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annotate packages/language/cxx/ustl/current/tests/bvt21.cpp @ 2961:4d0db334c7fc

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* include/*, tests/*, HISTORY, LICENSE: Update to uSTL 1.4 sources.
author jld
date Tue, 29 Jun 2010 07:30:28 +0000
parents 88af52c64ce4
children 4885e0722884
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1 // This file is part of the uSTL library, an STL implementation.
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2 //
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3 // Copyright (c) 2005-2009 by Mike Sharov <msharov@users.sourceforge.net>
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4 // This file is free software, distributed under the MIT License.
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5
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6 #include "stdtest.h"
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7
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8 template <typename T>
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9 void TestBswap (T v)
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10 {
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11 const T vsw (bswap(v));
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12 #if BYTE_ORDER == LITTLE_ENDIAN
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13 const T vbe (vsw), vle (v);
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14 #elif BYTE_ORDER == BIG_ENDIAN
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15 const T vbe (v), vle (vsw);
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16 #endif
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17 static const char ok[2][4] = { "bad", "ok" };
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18 cout << "bswap(" << v << ") = " << vsw << endl;
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19 cout << "le_to_native(" << v << ") = " << ok[le_to_native(vle) == v] << endl;
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20 cout << "native_to_le(" << v << ") = " << ok[native_to_le(v) == vle] << endl;
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21 cout << "be_to_native(" << v << ") = " << ok[be_to_native(vbe) == v] << endl;
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22 cout << "native_to_be(" << v << ") = " << ok[native_to_be(v) == vbe] << endl;
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23 }
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24
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25 void TestUtility (void)
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26 {
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27 cout << "DivRU(13,5) = " << DivRU(13,5) << endl;
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28 cout << "DivRU(15,5) = " << DivRU(15,5) << endl;
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29 cout << "DivRU(-12,5) = " << DivRU(-12,5) << endl;
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30 cout << endl;
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31 cout << "Align(5) = " << Align(5) << endl;
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32 cout << "Align(5,2) = " << Align(5,2) << endl;
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33 cout << "Align(17,7) = " << Align(17,7) << endl;
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34 cout << "Align(14,7) = " << Align(14,7) << endl;
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35 cout << endl;
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36 cout << "NextPow2(0) = " << NextPow2(0) << endl;
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37 cout << "NextPow2(1) = " << NextPow2(1) << endl;
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38 cout << "NextPow2(4) = " << NextPow2(4) << endl;
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39 cout << "NextPow2(3827) = " << NextPow2(3827) << endl;
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40 cout << "NextPow2(0xFFFFFFF0) = " << NextPow2(0xFFFFFFF0) << endl;
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41 cout << endl;
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42 cout << "advance(42,0) = " << advance(42,0) << endl;
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43 cout << "advance(42,3) = " << advance(42,3) << endl;
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44 const void *cvp = (const void*) 0x1234;
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45 void* vp = (void*) 0x4321;
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46 cout << ios::hex;
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47 cout << "cvp = " << cvp << endl;
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48 cout << "vp = " << vp << endl;
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49 cout << "advance(cvp,5) = " << advance(cvp,5) << endl;
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50 cout << "advance(vp,4) = " << advance(vp,4) << endl;
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51 cout << "distance(cvp,vp) = " << distance(cvp,vp) << endl;
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52 cout << "abs_distance(vp,cvp) = " << abs_distance(vp,cvp) << endl;
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53 cout << ios::dec << endl;
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54 const int32_t c_Numbers[] = { 1, 2, 3, 4, 5 };
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55 const int32_t c_Empty[] = { };
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56 cout << "size_of_elements(3, c_Numbers) = " << size_of_elements(3, c_Numbers) << endl;
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57 cout << "VectorSize(c_Numbers[5]) = " << VectorSize(c_Numbers) << endl;
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58 cout << "VectorSize(c_Numbers[0]) = " << VectorSize(c_Empty) << endl;
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59 cout << endl;
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60 cout << "BitsInType(uint32_t) = " << BitsInType(uint32_t) << endl;
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61 cout << "BitsInType(int16_t) = " << BitsInType(int16_t) << endl;
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62 cout << "BitsInType(char) = " << BitsInType(char) << endl;
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63 cout << ios::hex << endl;
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64 cout << "BitMask(uint32_t,12) = " << BitMask(uint32_t,12) << endl;
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65 cout << "BitMask(uint16_t,1) = " << BitMask(uint16_t,1) << endl;
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66 cout << "BitMask(uint8_t,8) = " << BitMask(uint8_t,8) << endl;
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67 cout << "BitMask(uint16_t,0) = " << BitMask(uint16_t,0) << endl;
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68 cout << endl;
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69 uint16_t packed16 = 0xCDCD;
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70 pack_type (uint8_t(0x42), packed16);
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71 cout << "pack_type(uint8_t, uint16_t) = " << packed16 << endl;
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72 uint32_t packed32 = 0xCDCDCDCD;
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73 pack_type (uint8_t(0x42), packed32);
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74 cout << "pack_type(uint8_t, uint32_t) = " << packed32 << endl;
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75 packed32 = 0xCDCDCDCD;
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76 pack_type (uint16_t(0x4243), packed32);
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77 cout << "pack_type(uint16_t, uint32_t) = " << packed32 << endl;
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78 #if HAVE_INT64_T
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79 uint64_t packed64 = UINT64_C(0x123456789ABCDEF0);
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80 pack_type (uint8_t(0x42), packed64);
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81 cout << "pack_type(uint8_t, uint64_t) = " << packed64 << endl;
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82 packed64 = UINT64_C(0x123456789ABCDEF0);
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83 pack_type (uint32_t(0x42434445), packed64);
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84 cout << "pack_type(uint32_t, uint64_t) = " << packed64 << endl;
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85 #else
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86 cout << "No 64bit types available on this platform" << endl;
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87 #endif
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88 cout << endl;
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89 TestBswap (uint16_t (0x1234));
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90 TestBswap (uint32_t (0x12345678));
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91 #if HAVE_INT64_T
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92 TestBswap (uint64_t (UINT64_C(0x123456789ABCDEF0)));
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93 #else
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94 cout << "No 64bit types available on this platform" << endl;
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95 #endif
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96 cout << ios::dec << endl;
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97 cout << "absv(12) = " << absv(12) << endl;
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98 cout << "absv(-12) = " << absv(-12) << endl;
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99 cout << "sign(12) = " << sign(12) << endl;
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100 cout << "sign(-12) = " << sign(-12) << endl;
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101 cout << "sign(0) = " << sign(0) << endl;
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102 cout << "min(3,4) = " << min(3,4) << endl;
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103 cout << "min(6U,1U) = " << min(6U,1U) << endl;
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104 cout << "max(-3,-6) = " << max(-3,-6) << endl;
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105 cout << "max(-3L,6L) = " << max(-3L,6L) << endl;
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106 }
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107
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108 StdBvtMain (TestUtility)