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-rw-r--r--vendor/compiler_builtins/libm/src/math/sinhf.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/vendor/compiler_builtins/libm/src/math/sinhf.rs b/vendor/compiler_builtins/libm/src/math/sinhf.rs
new file mode 100644
index 000000000..24f863c44
--- /dev/null
+++ b/vendor/compiler_builtins/libm/src/math/sinhf.rs
@@ -0,0 +1,30 @@
+use super::expm1f;
+use super::k_expo2f;
+
+#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
+pub fn sinhf(x: f32) -> f32 {
+ let mut h = 0.5f32;
+ let mut ix = x.to_bits();
+ if (ix >> 31) != 0 {
+ h = -h;
+ }
+ /* |x| */
+ ix &= 0x7fffffff;
+ let absx = f32::from_bits(ix);
+ let w = ix;
+
+ /* |x| < log(FLT_MAX) */
+ if w < 0x42b17217 {
+ let t = expm1f(absx);
+ if w < 0x3f800000 {
+ if w < (0x3f800000 - (12 << 23)) {
+ return x;
+ }
+ return h * (2. * t - t * t / (t + 1.));
+ }
+ return h * (t + t / (t + 1.));
+ }
+
+ /* |x| > logf(FLT_MAX) or nan */
+ 2. * h * k_expo2f(absx)
+}