Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 1 | " test float functions |
| 2 | |
Bram Moolenaar | b46fecd | 2019-06-15 17:58:09 +0200 | [diff] [blame] | 3 | source check.vim |
| 4 | CheckFeature float |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 5 | |
| 6 | func Test_abs() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 7 | call assert_equal('1.23', string(abs(1.23))) |
| 8 | call assert_equal('1.23', string(abs(-1.23))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 9 | eval -1.23->abs()->string()->assert_equal('1.23') |
| 10 | |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 11 | call assert_equal('0.0', string(abs(0.0))) |
| 12 | call assert_equal('0.0', string(abs(1.0/(1.0/0.0)))) |
| 13 | call assert_equal('0.0', string(abs(-1.0/(1.0/0.0)))) |
| 14 | call assert_equal('inf', string(abs(1.0/0.0))) |
| 15 | call assert_equal('inf', string(abs(-1.0/0.0))) |
| 16 | call assert_equal('nan', string(abs(0.0/0.0))) |
Bram Moolenaar | 17aca70 | 2019-05-16 22:24:55 +0200 | [diff] [blame] | 17 | call assert_equal('12', string(abs('12abc'))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 18 | call assert_equal('12', string(abs('-12abc'))) |
| 19 | call assert_fails("call abs([])", 'E745:') |
| 20 | call assert_fails("call abs({})", 'E728:') |
| 21 | call assert_fails("call abs(function('string'))", 'E703:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 22 | endfunc |
| 23 | |
| 24 | func Test_sqrt() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 25 | call assert_equal('0.0', string(sqrt(0.0))) |
| 26 | call assert_equal('1.414214', string(sqrt(2.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 27 | eval 2.0->sqrt()->string()->assert_equal('1.414214') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 28 | call assert_equal('inf', string(sqrt(1.0/0.0))) |
| 29 | call assert_equal('nan', string(sqrt(-1.0))) |
| 30 | call assert_equal('nan', string(sqrt(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 31 | call assert_fails('call sqrt("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 32 | endfunc |
| 33 | |
| 34 | func Test_log() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 35 | call assert_equal('0.0', string(log(1.0))) |
| 36 | call assert_equal('-0.693147', string(log(0.5))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 37 | eval 0.5->log()->string()->assert_equal('-0.693147') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 38 | call assert_equal('-inf', string(log(0.0))) |
| 39 | call assert_equal('nan', string(log(-1.0))) |
| 40 | call assert_equal('inf', string(log(1.0/0.0))) |
| 41 | call assert_equal('nan', string(log(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 42 | call assert_fails('call log("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 43 | endfunc |
| 44 | |
| 45 | func Test_log10() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 46 | call assert_equal('0.0', string(log10(1.0))) |
| 47 | call assert_equal('2.0', string(log10(100.0))) |
| 48 | call assert_equal('2.079181', string(log10(120.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 49 | eval 120.0->log10()->string()->assert_equal('2.079181') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 50 | call assert_equal('-inf', string(log10(0.0))) |
| 51 | call assert_equal('nan', string(log10(-1.0))) |
| 52 | call assert_equal('inf', string(log10(1.0/0.0))) |
| 53 | call assert_equal('nan', string(log10(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 54 | call assert_fails('call log10("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 55 | endfunc |
| 56 | |
| 57 | func Test_exp() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 58 | call assert_equal('1.0', string(exp(0.0))) |
| 59 | call assert_equal('7.389056', string(exp(2.0))) |
| 60 | call assert_equal('0.367879', string(exp(-1.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 61 | eval -1.0->exp()->string()->assert_equal('0.367879') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 62 | call assert_equal('inf', string(exp(1.0/0.0))) |
