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79
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1 #include "stdio.h"
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2
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3 void test1();
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82
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4 void print(double d);
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79
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5
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81
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6 extern double sin(double);
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84
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7 // extern float fsin(float);
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94
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8 double test2(double f,int i);
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81
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9
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82
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10 float f = 0.3;
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11 double d = 0.3;
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12 float f1 = 0.3;
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13 double d1 = 0.3;
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84
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14 double d2 = -0.2;
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96
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15 float h = 1.0;
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82
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16
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91
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17 int
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18 d2i(double d) {
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19 return (int)d;
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20 }
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21
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22 double
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23 i2d(int u) {
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24 return (double)u;
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25 }
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90
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26
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91
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27 unsigned u;
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28 unsigned
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29 d2u(double d) {
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30 return (unsigned)d;
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31 }
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32
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33 double
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34 u2d(unsigned u) {
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35 return (double)u;
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90
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36 }
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37
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379
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38 double
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39 f2d(float u) {
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40 double u1;
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41 u1 = f1;
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42 return (double)u;
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43 }
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44
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45 float
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46 d2f(double u) {
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47 float u1;
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48 u1 = d1;
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49 return (float)u;
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50 }
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51
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79
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52 int
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53 main(int ac,char *av[]) {
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82
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54 double g;
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55 int i;
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85
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56 unsigned u;
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108
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57 double d00 = ac?0.5:3;
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58
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427
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59 printf("#0058:%g\n",d00);
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82
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60
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61 g = 1.0;
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62 g = -g;
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427
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63 printf("#0062:%d\ncond0 ",1);
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64 if(f==f*1.0) printf("#0063:t ");
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65 printf("#0064:%d\ncond1 ",f==f*1.0);
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66 if(d==f*1.0) printf("#0065:t ");
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67 printf("#0066:%d\ncond2 ",d==f*1.0);
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68 if(f==f1) printf("#0067:t ");
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69 printf("#0068:%d\ncond3 ",f==f1);
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70 if(d==d1) printf("#0069:t ");
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71 printf("#0070:%d\ncond4 ",d==d2);
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72 if(d==d2) printf("#0071:t ");
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73 printf("#0072:%d\ncond5 ",(d==d2));
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74 if(d>d1) printf("#0073:t ");
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75 printf("#0074:%d\ncond6 ",d>d1);
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76 if(d>d2) printf("#0075:t ");
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77 printf("#0076:%d\ncond7 ",d>d2);
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78 if(d>=d1) printf("#0077:t ");
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79 printf("#0078:%d\ncond8 ",d>=d1);
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80 if(d>=d2) printf("#0079:t ");
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81 printf("#0080:%d\ncond9 ",d>=d2);
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82 if(d!=d1) printf("#0081:t ");
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83 printf("#0082:%d\ncond10 ",d!=d1);
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84 if(d!=d2) printf("#0083:5 ");
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85 printf("#0084:%d\ncond11 ",d!=d2);
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86 if(d<d1) printf("#0085:t ");
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87 printf("#0086:%d\ncond12 ",d<d1);
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88 if(d<d2) printf("#0087:t ");
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89 printf("#0088:%d\ncond13 ",d<d2);
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90 if(d<=d1) printf("#0089:t ");
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91 printf("#0090:%d\ncond14 ",d<=d1);
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92 if(d<=d2) printf("#0091:t ");
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93 printf("#0092:%d\ncond15 ",d<=d2);
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85
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94 d = 123.4234; f=-234.333;
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82
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95 i = d;
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96 d = i;
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97 i = f;
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98 f = i;
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427
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99 printf("#0098:\ni=%d d=%g f=%f",i,d,f);
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94
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100 f = g = d = d1 = d2 = f;
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427
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101 printf("#0100: i=%d d=%g f=%f g=%g\n",i,d,f,g);
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82
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102
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86
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103 d = 4204967294.4234; f=4204967294.4234;
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85
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104 u = d;
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427
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105 printf("#0104:1: u=%u d=%g f=%f\n",u,d,f);
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85
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106 d = u;
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427
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107 printf("#0106:2: u=%u d=%g f=%f\n",u,d,f);
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85
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108 u = f;
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427
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109 printf("#0108:3: u=%u d=%g f=%f\n",u,d,f);
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85
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110 f = u;
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427
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111 printf("#0110:4: u=%u d=%g f=%f\n",u,d,f);
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85
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112
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82
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113 print(1.0);
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114 print(0.1234);
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115 print(1.234e10);
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116 print(1.234e-10);
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117
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79
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118 test1();
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427
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119 printf("#0118:nested call: %g\n",test2(test2(test2(test2(-0.333,3),5),6),7));
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79
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120 return 0;
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121 }
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122
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82
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123 void
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124 print(double d)
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125 {
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126 float f;
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127 int *dd;
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128
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129 f = d;
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130
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131 dd = (int*) &d;
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427
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132 printf("#0131:d %g ",d);
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133 printf("#0132:dx %08x %08x\n",*(dd),*(dd+1));
