123 chars (+3 newlines)
A standard Shell sort, compressed.
d,i,j;float t;
void sort(float*v,int n){
for(d=1<<20;i=d/=2;)for(;i<n;v[j]=t)for(t=v[j=i++];j>=d&&v[j-d]>t;j-=d)v[j]=v[j-d];
}
Florian F
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