| 63 | call assert_equal('0.0', string(exp(-1.0/0.0))) |
| 64 | call assert_equal('nan', string(exp(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 65 | call assert_fails('call exp("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 66 | endfunc |
| 67 | |
| 68 | func Test_sin() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 69 | call assert_equal('0.0', string(sin(0.0))) |
| 70 | call assert_equal('0.841471', string(sin(1.0))) |
| 71 | call assert_equal('-0.479426', string(sin(-0.5))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 72 | eval -0.5->sin()->string()->assert_equal('-0.479426') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 73 | call assert_equal('nan', string(sin(0.0/0.0))) |
| 74 | call assert_equal('nan', string(sin(1.0/0.0))) |
| 75 | call assert_equal('0.0', string(sin(1.0/(1.0/0.0)))) |
| 76 | call assert_equal('-0.0', string(sin(-1.0/(1.0/0.0)))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 77 | call assert_fails('call sin("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 78 | endfunc |
| 79 | |
| 80 | func Test_asin() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 81 | call assert_equal('0.0', string(asin(0.0))) |
| 82 | call assert_equal('1.570796', string(asin(1.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 83 | eval 1.0->asin()->string()->assert_equal('1.570796') |
| 84 | |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 85 | call assert_equal('-0.523599', string(asin(-0.5))) |
| 86 | call assert_equal('nan', string(asin(1.1))) |
| 87 | call assert_equal('nan', string(asin(1.0/0.0))) |
| 88 | call assert_equal('nan', string(asin(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 89 | call assert_fails('call asin("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 90 | endfunc |
| 91 | |
| 92 | func Test_sinh() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 93 | call assert_equal('0.0', string(sinh(0.0))) |
| 94 | call assert_equal('0.521095', string(sinh(0.5))) |
| 95 | call assert_equal('-1.026517', string(sinh(-0.9))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 96 | eval -0.9->sinh()->string()->assert_equal('-1.026517') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 97 | call assert_equal('inf', string(sinh(1.0/0.0))) |
| 98 | call assert_equal('-inf', string(sinh(-1.0/0.0))) |
| 99 | call assert_equal('nan', string(sinh(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 100 | call assert_fails('call sinh("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 101 | endfunc |
| 102 | |
| 103 | func Test_cos() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 104 | call assert_equal('1.0', string(cos(0.0))) |
| 105 | call assert_equal('0.540302', string(cos(1.0))) |
| 106 | call assert_equal('0.877583', string(cos(-0.5))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 107 | eval -0.5->cos()->string()->assert_equal('0.877583') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 108 | call assert_equal('nan', string(cos(0.0/0.0))) |
| 109 | call assert_equal('nan', string(cos(1.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 110 | call assert_fails('call cos("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 111 | endfunc |
| 112 | |
| 113 | func Test_acos() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 114 | call assert_equal('1.570796', string(acos(0.0))) |
| 115 | call assert_equal('0.0', string(acos(1.0))) |
| 116 | call assert_equal('3.141593', string(acos(-1.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 117 | eval -1.0->acos()->string()->assert_equal('3.141593') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 118 | call assert_equal('2.094395', string(acos(-0.5))) |
| 119 | call assert_equal('nan', string(acos(1.1))) |
| 120 | call assert_equal('nan', string(acos(1.0/0.0))) |
