1 files changed, 114 insertions, 0 deletions
diff --git a/source/extF80M_to_i64_r_minMag.c b/source/extF80M_to_i64_r_minMag.c
new file mode 100644
index 0000000..04b5014
--- /dev/null
+++ b/source/extF80M_to_i64_r_minMag.c
@@ -0,0 +1,114 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California
+(Regents).  All Rights Reserved.  Redistribution and use in source and binary
+forms, with or without modification, are permitted provided that the following
+conditions are met:
+
+Redistributions of source code must retain the above copyright notice,
+this list of conditions, and the following two paragraphs of disclaimer.
+Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions, and the following two paragraphs of disclaimer in the
+documentation and/or other materials provided with the distribution.  Neither
+the name of the Regents nor the names of its contributors may be used to
+endorse or promote products derived from this software without specific prior
+written permission.
+
+IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
+SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
+OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS
+BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED
+HEREUNDER IS PROVIDED "AS IS".  REGENTS HAS NO OBLIGATION TO PROVIDE
+MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "softfloat.h"
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+int_fast64_t extF80M_to_i64_r_minMag( const extFloat80_t *aPtr, bool exact )
+{
+
+    return extF80_to_i64_r_minMag( *aPtr, exact );
+
+}
+
+#else
+
+int_fast64_t extF80M_to_i64_r_minMag( const extFloat80_t *aPtr, bool exact )
+{
+    const struct extFloat80M *aSPtr;
+    uint_fast16_t uiA64;
+    int32_t exp;
+    uint64_t sig;
+    int32_t shiftCount;
+    bool raiseInexact;
+    int64_t z;
+    uint64_t absZ;
+    union { uint64_t ui; int64_t i; } u;
+
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    aSPtr = (const struct extFloat80M *) aPtr;
+    uiA64 = aSPtr->signExp;
+    exp = expExtF80UI64( uiA64 );
+    sig = aSPtr->signif;
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    if ( ! sig && (exp != 0x7FFF) ) return 0;
+    shiftCount = 0x403E - exp;
+    if ( 64 <= shiftCount ) {
+        raiseInexact = exact;
+        z = 0;
+    } else {
+        raiseInexact = false;
+        if ( shiftCount < 0 ) {
+            if ( shiftCount <= -63 ) goto invalid;
+            shiftCount = -shiftCount;
+            absZ = sig<<shiftCount;
+            if ( absZ>>shiftCount != sig ) goto invalid;
+        } else {
+            absZ = sig;
+            if ( shiftCount ) absZ >>= shiftCount;
+            if ( exact && shiftCount ) {
+                raiseInexact = (absZ<<shiftCount != sig);
+            }
+        }
+        if ( signExtF80UI64( uiA64 ) ) {
+            if ( UINT64_C( 0x8000000000000000 ) < absZ ) goto invalid;
+            u.ui = -absZ;
+            z = u.i;
+        } else {
+            if ( UINT64_C( 0x8000000000000000 ) <= absZ ) goto invalid;
+            z = absZ;
+        }
+    }
+    if ( raiseInexact ) softfloat_exceptionFlags |= softfloat_flag_inexact;
+    return z;
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+ invalid:
+    softfloat_raiseFlags( softfloat_flag_invalid );
+    return
+        ! signExtF80UI64( uiA64 )
+            || ((exp == 0x7FFF) && (sig & UINT64_C( 0x7FFFFFFFFFFFFFFF )))
+            ? UINT64_C( 0x7FFFFFFFFFFFFFFF )
+            : -UINT64_C( 0x7FFFFFFFFFFFFFFF ) - 1;
+
+}
+
+#endif
+