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Diffstat (limited to 'lib/gesf2.c')
| -rw-r--r-- | lib/gesf2.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/lib/gesf2.c b/lib/gesf2.c deleted file mode 100644 index fb8a291df..000000000 --- a/lib/gesf2.c +++ /dev/null @@ -1,61 +0,0 @@ -//===-- lib/gesf2.c - Single-precision comparisons ----------------*- C -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the following soft-fp_t comparison routines: -// -// __eqsf2 __gesf2 __unordsf2 -// __lesf2 __gtsf2 -// __ltsf2 -// __nesf2 -// -// The semantics of the routines grouped in each column are identical, so there -// is a single implementation for each, and wrappers to provide the other names. -// -// The main routines behave as follows: -// -// __lesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// 1 if either a or b is NaN -// -// __gesf2(a,b) returns -1 if a < b -// 0 if a == b -// 1 if a > b -// -1 if either a or b is NaN -// -// __unordsf2(a,b) returns 0 if both a and b are numbers -// 1 if either a or b is NaN -// -// Note that __lesf2( ) and __gesf2( ) are identical except in their handling of -// NaN values. -// -//===----------------------------------------------------------------------===// - -#define SINGLE_PRECISION -#include "fp_lib.h" - -enum GE_RESULT __gesf2(fp_t a, fp_t b) { - - const srep_t aInt = toRep(a); - const srep_t bInt = toRep(b); - const rep_t aAbs = aInt & absMask; - const rep_t bAbs = bInt & absMask; - - if (aAbs > infRep || bAbs > infRep) return GE_UNORDERED; - if ((aAbs | bAbs) == 0) return GE_EQUAL; - if ((aInt & bInt) >= 0) { - if (aInt < bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } else { - if (aInt > bInt) return GE_LESS; - else if (aInt == bInt) return GE_EQUAL; - else return GE_GREATER; - } -} |