1 files changed, 138 insertions, 0 deletions
diff --git a/src/libs/softfloat-3e/testfloat/source/random.c b/src/libs/softfloat-3e/testfloat/source/random.c
new file mode 100644
index 00000000..715c8cc1
--- /dev/null
+++ b/src/libs/softfloat-3e/testfloat/source/random.c
@@ -0,0 +1,138 @@
+
+/*============================================================================
+
+This C source file is part of TestFloat, Release 3e, a package of programs for
+testing the correctness of floating-point arithmetic complying with the IEEE
+Standard for Floating-Point, 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 <stdint.h>
+#include <stdlib.h>
+#include "platform.h"
+#include "random.h"
+
+uint_fast8_t random_ui8( void )
+{
+
+    return rand()>>4 & 0xFF;
+
+}
+
+uint_fast16_t random_ui16( void )
+{
+
+    return (rand() & 0x0FF0)<<4 | (rand()>>4 & 0xFF);
+
+}
+
+uint_fast32_t random_ui32( void )
+{
+
+    return
+          (uint_fast32_t) (rand() & 0x0FF0)<<20
+        | (uint_fast32_t) (rand() & 0x0FF0)<<12
+        | (rand() & 0x0FF0)<<4
+        | (rand()>>4 & 0xFF);
+
+}
+
+uint_fast64_t random_ui64( void )
+{
+
+    return (uint_fast64_t) random_ui32()<<32 | random_ui32();
+
+}
+
+uint_fast8_t randomN_ui8( uint_fast8_t N )
+{
+    uint_fast8_t scale, z;
+
+    scale = 0;
+    while ( N < 0x80 ) {
+        ++scale;
+        N <<= 1;
+    }
+    do {
+        z = random_ui8();
+    } while ( N <= z );
+    return z>>scale;
+
+}
+
+uint_fast16_t randomN_ui16( uint_fast16_t N )
+{
+    uint_fast16_t scale, z;
+
+    scale = 0;
+    while ( N < 0x8000 ) {
+        ++scale;
+        N <<= 1;
+    }
+    do {
+        z = random_ui16();
+    } while ( N <= z );
+    return z>>scale;
+
+}
+
+uint_fast32_t randomN_ui32( uint_fast32_t N )
+{
+    uint_fast32_t scale, z;
+
+    scale = 0;
+    while ( N < 0x8000 ) {
+        ++scale;
+        N <<= 1;
+    }
+    do {
+        z = random_ui32();
+    } while ( N <= z );
+    return z>>scale;
+
+}
+
+uint_fast64_t randomN_ui64( uint_fast64_t N )
+{
+    uint_fast64_t scale, z;
+
+    scale = 0;
+    while ( N < 0x8000 ) {
+        ++scale;
+        N <<= 1;
+    }
+    do {
+        z = random_ui64();
+    } while ( N <= z );
+    return z>>scale;
+
+}
+