--- /dev/null
+\r
+#include <stdbool.h>\r
+#include <stdint.h>\r
+#include "platform.h"\r
+#include "internals.h"\r
+#include "softfloat.h"\r
+\r
+int_fast64_t f64_to_i64_r_minMag( float64_t a, bool exact )\r
+{\r
+ union ui64_f64 uA;\r
+ uint_fast64_t uiA;\r
+ bool sign;\r
+ int_fast16_t exp;\r
+ uint_fast64_t sig;\r
+ int_fast16_t shiftCount;\r
+ int_fast64_t absZ;\r
+\r
+ uA.f = a;\r
+ uiA = uA.ui;\r
+ sign = signF64UI( uiA );\r
+ exp = expF64UI( uiA );\r
+ sig = fracF64UI( uiA );\r
+ shiftCount = exp - 0x433;\r
+ if ( 0 <= shiftCount ) {\r
+ if ( 0x43E <= exp ) {\r
+ if ( uiA != packToF64UI( 1, 0x43E, 0 ) ) {\r
+ softfloat_raiseFlags( softfloat_flag_invalid );\r
+ if ( ! sign || ( ( exp == 0x7FF ) && sig ) ) {\r
+ return INT64_C( 0x7FFFFFFFFFFFFFFF );\r
+ }\r
+ }\r
+ return - INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1;\r
+ }\r
+ sig |= UINT64_C( 0x0010000000000000 );\r
+ absZ = sig<<shiftCount;\r
+ } else {\r
+ if ( exp < 0x3FF ) {\r
+ if ( exact && ( exp | sig ) ) {\r
+ softfloat_exceptionFlags |= softfloat_flag_inexact;\r
+ }\r
+ return 0;\r
+ }\r
+ sig |= UINT64_C( 0x0010000000000000 );\r
+ absZ = sig>>( - shiftCount );\r
+ if ( exact && (uint64_t) ( sig<<( shiftCount & 63 ) ) ) {\r
+ softfloat_exceptionFlags |= softfloat_flag_inexact;\r
+ }\r
+ }\r
+ return sign ? - absZ : absZ;\r
+\r
+}\r
+\r