1 files changed, 0 insertions, 86 deletions
diff --git a/vendor/libm-0.1.4/src/math/sin.rs b/vendor/libm-0.1.4/src/math/sin.rs
deleted file mode 100644
index 51aed88a8..000000000
--- a/vendor/libm-0.1.4/src/math/sin.rs
+++ /dev/null
@@ -1,86 +0,0 @@
-// origin: FreeBSD /usr/src/lib/msun/src/s_sin.c */
-//
-// ====================================================
-// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
-//
-// Developed at SunPro, a Sun Microsystems, Inc. business.
-// Permission to use, copy, modify, and distribute this
-// software is freely granted, provided that this notice
-// is preserved.
-// ====================================================
-
-use super::{k_cos, k_sin, rem_pio2};
-
-// sin(x)
-// Return sine function of x.
-//
-// kernel function:
-//      k_sin            ... sine function on [-pi/4,pi/4]
-//      k_cos            ... cose function on [-pi/4,pi/4]
-//      rem_pio2         ... argument reduction routine
-//
-// Method.
-//      Let S,C and T denote the sin, cos and tan respectively on
-//      [-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
-//      in [-pi/4 , +pi/4], and let n = k mod 4.
-//      We have
-//
-//          n        sin(x)      cos(x)        tan(x)
-//     ----------------------------------------------------------
-//          0          S           C             T
-//          1          C          -S            -1/T
-//          2         -S          -C             T
-//          3         -C           S            -1/T
-//     ----------------------------------------------------------
-//
-// Special cases:
-//      Let trig be any of sin, cos, or tan.
-//      trig(+-INF)  is NaN, with signals;
-//      trig(NaN)    is that NaN;
-//
-// Accuracy:
-//      TRIG(x) returns trig(x) nearly rounded
-#[inline]
-#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
-pub fn sin(x: f64) -> f64 {
-    let x1p120 = f64::from_bits(0x4770000000000000); // 0x1p120f === 2 ^ 120
-
-    /* High word of x. */
-    let ix = (f64::to_bits(x) >> 32) as u32 & 0x7fffffff;
-
-    /* |x| ~< pi/4 */
-    if ix <= 0x3fe921fb {
-        if ix < 0x3e500000 {
-            /* |x| < 2**-26 */
-            /* raise inexact if x != 0 and underflow if subnormal*/
-            if ix < 0x00100000 {
-                force_eval!(x / x1p120);
-            } else {
-                force_eval!(x + x1p120);
-            }
-            return x;
-        }
-        return k_sin(x, 0.0, 0);
-    }
-
-    /* sin(Inf or NaN) is NaN */
-    if ix >= 0x7ff00000 {
-        return x - x;
-    }
-
-    /* argument reduction needed */
-    let (n, y0, y1) = rem_pio2(x);
-    match n & 3 {
-        0 => k_sin(y0, y1, 1),
-        1 => k_cos(y0, y1),
-        2 => -k_sin(y0, y1, 1),
-        _ => -k_cos(y0, y1),
-    }
-}
-
-#[test]
-fn test_near_pi() {
-    let x = f64::from_bits(0x400921fb000FD5DD); // 3.141592026217707
-    let sx = f64::from_bits(0x3ea50d15ced1a4a2); // 6.273720864039205e-7
-    assert_eq!(sin(x), sx);
-}