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annotate src/testdir/test_float_func.vim @ 10532:80b50e43e382 v8.0.0156

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commit https://github.com/vim/vim/commit/453b576ee5d32e9b8e6876712748ae01f9be68dd Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 8 17:59:14 2017 +0100 patch 8.0.0156: not enough test coverage for float functions Problem: Several float functions are not covered by tests. Solution: Add float tests. (Dominique Pelle)
author Christian Brabandt <cb@256bit.org>
date Sun, 08 Jan 2017 18:00:05 +0100
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children 6ddf322ff7cf
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1 " test float functions
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2
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3 if !has('float')
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4 finish
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5 end
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7 func Test_abs()
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8 call assert_equal(string(abs(1.23)), '1.23')
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9 call assert_equal(string(abs(-1.23)), '1.23')
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10 call assert_equal(string(abs(0.0)), '0.0')
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11 call assert_equal(string(abs(1.0/(1.0/0.0))), '0.0')
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12 call assert_equal(string(abs(-1.0/(1.0/0.0))), '0.0')
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13 call assert_equal(string(abs(1.0/0.0)), 'inf')
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14 call assert_equal(string(abs(-1.0/0.0)), 'inf')
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15 call assert_equal(string(abs(0.0/0.0)), 'nan')
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16 endfunc
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18 func Test_sqrt()
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19 call assert_equal(string(sqrt(0.0)), '0.0')
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20 call assert_equal(string(sqrt(2.0)), '1.414214')
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21 call assert_equal(string(sqrt(1.0/0.0)), 'inf')
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22 call assert_equal(string(sqrt(-1.0)), 'nan')
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23 call assert_equal(string(sqrt(0.0/0.0)), 'nan')
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24 endfunc
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26 func Test_log()
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27 call assert_equal(string(log(1.0)), '0.0')
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28 call assert_equal(string(log(0.5)), '-0.693147')
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29 call assert_equal(string(log(0.0)), '-inf')
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30 call assert_equal(string(log(-1.0)), 'nan')
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31 call assert_equal(string(log(1.0/0.0)), 'inf')
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32 call assert_equal(string(log(0.0/0.0)), 'nan')
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33 endfunc
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35 func Test_log10()
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36 call assert_equal(string(log10(1.0)), '0.0')
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37 call assert_equal(string(log10(100.0)), '2.0')
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38 call assert_equal(string(log10(120.0)), '2.079181')
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39 call assert_equal(string(log10(0.0)), '-inf')
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40 call assert_equal(string(log10(-1.0)), 'nan')
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41 call assert_equal(string(log10(1.0/0.0)), 'inf')
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42 call assert_equal(string(log10(0.0/0.0)), 'nan')
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43 endfunc
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45 func Test_exp()
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46 call assert_equal(string(exp(0.0)), '1.0')
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47 call assert_equal(string(exp(2.0)), '7.389056')
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48 call assert_equal(string(exp(-1.0)),'0.367879')
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49 call assert_equal(string(exp(1.0/0.0)), 'inf')
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50 call assert_equal(string(exp(-1.0/0.0)), '0.0')
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51 call assert_equal(string(exp(0.0/0.0)), 'nan')
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52 endfunc
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54 func Test_sin()
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55 call assert_equal(string(sin(0.0)), '0.0')
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56 call assert_equal(string(sin(1.0)), '0.841471')
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57 call assert_equal(string(sin(-0.5)), '-0.479426')
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58 call assert_equal(string(sin(0.0/0.0)), 'nan')
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59 call assert_equal(string(sin(1.0/0.0)), 'nan')
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60 call assert_equal(string(sin(1.0/(1.0/0.0))), '0.0')
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61 call assert_equal(string(sin(-1.0/(1.0/0.0))), '-0.0')
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62 endfunc
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64 func Test_asin()
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65 call assert_equal(string(asin(0.0)), '0.0')
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66 call assert_equal(string(asin(1.0)), '1.570796')
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67 call assert_equal(string(asin(-0.5)), '-0.523599')
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68 call assert_equal(string(asin(1.1)), 'nan')
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69 call assert_equal(string(asin(1.0/0.0)), 'nan')
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70 call assert_equal(string(asin(0.0/0.0)), 'nan')
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71 endfunc
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72
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73 func Test_sinh()
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74 call assert_equal(string(sinh(0.0)), '0.0')
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75 call assert_equal(string(sinh(0.5)), '0.521095')
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76 call assert_equal(string(sinh(-0.9)), '-1.026517')
