1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/libm-0.1.4/src/math/ceilf.rs b/vendor/libm-0.1.4/src/math/ceilf.rs
new file mode 100644
index 000000000..151a4f210
--- /dev/null
+++ b/vendor/libm-0.1.4/src/math/ceilf.rs
@@ -0,0 +1,42 @@
+use core::f32;
+
+/// Ceil (f32)
+///
+/// Finds the nearest integer greater than or equal to `x`.
+#[inline]
+#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
+pub fn ceilf(x: f32) -> f32 {
+    // On wasm32 we know that LLVM's intrinsic will compile to an optimized
+    // `f32.ceil` native instruction, so we can leverage this for both code size
+    // and speed.
+    llvm_intrinsically_optimized! {
+        #[cfg(target_arch = "wasm32")] {
+            return unsafe { ::core::intrinsics::ceilf32(x) }
+        }
+    }
+    let mut ui = x.to_bits();
+    let e = (((ui >> 23) & 0xff).wrapping_sub(0x7f)) as i32;
+
+    if e >= 23 {
+        return x;
+    }
+    if e >= 0 {
+        let m = 0x007fffff >> e;
+        if (ui & m) == 0 {
+            return x;
+        }
+        force_eval!(x + f32::from_bits(0x7b800000));
+        if ui >> 31 == 0 {
+            ui += m;
+        }
+        ui &= !m;
+    } else {
+        force_eval!(x + f32::from_bits(0x7b800000));
+        if ui >> 31 != 0 {
+            return -0.0;
+        } else if ui << 1 != 0 {
+            return 1.0;
+        }
+    }
+    f32::from_bits(ui)
+}