rust/tests/ui/floating_point_abs.rs

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// run-rustfix
#![warn(clippy::suboptimal_flops)]
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struct A {
a: f64,
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b: f64,
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}
fn fake_abs1(num: f64) -> f64 {
if num >= 0.0 {
num
} else {
-num
}
}
fn fake_abs2(num: f64) -> f64 {
if 0.0 < num {
num
} else {
-num
}
}
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fn fake_abs3(a: A) -> f64 {
if a.a > 0.0 {
a.a
} else {
-a.a
}
}
fn fake_abs4(num: f64) -> f64 {
if 0.0 >= num {
-num
} else {
num
}
}
fn fake_abs5(a: A) -> f64 {
if a.a < 0.0 {
-a.a
} else {
a.a
}
}
fn fake_nabs1(num: f64) -> f64 {
if num < 0.0 {
num
} else {
-num
}
}
fn fake_nabs2(num: f64) -> f64 {
if 0.0 >= num {
num
} else {
-num
}
}
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fn fake_nabs3(a: A) -> A {
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A {
a: if a.a >= 0.0 { -a.a } else { a.a },
b: a.b,
}
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}
fn not_fake_abs1(num: f64) -> f64 {
if num > 0.0 {
num
} else {
-num - 1f64
}
}
fn not_fake_abs2(num: f64) -> f64 {
if num > 0.0 {
num + 1.0
} else {
-(num + 1.0)
}
}
fn not_fake_abs3(num1: f64, num2: f64) -> f64 {
if num1 > 0.0 {
num2
} else {
-num2
}
}
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fn not_fake_abs4(a: A) -> f64 {
if a.a > 0.0 {
a.b
} else {
-a.b
}
}
fn not_fake_abs5(a: A) -> f64 {
if a.a > 0.0 {
a.a
} else {
-a.b
}
}
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fn main() {
fake_abs1(5.0);
fake_abs2(5.0);
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fake_abs3(A { a: 5.0, b: 5.0 });
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fake_abs4(5.0);
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fake_abs5(A { a: 5.0, b: 5.0 });
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fake_nabs1(5.0);
fake_nabs2(5.0);
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fake_nabs3(A { a: 5.0, b: 5.0 });
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not_fake_abs1(5.0);
not_fake_abs2(5.0);
not_fake_abs3(5.0, 5.0);
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not_fake_abs4(A { a: 5.0, b: 5.0 });
not_fake_abs5(A { a: 5.0, b: 5.0 });
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}