aboutsummaryrefslogtreecommitdiff
path: root/softfloat/f128M_lt_quiet.c
diff options
context:
space:
mode:
Diffstat (limited to 'softfloat/f128M_lt_quiet.c')
-rw-r--r--softfloat/f128M_lt_quiet.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/softfloat/f128M_lt_quiet.c b/softfloat/f128M_lt_quiet.c
new file mode 100644
index 0000000..6ccf3c8
--- /dev/null
+++ b/softfloat/f128M_lt_quiet.c
@@ -0,0 +1,96 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "specialize.h"
+#include "softfloat.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+bool f128M_lt_quiet( const float128_t *aPtr, const float128_t *bPtr )
+{
+
+ return f128_lt_quiet( *aPtr, *bPtr );
+
+}
+
+#else
+
+bool f128M_lt_quiet( const float128_t *aPtr, const float128_t *bPtr )
+{
+ const uint32_t *aWPtr, *bWPtr;
+ uint32_t uiA96, uiB96;
+ bool signA, signB;
+ uint32_t wordA, wordB;
+
+ aWPtr = (const uint32_t *) aPtr;
+ bWPtr = (const uint32_t *) bPtr;
+ if ( softfloat_isNaNF128M( aWPtr ) || softfloat_isNaNF128M( bWPtr ) ) {
+ if ( f128M_isSignalingNaN( aPtr ) || f128M_isSignalingNaN( bPtr ) ) {
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ return false;
+ }
+ uiA96 = aWPtr[indexWordHi( 4 )];
+ uiB96 = bWPtr[indexWordHi( 4 )];
+ signA = signF128UI96( uiA96 );
+ signB = signF128UI96( uiB96 );
+ if ( signA != signB ) {
+ if ( signB ) return false;
+ if ( (uiA96 | uiB96) & 0x7FFFFFFF ) return true;
+ wordA = aWPtr[indexWord( 4, 2 )];
+ wordB = bWPtr[indexWord( 4, 2 )];
+ if ( wordA | wordB ) return true;
+ wordA = aWPtr[indexWord( 4, 1 )];
+ wordB = bWPtr[indexWord( 4, 1 )];
+ if ( wordA | wordB ) return true;
+ wordA = aWPtr[indexWord( 4, 0 )];
+ wordB = bWPtr[indexWord( 4, 0 )];
+ return ((wordA | wordB) != 0);
+ }
+ if ( signA ) {
+ aWPtr = (const uint32_t *) bPtr;
+ bWPtr = (const uint32_t *) aPtr;
+ }
+ return (softfloat_compare128M( aWPtr, bWPtr ) < 0);
+
+}
+
+#endif
+