide2=fixed::FixedI256<fixed::types::extra::U128>;
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//type Planar64Wide3=fixed::FixedI512<fixed::types::extra::U256>;
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pub fn wide_mul(left: Planar64, right: Planar64) -> Planar64Wide1 {
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left.wide_mul(right)
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}
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pub fn wide_mul_2(left: Planar64Wide1, right: Planar64Wide1) -> Planar64Wide2 {
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Planar64Wide2::from(left.to_bits())*Planar64Wide2::from(right.to_bits())
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}
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pub fn wide_mul_3(left: Planar64Wide2, right: Planar64Wide2) -> Planar64Wide3 {
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left.as_::<Planar64Wide3>()*right.as_::<Planar64Wide3>()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn it_works() {
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let result = add(2.into(), 2.into());
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assert_eq!(result, 4);
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}
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#[test]
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pub fn main(){
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let a=6f128;
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let max=i32::MAX as i64;
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println!("{} {}",max*max,i64::MAX);
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}
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}
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