feat: add soft-float feature to optionally enable soft-float

Cargo.toml

@@ -10,8 +10,15 @@ keywords = ["float", "floating-point", "math"]
 categories = ["science", "no-std", "mathematics"]
 publish = false
 
+[package.metadata.docs.rs]
+features = ["soft-float"]
+
+[features]
+default = []
+soft-float = ["dep:rustc_apfloat"]
+
 [dependencies]
-rustc_apfloat = "0.2.1"
+rustc_apfloat = { optional = true, version = "0.2.1" }
 
 [workspace]
 members = [

ci/build-and-test.sh

@@ -9,26 +9,28 @@ begin_group "Fetch dependencies"
 cargo fetch --locked
 end_group
 
+features=(--features "soft-float")
+
 begin_group "Build"
-cargo build --workspace --all-targets --frozen
+cargo build --frozen --workspace "${features[@]}" --all-targets
 end_group
 
 begin_group "Doc"
-cargo doc --workspace --frozen
+cargo doc --frozen --workspace "${features[@]}"
 end_group
 
 begin_group "Generate test data"
 ./run-all-test-data-gen.sh
 end_group
 
 begin_group "Test x86_64"
-cargo test --workspace --target x86_64-unknown-linux-gnu --frozen
+cargo test --frozen --workspace "${features[@]}" --target x86_64-unknown-linux-gnu
 end_group
 
 begin_group "Test i586 debug"
-cargo test --workspace --target i586-unknown-linux-gnu --frozen
+cargo test --frozen --workspace "${features[@]}" --target i586-unknown-linux-gnu
 end_group
 
 begin_group "Test i586 release"
-cargo test --workspace --target i586-unknown-linux-gnu --release --frozen
+cargo test --frozen --workspace "${features[@]}" --target i586-unknown-linux-gnu --release
 end_group

ci/clippy.sh

@@ -7,6 +7,14 @@ begin_group "Fetch dependencies"
 cargo fetch --locked
 end_group
 
-begin_group "Run clippy"
-cargo clippy --workspace --all-targets --frozen -- -D warnings
+begin_group "Run clippy workspace"
+cargo clippy --frozen --workspace --all-targets  -- -D warnings
+end_group
+
+begin_group "Run clippy fpmath without soft-float"
+cargo clippy --frozen -p fpmath --all-targets -- -D warnings
+end_group
+
+begin_group "Run clippy fpmath with soft-float"
+cargo clippy --frozen -p fpmath --all-targets --features "soft-float" -- -D warnings
 end_group

src/generic/acosh.rs

@@ -78,6 +78,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -88,6 +89,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/asin_acos.rs

@@ -182,6 +182,7 @@ mod tests {
         test_acos::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_asin::<crate::SoftF32>();
@@ -194,6 +195,7 @@ mod tests {
         test_acos::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_asin::<crate::SoftF64>();

src/generic/asind_acosd.rs

@@ -90,6 +90,7 @@ mod tests {
         test_acosd::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_asind::<crate::SoftF32>();
@@ -102,6 +103,7 @@ mod tests {
         test_acosd::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_asind::<crate::SoftF64>();

src/generic/asinh.rs

@@ -68,6 +68,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -78,6 +79,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/asinpi_acospi.rs

@@ -101,6 +101,7 @@ mod tests {
         test_acospi::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_asinpi::<crate::SoftF32>();
@@ -113,6 +114,7 @@ mod tests {
         test_acospi::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_asinpi::<crate::SoftF64>();

src/generic/atan.rs

@@ -240,6 +240,7 @@ mod tests {
         test_atan2::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_atan::<crate::SoftF32>();
@@ -252,6 +253,7 @@ mod tests {
         test_atan2::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_atan::<crate::SoftF64>();

src/generic/atand.rs

@@ -161,6 +161,7 @@ mod tests {
         test_atan2d::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_atand::<crate::SoftF32>();
@@ -173,6 +174,7 @@ mod tests {
         test_atan2d::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_atand::<crate::SoftF64>();

src/generic/atanh.rs

@@ -77,6 +77,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -87,6 +88,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/atanpi.rs

@@ -171,6 +171,7 @@ mod tests {
         test_atan2pi::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_atanpi::<crate::SoftF32>();
@@ -183,6 +184,7 @@ mod tests {
         test_atan2pi::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_atanpi::<crate::SoftF64>();

src/generic/cbrt.rs

@@ -143,6 +143,7 @@ mod tests {
         test::<f32>(0x80..=0xFF, core::iter::empty(), core::iter::empty());
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>(0x80..=0xFF, core::iter::empty(), core::iter::empty());
@@ -153,6 +154,7 @@ mod tests {
         test::<f64>(0x100..=0x1FF, [-340, 0, 340].into_iter(), 0x10000..=0x1FFFF);
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>(0x100..=0x1FF, [-340, 0, 340].into_iter(), 0x10000..=0x1FFFF);

src/generic/ceil.rs

@@ -67,6 +67,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -77,6 +78,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/exp.rs

@@ -198,6 +198,7 @@ mod tests {
         test_exp_m1::<f32>("-87.9", "88.9");
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_exp::<crate::SoftF32>("-103.99", "88.9");
@@ -210,6 +211,7 @@ mod tests {
         test_exp_m1::<f64>("-708.9", "709.9");
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_exp::<crate::SoftF64>("-745.9", "709.9");

src/generic/exp10.rs

@@ -102,6 +102,7 @@ mod tests {
         test::<f32>("-45.9", "38.9");
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>("-45.9", "38.9");
@@ -112,6 +113,7 @@ mod tests {
         test::<f64>("-323.9", "308.9");
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>("-323.9", "308.9");

src/generic/exp2.rs

@@ -104,6 +104,7 @@ mod tests {
         test::<f32>("-150", "128");
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>("-150", "128");
@@ -114,6 +115,7 @@ mod tests {
         test::<f64>("-1075", "1024");
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>("-1075", "1024");

src/generic/floor.rs

@@ -67,6 +67,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -77,6 +78,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/frexp.rs

@@ -75,6 +75,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -85,6 +86,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/hypot.rs

@@ -108,6 +108,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -118,6 +119,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/log.rs

@@ -231,6 +231,7 @@ mod tests {
         test_log_1p::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test_log::<crate::SoftF32>();
@@ -243,6 +244,7 @@ mod tests {
         test_log_1p::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test_log::<crate::SoftF64>();

src/generic/log10.rs

@@ -95,6 +95,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -105,6 +106,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();

src/generic/log2.rs

@@ -88,6 +88,7 @@ mod tests {
         test::<f32>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f32() {
         test::<crate::SoftF32>();
@@ -98,6 +99,7 @@ mod tests {
         test::<f64>();
     }
 
+    #[cfg(feature = "soft-float")]
     #[test]
     fn test_soft_f64() {
         test::<crate::SoftF64>();