LCOV - code coverage report
Current view: top level - modules/fdlibm/src - s_ceilf.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 17 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 1 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* s_ceilf.c -- float version of s_ceil.c.
       2             :  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
       3             :  */
       4             : 
       5             : /*
       6             :  * ====================================================
       7             :  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
       8             :  *
       9             :  * Developed at SunPro, a Sun Microsystems, Inc. business.
      10             :  * Permission to use, copy, modify, and distribute this
      11             :  * software is freely granted, provided that this notice
      12             :  * is preserved.
      13             :  * ====================================================
      14             :  */
      15             : 
      16             : //#include <sys/cdefs.h>
      17             : //__FBSDID("$FreeBSD$");
      18             : 
      19             : #include "math_private.h"
      20             : 
      21             : static const float huge = 1.0e30;
      22             : 
      23             : float
      24           0 : ceilf(float x)
      25             : {
      26             :         int32_t i0,j0;
      27             :         u_int32_t i;
      28             : 
      29           0 :         GET_FLOAT_WORD(i0,x);
      30           0 :         j0 = ((i0>>23)&0xff)-0x7f;
      31           0 :         if(j0<23) {
      32           0 :             if(j0<0) {       /* raise inexact if x != 0 */
      33           0 :                 if(huge+x>(float)0.0) {/* return 0*sign(x) if |x|<1 */
      34           0 :                     if(i0<0) {i0=0x80000000;}
      35           0 :                     else if(i0!=0) { i0=0x3f800000;}
      36             :                 }
      37             :             } else {
      38           0 :                 i = (0x007fffff)>>j0;
      39           0 :                 if((i0&i)==0) return x; /* x is integral */
      40           0 :                 if(huge+x>(float)0.0) {      /* raise inexact flag */
      41           0 :                     if(i0>0) i0 += (0x00800000)>>j0;
      42           0 :                     i0 &= (~i);
      43             :                 }
      44             :             }
      45             :         } else {
      46           0 :             if(j0==0x80) return x+x;    /* inf or NaN */
      47           0 :             else return x;              /* x is integral */
      48             :         }
      49           0 :         SET_FLOAT_WORD(x,i0);
      50           0 :         return x;
      51             : }

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