1 files changed, 0 insertions, 93 deletions
diff --git a/src/math/e_atan2f.c b/src/math/e_atan2f.c
deleted file mode 100644
index 535e10a0..00000000
--- a/src/math/e_atan2f.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* e_atan2f.c -- float version of e_atan2.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
-
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-#include <math.h>
-#include "math_private.h"
-
-static const float
-tiny  = 1.0e-30,
-zero  = 0.0,
-pi_o_4  = 7.8539818525e-01, /* 0x3f490fdb */
-pi_o_2  = 1.5707963705e+00, /* 0x3fc90fdb */
-pi      = 3.1415927410e+00, /* 0x40490fdb */
-pi_lo   = -8.7422776573e-08; /* 0xb3bbbd2e */
-
-float
-atan2f(float y, float x)
-{
-        float z;
-        int32_t k,m,hx,hy,ix,iy;
-
-        GET_FLOAT_WORD(hx,x);
-        ix = hx&0x7fffffff;
-        GET_FLOAT_WORD(hy,y);
-        iy = hy&0x7fffffff;
-        if((ix>0x7f800000)||
-           (iy>0x7f800000))     /* x or y is NaN */
-           return x+y;
-        if(hx==0x3f800000) return atanf(y);   /* x=1.0 */
-        m = ((hy>>31)&1)|((hx>>30)&2);  /* 2*sign(x)+sign(y) */
-
-    /* when y = 0 */
-        if(iy==0) {
-            switch(m) {
-                case 0:
-                case 1: return y;       /* atan(+-0,+anything)=+-0 */
-                case 2: return  pi+tiny;/* atan(+0,-anything) = pi */
-                case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
-            }
-        }
-    /* when x = 0 */
-        if(ix==0) return (hy<0)?  -pi_o_2-tiny: pi_o_2+tiny;
-
-    /* when x is INF */
-        if(ix==0x7f800000) {
-            if(iy==0x7f800000) {
-                switch(m) {
-                    case 0: return  pi_o_4+tiny;/* atan(+INF,+INF) */
-                    case 1: return -pi_o_4-tiny;/* atan(-INF,+INF) */
-                    case 2: return  (float)3.0*pi_o_4+tiny;/*atan(+INF,-INF)*/
-                    case 3: return (float)-3.0*pi_o_4-tiny;/*atan(-INF,-INF)*/
-                }
-            } else {
-                switch(m) {
-                    case 0: return  zero  ;     /* atan(+...,+INF) */
-                    case 1: return -zero  ;     /* atan(-...,+INF) */
-                    case 2: return  pi+tiny  ;  /* atan(+...,-INF) */
-                    case 3: return -pi-tiny  ;  /* atan(-...,-INF) */
-                }
-            }
-        }
-    /* when y is INF */
-        if(iy==0x7f800000) return (hy<0)? -pi_o_2-tiny: pi_o_2+tiny;
-
-    /* compute y/x */
-        k = (iy-ix)>>23;
-        if(k > 60) z=pi_o_2+(float)0.5*pi_lo;   /* |y/x| >  2**60 */
-        else if(hx<0&&k<-60) z=0.0;     /* |y|/x < -2**60 */
-        else z=atanf(fabsf(y/x));       /* safe to do y/x */
-        switch (m) {
-            case 0: return       z  ;   /* atan(+,+) */
-            case 1: {
-                      uint32_t zh;
-                      GET_FLOAT_WORD(zh,z);
-                      SET_FLOAT_WORD(z,zh ^ 0x80000000);
-                    }
-                    return       z  ;   /* atan(-,+) */
-            case 2: return  pi-(z-pi_lo);/* atan(+,-) */
-            default: /* case 3 */
-                    return  (z-pi_lo)-pi;/* atan(-,-) */
-        }
-}