Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / reactos / sdk / lib / crt / math / arm / __rt_div_worker.h

diff --git a/reactos/sdk/lib/crt/math/arm/__rt_div_worker.h b/reactos/sdk/lib/crt/math/arm/__rt_div_worker.h
deleted file mode 100644 (file)
index 63ea634..0000000
--- a/reactos/sdk/lib/crt/math/arm/__rt_div_worker.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * COPYRIGHT:       BSD - See COPYING.ARM in the top level directory
- * PROJECT:         ReactOS CRT library
- * FILE:            lib/sdk/crt/math/arm/__rt_div_worker.h
- * PURPOSE:         Implementation of __rt_udiv
- * PROGRAMMER:      Timo Kreuzer
- * REFERENCE:       http://research.microsoft.com/pubs/70645/tr-2008-141.pdf
- *                  http://research.microsoft.com/en-us/um/redmond/projects/invisible/src/crt/md/arm/_div10.s.htm
- *                  http://research.microsoft.com/en-us/um/redmond/projects/invisible/src/crt/md/arm/_udiv.c.htm
- */
-
-#ifdef _USE_64_BITS_
-typedef unsigned long long UINT3264;
-typedef long long INT3264;
-#define _CountLeadingZeros _CountLeadingZeros64
-#else
-typedef unsigned int UINT3264;
-typedef int INT3264;
-#endif
-
-__forceinline
-void
-__brkdiv0(void)
-{
-    __emit(0xDEF9);
-}
-
-typedef struct _ARM_DIVRESULT
-{
-    UINT3264 quotient; /* to be returned in R0 */
-    UINT3264 modulus;  /* to be returned in R1 */
-} ARM_DIVRESULT;
-
-#ifndef _USE_64_BITS_
-__forceinline
-#endif
-void
-__rt_div_worker(
-    ARM_DIVRESULT *result,
-    UINT3264 divisor,
-    UINT3264 dividend)
-{
-    UINT3264 shift;
-    UINT3264 mask;
-    UINT3264 quotient;
-#ifdef _SIGNED_DIV_
-    int dividend_sign;
-    int divisor_sign;
-#endif // _SIGNED_DIV_
-
-    if (divisor == 0)
-    {
-        /* Raise divide by zero error */
-        __brkdiv0();
-    }
-
-#ifdef _SIGNED_DIV_
-    if ((INT3264)dividend < 0)
-    {
-        dividend_sign = 1;
-        dividend = -(INT3264)dividend;
-    }
-
-    if ((INT3264)divisor < 0)
-    {
-        divisor_sign = 1;
-        divisor = -(INT3264)divisor;
-    }
-#endif // _SIGNED_DIV_
-
-    if (divisor > dividend)
-    {
-        result->quotient = 0;
-        result->modulus = divisor;
-        return;
-    }
-
-    /* Get the difference in count of leading zeros between dividend and divisor */
-    shift = _CountLeadingZeros(divisor);
-    shift -= _CountLeadingZeros(dividend);
-
-    /* Shift the divisor to the left, so that it's highest bit is the same
-       as the highest bit of the dividend */
-    divisor <<= shift;
-
-    mask = (UINT3264)1 << shift;
-
-    quotient = 0;
-    do
-    {
-        if (dividend >= divisor)
-        {
-            quotient |= mask;
-            dividend -= divisor;
-        }
-        divisor >>= 1;
-        mask >>= 1;
-    }
-    while (mask);
-
-#ifdef _SIGNED_DIV_
-    if (dividend_sign ^ divisor_sign)
-    {
-        quotient = -(INT3264)quotient;
-    }
-
-    if (dividend_sign)
-    {
-        dividend = -(INT3264)dividend;
-    }
-#endif // _SIGNED_DIV_
-
-    result->quotient = quotient;
-    result->modulus = dividend;
-    return;
-}