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annotate src/testdir/test_float_func.vim @ 10555:fff45421182b v8.0.0167

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patch 8.0.0167: str2nr()/str2float() fail with negative values commit https://github.com/vim/vim/commit/08243d26d22ad44a857d02c90071578577b8a55d Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 10 16:12:29 2017 +0100 patch 8.0.0167: str2nr()/str2float() fail with negative values Problem: str2nr() and str2float() do not always work with negative values. Solution: Be more flexible about handling signs. (LemonBoy, closes https://github.com/vim/vim/issues/1332) Add more tests.
author Christian Brabandt <cb@256bit.org>
date Tue, 10 Jan 2017 16:15:04 +0100
parents 6ddf322ff7cf
children 018b7ecc58db
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1 " test float functions
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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('1.23', string(abs(1.23)))
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9 call assert_equal('1.23', string(abs(-1.23)))
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10 call assert_equal('0.0', string(abs(0.0)))
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11 call assert_equal('0.0', string(abs(1.0/(1.0/0.0))))
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12 call assert_equal('0.0', string(abs(-1.0/(1.0/0.0))))
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13 call assert_equal('inf', string(abs(1.0/0.0)))
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14 call assert_equal('inf', string(abs(-1.0/0.0)))
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15 call assert_equal('nan', string(abs(0.0/0.0)))
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16 endfunc
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18 func Test_sqrt()
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19 call assert_equal('0.0', string(sqrt(0.0)))
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20 call assert_equal('1.414214', string(sqrt(2.0)))
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21 call assert_equal('inf', string(sqrt(1.0/0.0)))
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22 call assert_equal('nan', string(sqrt(-1.0)))
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23 call assert_equal('nan', string(sqrt(0.0/0.0)))
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24 endfunc
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26 func Test_log()
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27 call assert_equal('0.0', string(log(1.0)))
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28 call assert_equal('-0.693147', string(log(0.5)))
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29 call assert_equal('-inf', string(log(0.0)))
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30 call assert_equal('nan', string(log(-1.0)))
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31 call assert_equal('inf', string(log(1.0/0.0)))
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32 call assert_equal('nan', string(log(0.0/0.0)))
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33 endfunc
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35 func Test_log10()
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36 call assert_equal('0.0', string(log10(1.0)))
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37 call assert_equal('2.0', string(log10(100.0)))
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38 call assert_equal('2.079181', string(log10(120.0)))
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39 call assert_equal('-inf', string(log10(0.0)))
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40 call assert_equal('nan', string(log10(-1.0)))
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41 call assert_equal('inf', string(log10(1.0/0.0)))
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42 call assert_equal('nan', string(log10(0.0/0.0)))
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43 endfunc
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45 func Test_exp()
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46 call assert_equal('1.0', string(exp(0.0)))
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47 call assert_equal('7.389056', string(exp(2.0)))
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48 call assert_equal('0.367879', string(exp(-1.0)))
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49 call assert_equal('inf', string(exp(1.0/0.0)))
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50 call assert_equal('0.0', string(exp(-1.0/0.0)))
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51 call assert_equal('nan', string(exp(0.0/0.0)))
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52 endfunc
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54 func Test_sin()
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55 call assert_equal('0.0', string(sin(0.0)))
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56 call assert_equal('0.841471', string(sin(1.0)))
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57 call assert_equal('-0.479426', string(sin(-0.5)))
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58 call assert_equal('nan', string(sin(0.0/0.0)))
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59 call assert_equal('nan', string(sin(1.0/0.0)))
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60 call assert_equal('0.0', string(sin(1.0/(1.0/0.0))))
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61 call assert_equal('-0.0', string(sin(-1.0/(1.0/0.0))))
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62 endfunc
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64 func Test_asin()
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65 call assert_equal('0.0', string(asin(0.0)))
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66 call assert_equal('1.570796', string(asin(1.0)))
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67 call assert_equal('-0.523599', string(asin(-0.5)))
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68 call assert_equal('nan', string(asin(1.1)))
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69 call assert_equal('nan', string(asin(1.0/0.0)))
