89 lines
2.5 KiB
Rust
89 lines
2.5 KiB
Rust
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#[abi = "rust-intrinsic"]
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extern mod rusti {
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fn sqrtf32(x: f32) -> f32;
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fn sqrtf64(x: f64) -> f64;
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fn powif32(a: f32, x: i32) -> f32;
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fn powif64(a: f64, x: i32) -> f64;
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fn sinf32(x: f32) -> f32;
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fn sinf64(x: f64) -> f64;
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fn cosf32(x: f32) -> f32;
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fn cosf64(x: f64) -> f64;
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fn powf32(a: f32, x: f32) -> f32;
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fn powf64(a: f64, x: f64) -> f64;
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fn expf32(x: f32) -> f32;
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fn expf64(x: f64) -> f64;
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fn exp2f32(x: f32) -> f32;
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fn exp2f64(x: f64) -> f64;
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fn logf32(x: f32) -> f32;
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fn logf64(x: f64) -> f64;
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fn log10f32(x: f32) -> f32;
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fn log10f64(x: f64) -> f64;
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fn log2f32(x: f32) -> f32;
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fn log2f64(x: f64) -> f64;
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fn fmaf32(a: f32, b: f32, c: f32) -> f32;
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fn fmaf64(a: f64, b: f64, c: f64) -> f64;
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fn fabsf32(x: f32) -> f32;
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fn fabsf64(x: f64) -> f64;
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fn floorf32(x: f32) -> f32;
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fn floorf64(x: f64) -> f64;
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fn ceilf32(x: f32) -> f32;
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fn ceilf64(x: f64) -> f64;
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fn truncf32(x: f32) -> f32;
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fn truncf64(x: f64) -> f64;
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}
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fn main() {
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use rusti::*;
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assert(sqrtf32(64f32) == 8f32);
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assert(sqrtf64(64f64) == 8f64);
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assert(powif32(25f32, -2i32) == 0.0016f32);
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assert(powif64(23.2f64, 2i32) == 538.24f64);
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assert(sinf32(0f32) == 0f32);
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assert(sinf64(f64::consts::pi / 2f64) == 1f64);
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assert(cosf32(0f32) == 1f32);
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assert(cosf64(f64::consts::pi * 2f64) == 1f64);
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assert(powf32(25f32, -2f32) == 0.0016f32);
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assert(powf64(400f64, 0.5f64) == 20f64);
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assert(expf32(1f32) == f32::consts::e);
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assert(expf64(1f64) == f64::consts::e);
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assert(exp2f32(10f32) == 1024f32);
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assert(exp2f64(50f64) == 1125899906842624f64);
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assert(logf32(f32::consts::e) == 1f32);
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assert(logf64(1f64) == 0f64);
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assert(log10f32(10f32) == 1f32);
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assert(log10f64(f64::consts::e) == f64::consts::log10_e);
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assert(log2f32(8f32) == 3f32);
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assert(log2f64(f64::consts::e) == f64::consts::log2_e);
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assert(fmaf32(1.0f32, 2.0f32, 5.0f32) == 7.0f32);
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assert(fmaf64(0.0f64, -2.0f64, f64::consts::e) == f64::consts::e);
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assert(fabsf32(-1.0f32) == 1.0f32);
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assert(fabsf64(34.2f64) == 34.2f64);
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assert(floorf32(3.8f32) == 3.0f32);
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assert(floorf64(-1.1f64) == -2.0f64);
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// Causes linker error
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// undefined reference to llvm.ceil.f32/64
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//assert(ceilf32(-2.3f32) == -2.0f32);
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//assert(ceilf64(3.8f64) == 4.0f64);
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// Causes linker error
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// undefined reference to llvm.trunc.f32/64
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//assert(truncf32(0.1f32) == 0.0f32);
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//assert(truncf64(-0.1f64) == 0.0f64);
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}
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