| 4794 | } |
| 4795 | |
| 4796 | void ecall_math(float* input,float num,int N,float* output){ |
| 4797 | float *x = (float*)malloc(sizeof(float)*N); |
| 4798 | memset(x, 0, sizeof(float)*N); |
| 4799 | for(int j=0;j<N;j++){ |
| 4800 | x[j] = 0.0f; |
| 4801 | float sum = input[insert*N+j]; |
| 4802 | float c = 0.0f; |
| 4803 | for(int i=0;i<Nt;i++){ |
| 4804 | float y = input[indexs[i]*N+j] - c; |
| 4805 | float t = sum + y; |
| 4806 | c = (t - sum) - y; |
| 4807 | sum = t; |
| 4808 | } |
| 4809 | x[j] = sum; |
| 4810 | } |
| 4811 | for (int j = 0; j < N; j++) { |
| 4812 | x[j]= x[j]+num; |
| 4813 | } |
| 4814 | float mean = 0.0f, std, mean_sqr = 0.0f; |
| 4815 | float c_mean = 0.0f, c_mean_sqr = 0.0f; |
| 4816 | |
| 4817 | for (int j = 0; j < N; j++) { |
| 4818 | float y = (x[j] /static_cast<float>(N)) - c_mean; |
| 4819 | float t = mean + y; |
| 4820 | c_mean = (t - mean) - y; |
| 4821 | mean = t; |
| 4822 | |
| 4823 | float y2 = (x[j]*x[j]/static_cast<float>(N)) - c_mean_sqr; |
| 4824 | float t2 = mean_sqr + y2; |
| 4825 | c_mean_sqr = (t2 - mean_sqr) - y2; |
| 4826 | mean_sqr = t2; |
| 4827 | } |
| 4828 | std = sqrtf(mean_sqr - mean * mean)/static_cast<float>(Nt); |
| 4829 | mean = mean/static_cast<float>(Nt); |
| 4830 | for(int i=0;i<N*(Ne-1);i++){ |
| 4831 | output[i] =(x[i%N] - gaussrand(mean, std))/static_cast<float>(Nt+1); |
| 4832 | } |
| 4833 | for(int j=N*(Ne-1);j<N*Ne;j++){ |
| 4834 | output[j] = 0.0f; |
| 4835 | float sum = 0.0f; |
| 4836 | float c = 0.0f; |
| 4837 | for(int i=0;i<Nt;i++){ |
| 4838 | float y = -1.0f * output[indexs[i]*N+(j-N*(Ne-1))] - c; |
| 4839 | float t = sum + y; |
| 4840 | c = (t - sum) - y; |
| 4841 | sum = t; |
| 4842 | } |
| 4843 | output[j] =x[j-N*(Ne-1)] + sum; |
| 4844 | } |
| 4845 | free(x); |
| 4846 | return; |
| 4847 | } |
| 4848 | |
| 4849 | |
| 4850 | void ecall_matadd(float* input1,float* input2,int N,int C,float* output){ |