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82
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134
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135 dd = (int*) &f;
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427
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136 printf("#0135:f %g ",f);
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137 printf("#0136:dx %08x \n",*(dd));
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82
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138 }
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139
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81
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140 double
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141 testd(double i,double j)
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142 {
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87
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143 return j+1.1+.0e3+12.3e-12;
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81
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144 }
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145
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146 float
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147 testf(float i,float j)
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148 {
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87
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149 return j+1;
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81
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150 }
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151
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79
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152 void
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153 test1()
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154 {
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155 float f;
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156 float f1;
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157 double g;
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158 double g1;
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85
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159 float *pf;
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160 float *pf1;
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161 double *pg;
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162 double *pg1;
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163 int n = 1;
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79
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164
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427
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165 printf("#0164:simple double ");
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79
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166 f = 1.3;
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167
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168 g = 1.0;
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169 g = g+g;
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427
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170 printf("#0169:%d:%g\t",n++,g);
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79
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171 g1 = g*g;
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427
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172 printf("#0171:%d:%g\t",n++,g1);
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79
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173 g = g/g1;
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427
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174 printf("#0173:%d:%g\t",n++,g);
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79
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175 g = g-g1;
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427
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176 printf("#0175:%d:%g\t",n++,g);
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79
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177 g = sin(g1);
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427
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178 printf("#0177:%d:%g\t",n++,g);
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81
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179 g = testd(g,g1);
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427
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180 printf("#0179:%d:%g\t",n++,g);
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181 printf("#0180:\n");
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79
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182
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427
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183 printf("#0182:simple float ");
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79
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184 f = f+f;
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427
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185 printf("#0184:%d:%g\t",n++,f);
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79
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186 f1 = f*f;
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427
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187 printf("#0186:%d:%g\t",n++,f1);
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79
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188 f = f/f1;
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427
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189 printf("#0188:%d:%g\t",n++,f);
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79
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190 f = f-f1;
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427
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191 printf("#0190:%d:%g\t",n++,f);
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79
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192 f = sin(f1);
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427
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193 printf("#0192:%d:%g\t",n++,f);
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194 printf("#0193:\n");
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85
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195
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427
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196 printf("#0195:post/pre increment ");
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86
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197 g1 = g;
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427
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198 printf("#0197:%d:%g\t",n++,g1++ - ++g);
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85
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199
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86
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200 f1 = f;
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427
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201 printf("#0200:%d:%g\t",n++,f1++ - ++f);
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87
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202
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203 g1 = g;
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427
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204 printf("#0203:%d:%g\t",n++,g1-- - --g);
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87
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205
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206 f1 = f;
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427
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207 printf("#0206:%d:%g\t",n++,f1-- - --f);
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87
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208
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427
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209 printf("#0208:\n");
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210 printf("#0209:simple calc ");
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87
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211
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212 f=0.13; g=-0.56; f1=-0.13; g1=0.56;
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79
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213
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214 g = f+f;
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427
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215 printf("#0214:%d:%g\t",n++,g);
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79
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216 f = g*g;
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427
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217 printf("#0216:%d:%g\t",n++,f);
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79
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218 g = g*g+f*f-g1*g1;
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427
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219 printf("#0218:%d:%g\t",n++,g);
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220 printf("#0219:\n");
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79
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221
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427
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222 printf("#0221:float argument ");
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87
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223 f = testf(f,f1);
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427
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224 printf("#0223:%d:%g\t",n++,f);
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87
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225
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427
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226 printf("#0225:\nindirect ");
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85
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227 n=1;
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228 f = 1.3; pf=&f; pf1=&f1;
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229
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230 g = 1.0; pg=&g; pg1=&g1;
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231 *pg = *pg+ *pg;
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427
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232 printf("#0231:%d:%g\t",n++,*pg);
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85
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233 *pg1 = *pg**pg;
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427
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234 printf("#0233:%d:%g\t",n++,*pg1);
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85
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235 *pg = *pg/ *pg1;
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427
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236 printf("#0235:%d:%g\t",n++,*pg);
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85
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237 *pg = *pg-*pg1;
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427
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238 printf("#0237:%d:%g\t",n++,*pg);
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85
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239 *pg = sin(*pg1);
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427
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240 printf("#0239:%d:%g\t",n++,*pg);
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85
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241 *pg = testd(*pg,*pg1);
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427
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242 printf("#0241:%d:%g\t",n++,*pg);
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243 printf("#0242:\n");
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85
