ARM Skia NEON patches - 04 - Clean SkFixed / SkLONGLONG

tests/Sk64Test.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "Test.h"
 #include "SkRandom.h"
 #include <math.h>
 
 struct BoolTable {
     int8_t  zero, pos, neg, toBool, sign;
 };
 
 static void bool_table_test(skiatest::Reporter* reporter,
                             const Sk64& a, const BoolTable& table)
 {
     REPORTER_ASSERT(reporter, a.isZero() != a.nonZero());
 
     REPORTER_ASSERT(reporter, !a.isZero() == !table.zero);
     REPORTER_ASSERT(reporter, !a.isPos() == !table.pos);
     REPORTER_ASSERT(reporter, !a.isNeg() == !table.neg);
     REPORTER_ASSERT(reporter, a.getSign() == table.sign);
 }
 
-#ifdef SkLONGLONG
-    static SkLONGLONG asLL(const Sk64& a)
-    {
-        return ((SkLONGLONG)a.fHi << 32) | a.fLo;
-    }
-#endif
-
 static void TestSk64(skiatest::Reporter* reporter) {
     enum BoolTests {
         kZero_BoolTest,
         kPos_BoolTest,
         kNeg_BoolTest
     };
     static const BoolTable gBoolTable[] = {
         { 1, 0, 0, 0, 0 },
         { 0, 1, 0, 1, 1 },
         { 0, 0, 1, 1, -1 }
@@ skipping 43 matching lines @@
         REPORTER_ASSERT(reporter, a.get32() == aa && b.get32() == bb);
         c = a; c.add(bb);
         REPORTER_ASSERT(reporter, c.get32() == aa + bb);
         c = a; c.add(-bb);
         REPORTER_ASSERT(reporter, c.get32() == aa - bb);
         c = a; c.add(b);
         REPORTER_ASSERT(reporter, c.get32() == aa + bb);
         c = a; c.sub(b);
         REPORTER_ASSERT(reporter, c.get32() == aa - bb);
     }
-
-#ifdef SkLONGLONG
-    for (i = 0; i < 1000; i++)
-    {
-        rand.next64(&a); //a.fHi >>= 1; // avoid overflow
-        rand.next64(&b); //b.fHi >>= 1; // avoid overflow
-
-        if (!(i & 3))   // want to explicitly test these cases
-        {
-            a.fLo = 0;
-            b.fLo = 0;
-        }
-        else if (!(i & 7))  // want to explicitly test these cases
-        {
-            a.fHi = 0;
-            b.fHi = 0;
-        }
-
-        SkLONGLONG aa = asLL(a);
-        SkLONGLONG bb = asLL(b);
-
-        REPORTER_ASSERT(reporter, (a < b) == (aa < bb));
-        REPORTER_ASSERT(reporter, (a <= b) == (aa <= bb));
-        REPORTER_ASSERT(reporter, (a > b) == (aa > bb));
-        REPORTER_ASSERT(reporter, (a >= b) == (aa >= bb));
-        REPORTER_ASSERT(reporter, (a == b) == (aa == bb));
-        REPORTER_ASSERT(reporter, (a != b) == (aa != bb));
-
-        c = a; c.add(b);
-        REPORTER_ASSERT(reporter, asLL(c) == aa + bb);
-        c = a; c.sub(b);
-        REPORTER_ASSERT(reporter, asLL(c) == aa - bb);
-        c = a; c.rsub(b);
-        REPORTER_ASSERT(reporter, asLL(c) == bb - aa);
-        c = a; c.negate();
-        REPORTER_ASSERT(reporter, asLL(c) == -aa);
-
-        int bits = rand.nextU() & 63;
-        c = a; c.shiftLeft(bits);
-        REPORTER_ASSERT(reporter, asLL(c) == (aa << bits));
-        c = a; c.shiftRight(bits);
-        REPORTER_ASSERT(reporter, asLL(c) == (aa >> bits));
-        c = a; c.roundRight(bits);
-
-        SkLONGLONG tmp;
-
-        tmp = aa;
-        if (bits > 0)
-            tmp += (SkLONGLONG)1 << (bits - 1);
-        REPORTER_ASSERT(reporter, asLL(c) == (tmp >> bits));
-
-        c.setMul(a.fHi, b.fHi);
-        tmp = (SkLONGLONG)a.fHi * b.fHi;
-        REPORTER_ASSERT(reporter, asLL(c) == tmp);
-    }
-
-
-    for (i = 0; i < 100000; i++)
-    {
-        Sk64    wide;
-        int32_t denom = rand.nextS();
-
-        while (denom == 0)
-            denom = rand.nextS();
-        wide.setMul(rand.nextS(), rand.nextS());
-        SkLONGLONG check = wide.getLongLong();
-
-        wide.div(denom, Sk64::kTrunc_DivOption);
-        check /= denom;
-        SkLONGLONG w = wide.getLongLong();
-
-        REPORTER_ASSERT(reporter, check == w);
-
-        wide.setMul(rand.nextS(), rand.nextS());
-        wide.abs();
-        denom = wide.getSqrt();
-        int32_t ck = (int32_t)sqrt((double)wide.getLongLong());
-        int diff = denom - ck;
-        REPORTER_ASSERT(reporter, SkAbs32(diff) <= 1);
-
-        wide.setMul(rand.nextS(), rand.nextS());
-        Sk64    dwide;
-        dwide.setMul(rand.nextS(), rand.nextS());
-        SkFixed fixdiv = wide.getFixedDiv(dwide);
-        double dnumer = (double)wide.getLongLong();
-        double ddenom = (double)dwide.getLongLong();
-        double ddiv = dnumer / ddenom;
-        SkFixed dfixdiv;
-        if (ddiv >= (double)SK_MaxS32 / (double)SK_Fixed1)
-            dfixdiv = SK_MaxS32;
-        else if (ddiv <= -(double)SK_MaxS32 / (double)SK_Fixed1)
-            dfixdiv = SK_MinS32;
-        else
-            dfixdiv = SkFloatToFixed(dnumer / ddenom);
-        diff = fixdiv - dfixdiv;
-
-        if (SkAbs32(diff) > 1) {
-            SkDebugf(" %d === numer %g denom %g div %g xdiv %x fxdiv %x\n",
-                     i, dnumer, ddenom, ddiv, dfixdiv, fixdiv);
-        }
-        REPORTER_ASSERT(reporter, SkAbs32(diff) <= 1);
-    }
-#endif
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("Sk64", Sk64TestClass, TestSk64)