| 121 | call assert_equal('nan', string(acos(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 122 | call assert_fails('call acos("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 123 | endfunc |
| 124 | |
| 125 | func Test_cosh() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 126 | call assert_equal('1.0', string(cosh(0.0))) |
| 127 | call assert_equal('1.127626', string(cosh(0.5))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 128 | eval 0.5->cosh()->string()->assert_equal('1.127626') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 129 | call assert_equal('inf', string(cosh(1.0/0.0))) |
| 130 | call assert_equal('inf', string(cosh(-1.0/0.0))) |
| 131 | call assert_equal('nan', string(cosh(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 132 | call assert_fails('call cosh("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 133 | endfunc |
| 134 | |
| 135 | func Test_tan() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 136 | call assert_equal('0.0', string(tan(0.0))) |
| 137 | call assert_equal('0.546302', string(tan(0.5))) |
| 138 | call assert_equal('-0.546302', string(tan(-0.5))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 139 | eval -0.5->tan()->string()->assert_equal('-0.546302') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 140 | call assert_equal('nan', string(tan(1.0/0.0))) |
| 141 | call assert_equal('nan', string(cos(0.0/0.0))) |
| 142 | call assert_equal('0.0', string(tan(1.0/(1.0/0.0)))) |
| 143 | call assert_equal('-0.0', string(tan(-1.0/(1.0/0.0)))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 144 | call assert_fails('call tan("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 145 | endfunc |
| 146 | |
| 147 | func Test_atan() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 148 | call assert_equal('0.0', string(atan(0.0))) |
| 149 | call assert_equal('0.463648', string(atan(0.5))) |
| 150 | call assert_equal('-0.785398', string(atan(-1.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 151 | eval -1.0->atan()->string()->assert_equal('-0.785398') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 152 | call assert_equal('1.570796', string(atan(1.0/0.0))) |
| 153 | call assert_equal('-1.570796', string(atan(-1.0/0.0))) |
| 154 | call assert_equal('nan', string(atan(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 155 | call assert_fails('call atan("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 156 | endfunc |
| 157 | |
| 158 | func Test_atan2() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 159 | call assert_equal('-2.356194', string(atan2(-1, -1))) |
| 160 | call assert_equal('2.356194', string(atan2(1, -1))) |
| 161 | call assert_equal('0.0', string(atan2(1.0, 1.0/0.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 162 | eval 1.0->atan2(1.0/0.0)->string()->assert_equal('0.0') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 163 | call assert_equal('1.570796', string(atan2(1.0/0.0, 1.0))) |
| 164 | call assert_equal('nan', string(atan2(0.0/0.0, 1.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 165 | call assert_fails('call atan2("", -1)', 'E808:') |
| 166 | call assert_fails('call atan2(-1, "")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 167 | endfunc |
| 168 | |
| 169 | func Test_tanh() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 170 | call assert_equal('0.0', string(tanh(0.0))) |
| 171 | call assert_equal('0.462117', string(tanh(0.5))) |
| 172 | call assert_equal('-0.761594', string(tanh(-1.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 173 | eval -1.0->tanh()->string()->assert_equal('-0.761594') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 174 | call assert_equal('1.0', string(tanh(1.0/0.0))) |
| 175 | call assert_equal('-1.0', string(tanh(-1.0/0.0))) |
| 176 | call assert_equal('nan', string(tanh(0.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 177 | call assert_fails('call tanh("")', 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 178 | endfunc |
| 179 | |