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244
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245 *pf = *pf+*pf;
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427
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246 printf("#0245:%d:%g\t",n++,*pf);
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85
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247 *pf1 = *pf**pf;
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427
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248 printf("#0247:%d:%g\t",n++,*pf1);
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85
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249 *pf = *pf/ *pf1;
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427
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250 printf("#0249:%d:%g\t",n++,*pf);
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85
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251 *pf = *pf-*pf1;
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427
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252 printf("#0251:%d:%g\t",n++,*pf);
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85
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253 *pf = sin(*pf1);
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427
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254 printf("#0253:%d:%g\t",n++,*pf);
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255 printf("#0254:\n");
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85
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256
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427
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257 printf("#0256:indirect post/pre ");
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86
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258 *pg1 = *pg;
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427
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259 printf("#0258:%d:%g\t",n++,(*pg1)++ - ++(*pg));
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85
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260
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86
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261 *pf1 = *pf;
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427
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262 printf("#0261:%d:%g\t",n++,(*pf1)++ - ++(*pf));
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87
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263
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264 *pg1 = *pg;
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427
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265 printf("#0264:%d:%g\t",n++, (*pg1)-- - --(*pg));
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86
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266
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87
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267 *pf1 = *pf;
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427
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268 printf("#0267:%d:%g\t",n++, (*pf1)-- - --(*pf));
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269 printf("#0268:\n");
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87
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270
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271 *pf=0.13; *pg=-0.56; *pf1=-0.13; *pg1=0.56;
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85
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272
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273 *pg = *pf+*pf;
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427
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274 printf("#0273:%d:%g\t",n++,*pg);
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85
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275 *pf = *pg**pg;
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427
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276 printf("#0275:%d:%g\t",n++,*pf);
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85
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277 *pg = *pg**pg+*pf**pf-*pg1**pg1;
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427
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278 printf("#0277:%d:%g\t",n++,*pg);
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279 printf("#0278:\n");
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85
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280
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427
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281 printf("#0280:float argument ");
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87
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282
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283 *pf = testf(*pf,*pf1);
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427
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284 printf("#0283:%d:%g\t",n++,*pf);
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87
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285
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286
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427
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287 printf("#0286:\nassop ");
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85
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288 n=1;
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289 f = 1.3;
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290 g = 1.0;
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291
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292 g *= 2*g;
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427
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293 printf("#0292:%d:%g\t",n++,g);
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85
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294 g /= 2*g;
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427
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295 printf("#0294:%d:%g\t",n++,g);
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85
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296 g -= 2*g;
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427
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297 printf("#0296:%d:%g\t",n++,g);
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85
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298 g += 2*g;
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427
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299 printf("#0298:%d:%g\t",n++,g);
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85
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300
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301 f *= 2*g;
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427
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302 printf("#0301:%d:%g\t",n++,f);
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85
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303 f /= 2*g;
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427
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304 printf("#0303:%d:%g\t",n++,f);
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85
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305 f -= 2*g;
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427
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306 printf("#0305:%d:%g\t",n++,f);
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85
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307 f += 2*g;
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427
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308 printf("#0307:%d:%g\t",n++,f);
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309 printf("#0308:\n");
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85
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310
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311 n=1;
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312 f = 1.3;
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313 g = 1.0;
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314
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427
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315 printf("#0314:indirect assop ");
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85
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316 *pg *= 2**pg;
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427
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317 printf("#0316:%d:%g\t",n++,*pg);
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85
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318 *pg /= 2**pg;
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427
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319 printf("#0318:%d:%g\t",n++,*pg);
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85
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320 *pg -= 2**pg;
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427
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321 printf("#0320:%d:%g\t",n++,*pg);
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85
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322 *pg += 2**pg;
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427
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323 printf("#0322:%d:%g\t",n++,*pg);
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85
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324
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325 *pf *= 2**pg;
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427
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326 printf("#0325:%d:%g\t",n++,*pf);
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85
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327 *pf /= 2**pg;
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427
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328 printf("#0327:%d:%g\t",n++,*pf);
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85
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329 *pf -= 2**pg;
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427
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330 printf("#0329:%d:%g\t",n++,*pf);
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85
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331 *pf += 2**pg;
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427
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332 printf("#0331:%d:%g\t",n++,*pf);
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333 printf("#0332:\n");
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85
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334
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335
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79
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336 return;
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337 }
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94
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338
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339 double
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340 test2(double f,int i)
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341 {
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342 double g,h;
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343
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344 if (i<=0) return f;
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112
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345 #if 1
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427
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346 printf("#0345:rec: %d %g\n",i,f);
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112
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347 #endif
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94
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348 g = f*2;
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349 h = f-0.5;
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350 return h/3-(3.0-(g+3)*test2(f*0.5,i-1)/(h-1));
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351 }
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