[已解决]此错误应如何修改？

哈蛤哈

error:  invalid types 'float' [4][3][3][float]' for array subscript

1. float propensity_granularity(float a, float b, float c)
   
2. {
   
3.     float table[4][3][3] =
   
4.     {
   
5.         {{0.0,0.0,0.0}, {0.0,0.0,0.1}, {0.1,0.1,0.2}},
   
6.         {{0.1,0.1,0.2}, {0.2,0.3,0.4}, {0.4,0.5,0.6}},
   
7.         {{0.4,0.5,0.6}, {0.5,0.6,0.7}, {0.8,0.9,1.0}},
   
8.         {{0.9,0.9,1.0}, {1.0,1.0,1.0}, {1.0,1.0,1.0}}
   
9.     };
   
10.         return table[a][b][c];
    
11. }

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最佳答案

月排行榜 / 总排行榜

shake_a_tree@16

2019-6-4 09:22:14

float propensity_granularity(int a, int b, int c)
{
        float table[4][3][3] =
        {
                {{0.0,0.0,0.0}, {0.0,0.0,0.1}, {0.1,0.1,0.2}},
                {{0.1,0.1,0.2}, {0.2,0.3,0.4}, {0.4,0.5,0.6}},
                {{0.4,0.5,0.6}, {0.5,0.6,0.7}, {0.8,0.9,1.0}},
                {{0.9,0.9,1.0}, {1.0,1.0,1.0}, {1.0,1.0,1.0}}
        };
        return table[a][b][c];
}

int main()
{
        float aa = propensity_granularity(2, 2, 1);
        printf("%f", aa);
}

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BngThea

下标索引不能是float类型，应该用unsigned int

哈蛤哈

BngThea 发表于 2019-6-4 08:51
下标索引不能是float类型，应该用unsigned int

把table443前边的float改成unsigned int还是报错啊。小白一个，求指教

VisionSo

哈蛤哈 发表于 2019-6-4 09:09
把table443前边的float改成unsigned int还是报错啊。小白一个，求指教

他说的是括号里的形参a,b,c

shake_a_tree@16

float propensity_granularity(int a, int b, int c)
{
        float table[4][3][3] =
        {
                {{0.0,0.0,0.0}, {0.0,0.0,0.1}, {0.1,0.1,0.2}},
                {{0.1,0.1,0.2}, {0.2,0.3,0.4}, {0.4,0.5,0.6}},
                {{0.4,0.5,0.6}, {0.5,0.6,0.7}, {0.8,0.9,1.0}},
                {{0.9,0.9,1.0}, {1.0,1.0,1.0}, {1.0,1.0,1.0}}
        };
        return table[a][b][c];
}

int main()
{
        float aa = propensity_granularity(2, 2, 1);
        printf("%f", aa);
}

哈蛤哈

VisionSo 发表于 2019-6-4 09:19
他说的是括号里的形参a,b,c

明白了