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70 call assert_equal('nan', string(asin(0.0/0.0)))
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71 endfunc
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73 func Test_sinh()
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74 call assert_equal('0.0', string(sinh(0.0)))
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75 call assert_equal('0.521095', string(sinh(0.5)))
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76 call assert_equal('-1.026517', string(sinh(-0.9)))
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77 call assert_equal('inf', string(sinh(1.0/0.0)))
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78 call assert_equal('-inf', string(sinh(-1.0/0.0)))
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79 call assert_equal('nan', string(sinh(0.0/0.0)))
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80 endfunc
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82 func Test_cos()
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83 call assert_equal('1.0', string(cos(0.0)))
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84 call assert_equal('0.540302', string(cos(1.0)))
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85 call assert_equal('0.877583', string(cos(-0.5)))
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86 call assert_equal('nan', string(cos(0.0/0.0)))
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87 call assert_equal('nan', string(cos(1.0/0.0)))
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88 endfunc
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90 func Test_acos()
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91 call assert_equal('1.570796', string(acos(0.0)))
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92 call assert_equal('0.0', string(acos(1.0)))
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93 call assert_equal('3.141593', string(acos(-1.0)))
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94 call assert_equal('2.094395', string(acos(-0.5)))
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95 call assert_equal('nan', string(acos(1.1)))
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96 call assert_equal('nan', string(acos(1.0/0.0)))
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97 call assert_equal('nan', string(acos(0.0/0.0)))
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98 endfunc
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100 func Test_cosh()
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101 call assert_equal('1.0', string(cosh(0.0)))
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102 call assert_equal('1.127626', string(cosh(0.5)))
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103 call assert_equal('inf', string(cosh(1.0/0.0)))
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104 call assert_equal('inf', string(cosh(-1.0/0.0)))
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105 call assert_equal('nan', string(cosh(0.0/0.0)))
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106 endfunc
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108 func Test_tan()
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109 call assert_equal('0.0', string(tan(0.0)))
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110 call assert_equal('0.546302', string(tan(0.5)))
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111 call assert_equal('-0.546302', string(tan(-0.5)))
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112 call assert_equal('nan', string(tan(1.0/0.0)))
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113 call assert_equal('nan', string(cos(0.0/0.0)))
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114 call assert_equal('0.0', string(tan(1.0/(1.0/0.0))))
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115 call assert_equal('-0.0', string(tan(-1.0/(1.0/0.0))))
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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('0.0', string(atan(0.0)))
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120 call assert_equal('0.463648', string(atan(0.5)))
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121 call assert_equal('-0.785398', string(atan(-1.0)))
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122 call assert_equal('1.570796', string(atan(1.0/0.0)))
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123 call assert_equal('-1.570796', string(atan(-1.0/0.0)))
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124 call assert_equal('nan', string(atan(0.0/0.0)))
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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('-2.356194', string(atan2(-1, -1)))
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129 call assert_equal('2.356194', string(atan2(1, -1)))
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130 call assert_equal('0.0', string(atan2(1.0, 1.0/0.0)))
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131 call assert_equal('1.570796', string(atan2(1.0/0.0, 1.0)))
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132 call assert_equal('nan', string(atan2(0.0/0.0, 1.0)))
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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('0.0', string(tanh(0.0)))
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137 call assert_equal('0.462117', string(tanh(0.5)))
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138 call assert_equal('-0.761594', string(tanh(-1.0)))
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139 call assert_equal('1.0', string(tanh(1.0/0.0)))
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140 call assert_equal('-1.0', string(tanh(-1.0/0.0)))
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141 call assert_equal('nan', string(tanh(0.0/0.0)))
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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('0.13', string(fmod(12.33, 1.22)))
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146 call assert_equal('-0.13', string(fmod(-12.33, 1.22)))
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147 call assert_equal('nan', string(fmod(1.0/0.0, 1.0)))
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148 " On Windows we get "nan" instead of 1.0, accept both.