| 180 | func Test_fmod() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 181 | call assert_equal('0.13', string(fmod(12.33, 1.22))) |
| 182 | call assert_equal('-0.13', string(fmod(-12.33, 1.22))) |
| 183 | call assert_equal('nan', string(fmod(1.0/0.0, 1.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 184 | eval (1.0/0.0)->fmod(1.0)->string()->assert_equal('nan') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 185 | " On Windows we get "nan" instead of 1.0, accept both. |
| 186 | let res = string(fmod(1.0, 1.0/0.0)) |
| 187 | if res != 'nan' |
| 188 | call assert_equal('1.0', res) |
| 189 | endif |
| 190 | call assert_equal('nan', string(fmod(1.0, 0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 191 | call assert_fails("call fmod('', 1.22)", 'E808:') |
| 192 | call assert_fails("call fmod(12.33, '')", 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 193 | endfunc |
| 194 | |
| 195 | func Test_pow() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 196 | call assert_equal('1.0', string(pow(0.0, 0.0))) |
| 197 | call assert_equal('8.0', string(pow(2.0, 3.0))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 198 | eval 2.0->pow(3.0)->string()->assert_equal('8.0') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 199 | call assert_equal('nan', string(pow(2.0, 0.0/0.0))) |
| 200 | call assert_equal('nan', string(pow(0.0/0.0, 3.0))) |
| 201 | call assert_equal('nan', string(pow(0.0/0.0, 3.0))) |
| 202 | call assert_equal('inf', string(pow(2.0, 1.0/0.0))) |
| 203 | call assert_equal('inf', string(pow(1.0/0.0, 3.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 204 | call assert_fails("call pow('', 2.0)", 'E808:') |
| 205 | call assert_fails("call pow(2.0, '')", 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 206 | endfunc |
| 207 | |
| 208 | func Test_str2float() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 209 | call assert_equal('1.0', string(str2float('1'))) |
Bram Moolenaar | 08243d2 | 2017-01-10 16:12:29 +0100 | [diff] [blame] | 210 | call assert_equal('1.0', string(str2float(' 1 '))) |
| 211 | call assert_equal('1.0', string(str2float(' 1.0 '))) |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 212 | call assert_equal('1.23', string(str2float('1.23'))) |
| 213 | call assert_equal('1.23', string(str2float('1.23abc'))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 214 | eval '1.23abc'->str2float()->string()->assert_equal('1.23') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 215 | call assert_equal('1.0e40', string(str2float('1e40'))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 216 | call assert_equal('-1.23', string(str2float('-1.23'))) |
| 217 | call assert_equal('1.23', string(str2float(' + 1.23 '))) |
Bram Moolenaar | 08243d2 | 2017-01-10 16:12:29 +0100 | [diff] [blame] | 218 | |
| 219 | call assert_equal('1.0', string(str2float('+1'))) |
| 220 | call assert_equal('1.0', string(str2float('+1'))) |
| 221 | call assert_equal('1.0', string(str2float(' +1 '))) |
| 222 | call assert_equal('1.0', string(str2float(' + 1 '))) |
| 223 | |
| 224 | call assert_equal('-1.0', string(str2float('-1'))) |
| 225 | call assert_equal('-1.0', string(str2float('-1'))) |
| 226 | call assert_equal('-1.0', string(str2float(' -1 '))) |
| 227 | call assert_equal('-1.0', string(str2float(' - 1 '))) |
| 228 | |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 229 | call assert_equal('0.0', string(str2float('+0.0'))) |
| 230 | call assert_equal('-0.0', string(str2float('-0.0'))) |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 231 | call assert_equal('inf', string(str2float('1e1000'))) |
| 232 | call assert_equal('inf', string(str2float('inf'))) |
| 233 | call assert_equal('-inf', string(str2float('-inf'))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 234 | call assert_equal('inf', string(str2float('+inf'))) |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 235 | call assert_equal('inf', string(str2float('Inf'))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 236 | call assert_equal('inf', string(str2float(' +inf '))) |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 237 | call assert_equal('nan', string(str2float('nan'))) |