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77 call assert_equal(string(sinh(1.0/0.0)), 'inf')
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78 call assert_equal(string(sinh(-1.0/0.0)), '-inf')
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79 call assert_equal(string(sinh(0.0/0.0)), 'nan')
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80 endfunc
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81
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82 func Test_cos()
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83 call assert_equal(string(cos(0.0)), '1.0')
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84 call assert_equal(string(cos(1.0)), '0.540302')
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85 call assert_equal(string(cos(-0.5)), '0.877583')
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86 call assert_equal(string(cos(0.0/0.0)), 'nan')
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87 call assert_equal(string(cos(1.0/0.0)), 'nan')
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88 endfunc
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89
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90 func Test_acos()
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91 call assert_equal(string(acos(0.0)), '1.570796')
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92 call assert_equal(string(acos(1.0)), '0.0')
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93 call assert_equal(string(acos(-1.0)), '3.141593')
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94 call assert_equal(string(acos(-0.5)), '2.094395')
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95 call assert_equal(string(acos(1.1)), 'nan')
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96 call assert_equal(string(acos(1.0/0.0)), 'nan')
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97 call assert_equal(string(acos(0.0/0.0)), 'nan')
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98 endfunc
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99
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100 func Test_cosh()
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101 call assert_equal(string(cosh(0.0)), '1.0')
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102 call assert_equal(string(cosh(0.5)), '1.127626')
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103 call assert_equal(string(cosh(1.0/0.0)), 'inf')
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104 call assert_equal(string(cosh(-1.0/0.0)), 'inf')
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105 call assert_equal(string(cosh(0.0/0.0)), 'nan')
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106 endfunc
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107
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108 func Test_tan()
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109 call assert_equal(string(tan(0.0)), '0.0')
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110 call assert_equal(string(tan(0.5)), '0.546302')
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111 call assert_equal(string(tan(-0.5)), '-0.546302')
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112 call assert_equal(string(tan(1.0/0.0)), 'nan')
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113 call assert_equal(string(cos(0.0/0.0)), 'nan')
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114 call assert_equal(string(tan(1.0/(1.0/0.0))), '0.0')
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115 call assert_equal(string(tan(-1.0/(1.0/0.0))), '-0.0')
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116 endfunc
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117
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118 func Test_atan()
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119 call assert_equal(string(atan(0.0)), '0.0')
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120 call assert_equal(string(atan(0.5)), '0.463648')
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121 call assert_equal(string(atan(-1.0)), '-0.785398')
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122 call assert_equal(string(atan(1.0/0.0)), '1.570796')
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123 call assert_equal(string(atan(-1.0/0.0)), '-1.570796')
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124 call assert_equal(string(atan(0.0/0.0)), 'nan')
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125 endfunc
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126
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127 func Test_atan2()
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128 call assert_equal(string(atan2(-1, -1)), '-2.356194')
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129 call assert_equal(string(atan2(1, -1)), '2.356194')
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130 call assert_equal(string(atan2(1.0, 1.0/0.0)), '0.0')
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131 call assert_equal(string(atan2(1.0/0.0, 1.0)), '1.570796')
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132 call assert_equal(string(atan2(0.0/0.0, 1.0)), 'nan')
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133 endfunc
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134
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135 func Test_tanh()
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136 call assert_equal(string(tanh(0.0)), '0.0')
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137 call assert_equal(string(tanh(0.5)), '0.462117')
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138 call assert_equal(string(tanh(-1.0)), '-0.761594')
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139 call assert_equal(string(tanh(1.0/0.0)), '1.0')
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140 call assert_equal(string(tanh(-1.0/0.0)), '-1.0')
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141 call assert_equal(string(tanh(0.0/0.0)), 'nan')
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142 endfunc
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143
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144 func Test_fmod()
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145 call assert_equal(string(fmod(12.33, 1.22)), '0.13')
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146 call assert_equal(string(fmod(-12.33, 1.22)), '-0.13')
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147 call assert_equal(string(fmod(1.0/0.0, 1.0)), 'nan')
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148 call assert_equal(string(fmod(1.0, 1.0/0.0)), '1.0')
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149 call assert_equal(string(fmod(1.0, 0.0)), 'nan')
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150 endfunc
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151
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152 func Test_pow()
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153 call assert_equal(string(pow(0.0, 0.0)), '1.0')