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149 let res = string(fmod(1.0, 1.0/0.0))
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150 if res != 'nan'
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151 call assert_equal('1.0', res)
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152 endif
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153 call assert_equal('nan', string(fmod(1.0, 0.0)))
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154 endfunc
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155
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156 func Test_pow()
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157 call assert_equal('1.0', string(pow(0.0, 0.0)))
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158 call assert_equal('8.0', string(pow(2.0, 3.0)))
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159 call assert_equal('nan', string(pow(2.0, 0.0/0.0)))
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160 call assert_equal('nan', string(pow(0.0/0.0, 3.0)))
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161 call assert_equal('nan', string(pow(0.0/0.0, 3.0)))
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162 call assert_equal('inf', string(pow(2.0, 1.0/0.0)))
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163 call assert_equal('inf', string(pow(1.0/0.0, 3.0)))
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164 endfunc
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165
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166 func Test_str2float()
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167 call assert_equal('1.0', string(str2float('1')))
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168 call assert_equal('1.0', string(str2float(' 1 ')))
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169 call assert_equal('1.0', string(str2float(' 1.0 ')))
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170 call assert_equal('1.23', string(str2float('1.23')))
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171 call assert_equal('1.23', string(str2float('1.23abc')))
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172 call assert_equal('1.0e40', string(str2float('1e40')))
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173
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174 call assert_equal('1.0', string(str2float('+1')))
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175 call assert_equal('1.0', string(str2float('+1')))
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176 call assert_equal('1.0', string(str2float(' +1 ')))
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177 call assert_equal('1.0', string(str2float(' + 1 ')))
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178
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179 call assert_equal('-1.0', string(str2float('-1')))
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180 call assert_equal('-1.0', string(str2float('-1')))
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181 call assert_equal('-1.0', string(str2float(' -1 ')))
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182 call assert_equal('-1.0', string(str2float(' - 1 ')))
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183
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184 call assert_equal('inf', string(str2float('1e1000')))
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185 call assert_equal('inf', string(str2float('inf')))
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186 call assert_equal('-inf', string(str2float('-inf')))
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187 call assert_equal('inf', string(str2float('Inf')))
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188 call assert_equal('nan', string(str2float('nan')))
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189 call assert_equal('nan', string(str2float('NaN')))
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190 endfunc
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191
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192 func Test_floor()
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193 call assert_equal('2.0', string(floor(2.0)))
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194 call assert_equal('2.0', string(floor(2.11)))
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195 call assert_equal('2.0', string(floor(2.99)))
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196 call assert_equal('-3.0', string(floor(-2.11)))
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197 call assert_equal('-3.0', string(floor(-2.99)))
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198 call assert_equal('nan', string(floor(0.0/0.0)))
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199 call assert_equal('inf', string(floor(1.0/0.0)))
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200 call assert_equal('-inf', string(floor(-1.0/0.0)))
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201 endfunc
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202
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203 func Test_ceil()
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204 call assert_equal('2.0', string(ceil(2.0)))
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205 call assert_equal('3.0', string(ceil(2.11)))
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206 call assert_equal('3.0', string(ceil(2.99)))
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207 call assert_equal('-2.0', string(ceil(-2.11)))
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208 call assert_equal('-2.0', string(ceil(-2.99)))
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209 call assert_equal('nan', string(ceil(0.0/0.0)))
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210 call assert_equal('inf', string(ceil(1.0/0.0)))
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211 call assert_equal('-inf', string(ceil(-1.0/0.0)))
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212 endfunc
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213
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214 func Test_round()
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215 call assert_equal('2.0', string(round(2.1)))
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216 call assert_equal('3.0', string(round(2.5)))
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217 call assert_equal('3.0', string(round(2.9)))
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218 call assert_equal('-2.0', string(round(-2.1)))
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219 call assert_equal('-3.0', string(round(-2.5)))
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220 call assert_equal('-3.0', string(round(-2.9)))
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221 call assert_equal('nan', string(round(0.0/0.0)))
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222 call assert_equal('inf', string(round(1.0/0.0)))
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223 call assert_equal('-inf', string(round(-1.0/0.0)))
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224 endfunc
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225
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226 func Test_trunc()
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227 call assert_equal('2.0', string(trunc(2.1)))
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228 call assert_equal('2.0', string(trunc(2.5)))
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229 call assert_equal('2.0', string(trunc(2.9)))
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230 call assert_equal('-2.0', string(trunc(-2.1)))
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231 call assert_equal('-2.0', string(trunc(-2.5)))
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232 call assert_equal('-2.0', string(trunc(-2.9)))
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233 call assert_equal('nan', string(trunc(0.0/0.0)))
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234 call assert_equal('inf', string(trunc(1.0/0.0)))
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235 call assert_equal('-inf', string(trunc(-1.0/0.0)))
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236 endfunc
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237
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238 func Test_isnan()
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239 call assert_equal(0, isnan(1.0))
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240 call assert_equal(1, isnan(0.0/0.0))
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241 call assert_equal(0, isnan(1.0/0.0))
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242 call assert_equal(0, isnan('a'))
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243 call assert_equal(0, isnan([]))
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244 endfunc