| 238 | call assert_equal('nan', string(str2float('NaN'))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 239 | call assert_equal('nan', string(str2float(' nan '))) |
| 240 | |
| 241 | call assert_fails("call str2float(1.2)", 'E806:') |
| 242 | call assert_fails("call str2float([])", 'E730:') |
| 243 | call assert_fails("call str2float({})", 'E731:') |
| 244 | call assert_fails("call str2float(function('string'))", 'E729:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 245 | endfunc |
| 246 | |
Bram Moolenaar | 863e80b | 2017-06-04 20:30:00 +0200 | [diff] [blame] | 247 | func Test_float2nr() |
| 248 | call assert_equal(1, float2nr(1.234)) |
| 249 | call assert_equal(123, float2nr(1.234e2)) |
| 250 | call assert_equal(12, float2nr(123.4e-1)) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 251 | eval 123.4e-1->float2nr()->assert_equal(12) |
Bram Moolenaar | 863e80b | 2017-06-04 20:30:00 +0200 | [diff] [blame] | 252 | let max_number = 1/0 |
| 253 | let min_number = -max_number |
| 254 | call assert_equal(max_number/2+1, float2nr(pow(2, 62))) |
| 255 | call assert_equal(max_number, float2nr(pow(2, 63))) |
| 256 | call assert_equal(max_number, float2nr(pow(2, 64))) |
| 257 | call assert_equal(min_number/2-1, float2nr(-pow(2, 62))) |
| 258 | call assert_equal(min_number, float2nr(-pow(2, 63))) |
| 259 | call assert_equal(min_number, float2nr(-pow(2, 64))) |
| 260 | endfunc |
| 261 | |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 262 | func Test_floor() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 263 | call assert_equal('2.0', string(floor(2.0))) |
| 264 | call assert_equal('2.0', string(floor(2.11))) |
| 265 | call assert_equal('2.0', string(floor(2.99))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 266 | eval 2.99->floor()->string()->assert_equal('2.0') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 267 | call assert_equal('-3.0', string(floor(-2.11))) |
| 268 | call assert_equal('-3.0', string(floor(-2.99))) |
| 269 | call assert_equal('nan', string(floor(0.0/0.0))) |
| 270 | call assert_equal('inf', string(floor(1.0/0.0))) |
| 271 | call assert_equal('-inf', string(floor(-1.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 272 | call assert_fails("call floor('')", 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 273 | endfunc |
| 274 | |
| 275 | func Test_ceil() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 276 | call assert_equal('2.0', string(ceil(2.0))) |
| 277 | call assert_equal('3.0', string(ceil(2.11))) |
| 278 | call assert_equal('3.0', string(ceil(2.99))) |
| 279 | call assert_equal('-2.0', string(ceil(-2.11))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 280 | eval -2.11->ceil()->string()->assert_equal('-2.0') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 281 | call assert_equal('-2.0', string(ceil(-2.99))) |
| 282 | call assert_equal('nan', string(ceil(0.0/0.0))) |
| 283 | call assert_equal('inf', string(ceil(1.0/0.0))) |
| 284 | call assert_equal('-inf', string(ceil(-1.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 285 | call assert_fails("call ceil('')", 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 286 | endfunc |
| 287 | |
| 288 | func Test_round() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 289 | call assert_equal('2.0', string(round(2.1))) |
| 290 | call assert_equal('3.0', string(round(2.5))) |
| 291 | call assert_equal('3.0', string(round(2.9))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 292 | eval 2.9->round()->string()->assert_equal('3.0') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 293 | call assert_equal('-2.0', string(round(-2.1))) |
| 294 | call assert_equal('-3.0', string(round(-2.5))) |
| 295 | call assert_equal('-3.0', string(round(-2.9))) |
