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authorsiddhu89902017-06-21 15:18:15 +0530
committersiddhu89902017-06-21 15:18:15 +0530
commit9abc909f1a02c7c0262e2d53b13504c7ee324fda (patch)
treeba4dfe442b9735204ede017eb0d20f179a5c4b4e /2.3-1/src/c/signalProcessing/modk/dmodka.c
parent34bffcd2d147db6733499af5b6f32996d847a733 (diff)
parent5efb98c6773576e39a33df5cfc89979c07031a6a (diff)
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Merged Ukasha's work, code generation for control loop changed
Diffstat (limited to '2.3-1/src/c/signalProcessing/modk/dmodka.c')
-rw-r--r--2.3-1/src/c/signalProcessing/modk/dmodka.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/2.3-1/src/c/signalProcessing/modk/dmodka.c b/2.3-1/src/c/signalProcessing/modk/dmodka.c
new file mode 100644
index 00000000..c0630ec0
--- /dev/null
+++ b/2.3-1/src/c/signalProcessing/modk/dmodka.c
@@ -0,0 +1,97 @@
+#include<stdio.h>
+#include<math.h>
+#include "modk.h"
+double max_calc(double* ptr,int sz)
+{
+ int i=0;
+ double mx;
+ if(ptr[0]<0)
+ {
+ ptr[0]=-1*ptr[0];
+ }
+ mx=(ptr[0]);
+ //printf("%lf\n",mx);
+ for(i=1;i<sz;i++)
+ {
+ if(ptr[i]<0)
+ {
+ ptr[i]=-1*ptr[i];
+ }
+ if(mx<(ptr[i]))
+ mx=(ptr[i]);
+ }
+ return mx;
+}
+void dmodka(double* inp,int size,double* oup)
+{
+ double ones[size],PI=M_PI;
+ double eps=pow(2,-52);
+ int i;
+ for(i=0;i<size;i++)
+ {
+ ones[i]=1;
+ }
+ double a[size],b[size],c[size],an[size],bn[size],cn[size],kans[size];
+
+ int j,kk,l,m;
+ for(j=0;j<size;j++)
+ {
+ a[j]=1;
+ }
+ for(kk=0;kk<size;kk++)
+ {
+ b[kk]=sqrt(ones[kk]-inp[kk]);
+ }
+ for(l=0;l<size;l++)
+ {
+ c[l]=sqrt(inp[l]);
+
+ }
+ int x=0;
+ //double maxi;
+ //maxi=max_calc(c,size);
+ //printf("%lf",maxi);
+
+ while(max_calc(c,size)>eps)
+ {
+ int q,w,r;
+ for(q=0;q<size;q++)
+ {
+ an[q]=0.5*(a[q]+b[q]);
+ }
+ for(w=0;w<size;w++)
+ {
+ bn[w]=sqrt(a[w]*b[w]);
+ }
+ for(r=0;r<size;r++)
+ {
+ cn[r]=0.5*(a[r]-b[r]);
+ }
+ int x,y,z;
+ for(x=0;x<size;x++)
+ {
+ a[x]=an[x];
+ }
+ for(y=0;y<size;y++)
+ {
+ b[y]=bn[y];
+ }
+ for(z=0;z<size;z++)
+ {
+ c[z]=cn[z];
+ }
+ }
+ int q,w;
+ for(q=0;q<size;q++)
+ {
+ oup[q]=PI*(ones[q]/(2*a[q]));
+ }
+
+}
+/*
+int main()
+{
+ double m[3]={0.1,0.2,0.3};
+ dka(m,3);
+}
+*/