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-rwxr-xr-xsoftfloat/f64_div.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/softfloat/f64_div.c b/softfloat/f64_div.c
deleted file mode 100755
index 9bc72b3..0000000
--- a/softfloat/f64_div.c
+++ /dev/null
@@ -1,104 +0,0 @@
-
-#include <stdbool.h>
-#include <stdint.h>
-#include "platform.h"
-#include "primitives.h"
-#include "internals.h"
-#include "specialize.h"
-#include "softfloat.h"
-
-float64_t f64_div( float64_t a, float64_t b )
-{
- union ui64_f64 uA;
- uint_fast64_t uiA;
- bool signA;
- int_fast16_t expA;
- uint_fast64_t sigA;
- union ui64_f64 uB;
- uint_fast64_t uiB;
- bool signB;
- int_fast16_t expB;
- uint_fast64_t sigB;
- bool signZ;
- struct exp16_sig64 normExpSig;
- int_fast16_t expZ;
- uint_fast64_t sigZ;
- struct uint128 term, rem;
- uint_fast64_t uiZ;
- union ui64_f64 uZ;
-
- uA.f = a;
- uiA = uA.ui;
- signA = signF64UI( uiA );
- expA = expF64UI( uiA );
- sigA = fracF64UI( uiA );
- uB.f = b;
- uiB = uB.ui;
- signB = signF64UI( uiB );
- expB = expF64UI( uiB );
- sigB = fracF64UI( uiB );
- signZ = signA ^ signB;
- if ( expA == 0x7FF ) {
- if ( sigA ) goto propagateNaN;
- if ( expB == 0x7FF ) {
- if ( sigB ) goto propagateNaN;
- goto invalid;
- }
- goto infinity;
- }
- if ( expB == 0x7FF ) {
- if ( sigB ) goto propagateNaN;
- goto zero;
- }
- if ( ! expB ) {
- if ( ! sigB ) {
- if ( ! ( expA | sigA ) ) goto invalid;
- softfloat_raiseFlags( softfloat_flag_infinity );
- goto infinity;
- }
- normExpSig = softfloat_normSubnormalF64Sig( sigB );
- expB = normExpSig.exp;
- sigB = normExpSig.sig;
- }
- if ( ! expA ) {
- if ( ! sigA ) goto zero;
- normExpSig = softfloat_normSubnormalF64Sig( sigA );
- expA = normExpSig.exp;
- sigA = normExpSig.sig;
- }
- expZ = expA - expB + 0x3FD;
- sigA = ( sigA | UINT64_C( 0x0010000000000000 ) )<<10;
- sigB = ( sigB | UINT64_C( 0x0010000000000000 ) )<<11;
- if ( sigB <= ( sigA + sigA ) ) {
- ++expZ;
- sigA >>= 1;
- }
- sigZ = softfloat_estimateDiv128To64( sigA, 0, sigB );
- if ( ( sigZ & 0x1FF ) <= 2 ) {
- term = softfloat_mul64To128( sigB, sigZ );
- rem = softfloat_sub128( sigA, 0, term.v64, term.v0 );
- while ( UINT64_C( 0x8000000000000000 ) <= rem.v64 ) {
- --sigZ;
- rem = softfloat_add128( rem.v64, rem.v0, 0, sigB );
- }
- sigZ |= ( rem.v0 != 0 );
- }
- return softfloat_roundPackToF64( signZ, expZ, sigZ );
- propagateNaN:
- uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
- goto uiZ;
- invalid:
- softfloat_raiseFlags( softfloat_flag_invalid );
- uiZ = defaultNaNF64UI;
- goto uiZ;
- infinity:
- uiZ = packToF64UI( signZ, 0x7FF, 0 );
- goto uiZ;
- zero:
- uiZ = packToF64UI( signZ, 0, 0 );
- uiZ:
- uZ.ui = uiZ;
- return uZ.f;
-
-}
-