Numworks Epsilon  1.4.1
Graphing Calculator Operating System
s_normSubnormalF32Sig.c
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1 
2 /*============================================================================
3 
4 This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
5 Package, Release 3c, by John R. Hauser.
6 
7 Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of
8 California. All rights reserved.
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10 Redistribution and use in source and binary forms, with or without
11 modification, are permitted provided that the following conditions are met:
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13  1. Redistributions of source code must retain the above copyright notice,
14  this list of conditions, and the following disclaimer.
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16  2. Redistributions in binary form must reproduce the above copyright notice,
17  this list of conditions, and the following disclaimer in the documentation
18  and/or other materials provided with the distribution.
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22  specific prior written permission.
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24 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
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32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 
35 =============================================================================*/
36 
37 #include <stdint.h>
38 #include "platform.h"
39 #include "internals.h"
40 
42 {
43  int_fast8_t shiftDist;
44  struct exp16_sig32 z;
45 
46  shiftDist = softfloat_countLeadingZeros32( sig ) - 8;
47  z.exp = 1 - shiftDist;
48  z.sig = sig<<shiftDist;
49  return z;
50 
51 }
52 
int32_t int_fast8_t
Definition: stdint.h:22
uint_fast32_t sig
Definition: internals.h:111
int_fast16_t exp
Definition: internals.h:111
uint32_t uint_fast32_t
Definition: stdint.h:19
struct exp16_sig32 softfloat_normSubnormalF32Sig(uint_fast32_t sig)
#define softfloat_countLeadingZeros32