1 files changed, 0 insertions, 91 deletions
diff --git a/src/math/e_expf.c b/src/math/e_expf.c
deleted file mode 100644
index 99818edc..00000000
--- a/src/math/e_expf.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* e_expf.c -- float version of e_exp.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
-one     = 1.0,
-halF[2] = {0.5,-0.5,},
-huge    = 1.0e+30,
-twom100 = 7.8886090522e-31,      /* 2**-100=0x0d800000 */
-o_threshold=  8.8721679688e+01,  /* 0x42b17180 */
-u_threshold= -1.0397208405e+02,  /* 0xc2cff1b5 */
-ln2HI[2]   ={ 6.9313812256e-01,         /* 0x3f317180 */
-             -6.9313812256e-01,},       /* 0xbf317180 */
-ln2LO[2]   ={ 9.0580006145e-06,         /* 0x3717f7d1 */
-             -9.0580006145e-06,},       /* 0xb717f7d1 */
-invln2 =  1.4426950216e+00,             /* 0x3fb8aa3b */
-P1   =  1.6666667163e-01, /* 0x3e2aaaab */
-P2   = -2.7777778450e-03, /* 0xbb360b61 */
-P3   =  6.6137559770e-05, /* 0x388ab355 */
-P4   = -1.6533901999e-06, /* 0xb5ddea0e */
-P5   =  4.1381369442e-08; /* 0x3331bb4c */
-
-float
-expf(float x) /* default IEEE double exp */
-{
-        float y,hi=0.0,lo=0.0,c,t;
-        int32_t k=0,xsb;
-        uint32_t hx;
-
-        GET_FLOAT_WORD(hx,x);
-        xsb = (hx>>31)&1;               /* sign bit of x */
-        hx &= 0x7fffffff;               /* high word of |x| */
-
-    /* filter out non-finite argument */
-        if(hx >= 0x42b17218) {                  /* if |x|>=88.721... */
-            if(hx>0x7f800000)
-                 return x+x;                    /* NaN */
-            if(hx==0x7f800000)
-                return (xsb==0)? x:0.0;         /* exp(+-inf)={inf,0} */
-            if(x > o_threshold) return huge*huge; /* overflow */
-            if(x < u_threshold) return twom100*twom100; /* underflow */
-        }
-
-    /* argument reduction */
-        if(hx > 0x3eb17218) {           /* if  |x| > 0.5 ln2 */
-            if(hx < 0x3F851592) {       /* and |x| < 1.5 ln2 */
-                hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb;
-            } else {
-                k  = invln2*x+halF[xsb];
-                t  = k;
-                hi = x - t*ln2HI[0];    /* t*ln2HI is exact here */
-                lo = t*ln2LO[0];
-            }
-            x  = hi - lo;
-        }
-        else if(hx < 0x31800000)  {     /* when |x|<2**-28 */
-            if(huge+x>one) return one+x;/* trigger inexact */
-        }
-        else k = 0;
-
-    /* x is now in primary range */
-        t  = x*x;
-        c  = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
-        if(k==0)        return one-((x*c)/(c-(float)2.0)-x);
-        else            y = one-((lo-(x*c)/((float)2.0-c))-hi);
-        if(k >= -125) {
-            uint32_t hy;
-            GET_FLOAT_WORD(hy,y);
-            SET_FLOAT_WORD(y,hy+(k<<23));       /* add k to y's exponent */
-            return y;
-        } else {
-            uint32_t hy;
-            GET_FLOAT_WORD(hy,y);
-            SET_FLOAT_WORD(y,hy+((k+100)<<23)); /* add k to y's exponent */
-            return y*twom100;
-        }
-}