forked from StrafesNET/strafe-client
27 lines
581 B
Rust
27 lines
581 B
Rust
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//find roots of polynomials
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pub fn zeroes2(a0:f32,a1:f32,a2:f32) -> Vec<f32>{
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if a2==0f32{
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return zeroes1(a0, a1);
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}
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let mut radicand=a1*a1-4f32*a2*a0;
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if 0f32<radicand {
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radicand=radicand.sqrt();
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if 0f32<a2 {
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return vec![(-a1-radicand)/(2f32*a2),(-a1+radicand)/(2f32*a2)];
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} else {
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return vec![(-a1+radicand)/(2f32*a2),(-a1-radicand)/(2f32*a2)];
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}
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} else if radicand==0f32 {
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return vec![-a1/(2f32*a2)];
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} else {
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return vec![];
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}
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}
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#[inline]
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pub fn zeroes1(a0:f32,a1:f32) -> Vec<f32> {
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if a1==0f32{
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return vec![];
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} else {
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return vec![-a0/a1];
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}
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}
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