first commit of the new libm!

[musl] / src / math / s_ceilf.c

diff --git a/src/math/s_ceilf.c b/src/math/s_ceilf.c
deleted file mode 100644 (file)
index 3615041..0000000
--- a/src/math/s_ceilf.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* s_ceilf.c -- float version of s_ceil.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 huge = 1.0e30;
-
-float
-ceilf(float x)
-{
-        int32_t i0,j0;
-        uint32_t i;
-
-        GET_FLOAT_WORD(i0,x);
-        j0 = ((i0>>23)&0xff)-0x7f;
-        if(j0<23) {
-            if(j0<0) {  /* raise inexact if x != 0 */
-                if(huge+x>(float)0.0) {/* return 0*sign(x) if |x|<1 */
-                    if(i0<0) {i0=0x80000000;}
-                    else if(i0!=0) { i0=0x3f800000;}
-                }
-            } else {
-                i = (0x007fffff)>>j0;
-                if((i0&i)==0) return x; /* x is integral */
-                if(huge+x>(float)0.0) { /* raise inexact flag */
-                    if(i0>0) i0 += (0x00800000)>>j0;
-                    i0 &= (~i);
-                }
-            }
-        } else {
-            if(j0==0x80) return x+x;    /* inf or NaN */
-            else return x;              /* x is integral */
-        }
-        SET_FLOAT_WORD(x,i0);
-        return x;
-}