| 296 | call assert_equal('nan', string(round(0.0/0.0))) |
| 297 | call assert_equal('inf', string(round(1.0/0.0))) |
| 298 | call assert_equal('-inf', string(round(-1.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 299 | call assert_fails("call round('')", 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 300 | endfunc |
| 301 | |
| 302 | func Test_trunc() |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 303 | call assert_equal('2.0', string(trunc(2.1))) |
| 304 | call assert_equal('2.0', string(trunc(2.5))) |
| 305 | call assert_equal('2.0', string(trunc(2.9))) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 306 | eval 2.9->trunc()->string()->assert_equal('2.0') |
Bram Moolenaar | 6247361 | 2017-01-08 19:25:40 +0100 | [diff] [blame] | 307 | call assert_equal('-2.0', string(trunc(-2.1))) |
| 308 | call assert_equal('-2.0', string(trunc(-2.5))) |
| 309 | call assert_equal('-2.0', string(trunc(-2.9))) |
| 310 | call assert_equal('nan', string(trunc(0.0/0.0))) |
| 311 | call assert_equal('inf', string(trunc(1.0/0.0))) |
| 312 | call assert_equal('-inf', string(trunc(-1.0/0.0))) |
Bram Moolenaar | 8720041 | 2017-01-10 16:31:20 +0100 | [diff] [blame] | 313 | call assert_fails("call trunc('')", 'E808:') |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 314 | endfunc |
| 315 | |
Bram Moolenaar | fda1bff | 2019-04-04 13:44:37 +0200 | [diff] [blame] | 316 | func Test_isinf() |
| 317 | call assert_equal(1, isinf(1.0/0.0)) |
| 318 | call assert_equal(-1, isinf(-1.0/0.0)) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 319 | eval (-1.0/0.0)->isinf()->assert_equal(-1) |
Bram Moolenaar | fda1bff | 2019-04-04 13:44:37 +0200 | [diff] [blame] | 320 | call assert_false(isinf(1.0)) |
| 321 | call assert_false(isinf(0.0/0.0)) |
| 322 | call assert_false(isinf('a')) |
| 323 | call assert_false(isinf([])) |
| 324 | call assert_false(isinf({})) |
| 325 | endfunc |
| 326 | |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 327 | func Test_isnan() |
Bram Moolenaar | fda1bff | 2019-04-04 13:44:37 +0200 | [diff] [blame] | 328 | call assert_true(isnan(0.0/0.0)) |
| 329 | call assert_false(isnan(1.0)) |
| 330 | call assert_false(isnan(1.0/0.0)) |
Bram Moolenaar | 93cf85f | 2019-08-17 21:36:28 +0200 | [diff] [blame] | 331 | eval (1.0/0.0)->isnan()->assert_false() |
Bram Moolenaar | fda1bff | 2019-04-04 13:44:37 +0200 | [diff] [blame] | 332 | call assert_false(isnan(-1.0/0.0)) |
| 333 | call assert_false(isnan('a')) |
| 334 | call assert_false(isnan([])) |
| 335 | call assert_false(isnan({})) |
Bram Moolenaar | 453b576 | 2017-01-08 17:59:14 +0100 | [diff] [blame] | 336 | endfunc |
Bram Moolenaar | 863e80b | 2017-06-04 20:30:00 +0200 | [diff] [blame] | 337 | |
| 338 | " This was converted from test65 |
| 339 | func Test_float_misc() |
| 340 | call assert_equal('123.456000', printf('%f', 123.456)) |
| 341 | call assert_equal('1.234560e+02', printf('%e', 123.456)) |
| 342 | call assert_equal('123.456', printf('%g', 123.456)) |
| 343 | " += |
| 344 | let v = 1.234 |
| 345 | let v += 6.543 |
| 346 | call assert_equal('7.777', printf('%g', v)) |
| 347 | let v = 1.234 |
| 348 | let v += 5 |
| 349 | call assert_equal('6.234', printf('%g', v)) |
| 350 | let v = 5 |
| 351 | let v += 3.333 |
| 352 | call assert_equal('8.333', string(v)) |
| 353 | " == |
| 354 | let v = 1.234 |
| 355 | call assert_true(v == 1.234) |
| 356 | call assert_false(v == 1.2341) |
| 357 | " add-subtract |
| 358 | call assert_equal('5.234', printf('%g', 4 + 1.234)) |
| 359 | call assert_equal('-6.766', printf('%g', 1.234 - 8)) |
| 360 | " mult-div |
| 361 | call assert_equal('4.936', printf('%g', 4 * 1.234)) |
| 362 | call assert_equal('0.003241', printf('%g', 4.0 / 1234)) |
| 363 | " dict |
| 364 | call assert_equal("{'x': 1.234, 'y': -2.0e20}", string({'x': 1.234, 'y': -2.0e20})) |
| 365 | " list |
| 366 | call assert_equal('[-123.4, 2.0e-20]', string([-123.4, 2.0e-20])) |
| 367 | endfunc |
| 368 | |
| 369 | " vim: shiftwidth=2 sts=2 expandtab |