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154 call assert_equal(string(pow(2.0, 3.0)), '8.0')
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155 call assert_equal(string(pow(2.0, 0.0/0.0)), 'nan')
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156 call assert_equal(string(pow(0.0/0.0, 3.0)), 'nan')
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157 call assert_equal(string(pow(0.0/0.0, 3.0)), 'nan')
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158 call assert_equal(string(pow(2.0, 1.0/0.0)), 'inf')
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159 call assert_equal(string(pow(1.0/0.0, 3.0)), 'inf')
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160 endfunc
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161
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162 func Test_str2float()
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163 call assert_equal(string(str2float('1')), '1.0')
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164 call assert_equal(string(str2float('1.23')), '1.23')
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165 call assert_equal(string(str2float('1.23abc')), '1.23')
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166 call assert_equal(string(str2float('1e40')), '1.0e40')
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167 call assert_equal(string(str2float('1e1000')), 'inf')
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168 call assert_equal(string(str2float('inf')), 'inf')
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169 call assert_equal(string(str2float('-inf')), '-inf')
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170 call assert_equal(string(str2float('Inf')), 'inf')
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171 call assert_equal(string(str2float('nan')), 'nan')
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172 call assert_equal(string(str2float('NaN')), 'nan')
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173 endfunc
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174
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175 func Test_floor()
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176 call assert_equal(string(floor(2.0)), '2.0')
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177 call assert_equal(string(floor(2.11)), '2.0')
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178 call assert_equal(string(floor(2.99)), '2.0')
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179 call assert_equal(string(floor(-2.11)), '-3.0')
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180 call assert_equal(string(floor(-2.99)), '-3.0')
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181 call assert_equal(string(floor(0.0/0.0)), 'nan')
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182 call assert_equal(string(floor(1.0/0.0)), 'inf')
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183 call assert_equal(string(floor(-1.0/0.0)), '-inf')
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184 endfunc
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185
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186 func Test_ceil()
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187 call assert_equal(string(ceil(2.0)), '2.0')
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188 call assert_equal(string(ceil(2.11)), '3.0')
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189 call assert_equal(string(ceil(2.99)), '3.0')
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190 call assert_equal(string(ceil(-2.11)), '-2.0')
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191 call assert_equal(string(ceil(-2.99)), '-2.0')
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192 call assert_equal(string(ceil(0.0/0.0)), 'nan')
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193 call assert_equal(string(ceil(1.0/0.0)), 'inf')
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194 call assert_equal(string(ceil(-1.0/0.0)), '-inf')
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195 endfunc
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196
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197 func Test_round()
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198 call assert_equal(string(round(2.1)), '2.0')
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199 call assert_equal(string(round(2.5)), '3.0')
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200 call assert_equal(string(round(2.9)), '3.0')
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201 call assert_equal(string(round(-2.1)), '-2.0')
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202 call assert_equal(string(round(-2.5)), '-3.0')
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203 call assert_equal(string(round(-2.9)), '-3.0')
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204 call assert_equal(string(round(0.0/0.0)), 'nan')
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205 call assert_equal(string(round(1.0/0.0)), 'inf')
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206 call assert_equal(string(round(-1.0/0.0)), '-inf')
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207 endfunc
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208
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209 func Test_trunc()
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210 call assert_equal(string(trunc(2.1)), '2.0')
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211 call assert_equal(string(trunc(2.5)), '2.0')
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212 call assert_equal(string(trunc(2.9)), '2.0')
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213 call assert_equal(string(trunc(-2.1)), '-2.0')
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214 call assert_equal(string(trunc(-2.5)), '-2.0')
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215 call assert_equal(string(trunc(-2.9)), '-2.0')
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216 call assert_equal(string(trunc(0.0/0.0)), 'nan')
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217 call assert_equal(string(trunc(1.0/0.0)), 'inf')
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218 call assert_equal(string(trunc(-1.0/0.0)), '-inf')
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219 endfunc
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220
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221 func Test_isnan()
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222 call assert_equal(isnan(1.0), 0)
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223 call assert_equal(isnan(0.0/0.0), 1)
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224 call assert_equal(isnan(1.0/0.0), 0)
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225 call assert_equal(isnan('a'), 0)
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226 call assert_equal(isnan([]), 0)
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227 endfunc