search for: lu1

Dear R People: I'm working on a project that will pass a matrix from an R function to a C subroutine. I tried to write the following: #include<R.h> #include<Rinternals.h> void lu1(int *n, float *a, float *b, float *ab) { int i,k,j,p,na=*n+10; float sum, l[200][200],u[200][200]z[200]; for(i=0;i<na;i++) { for(j=0;j<na;j++) { l[i,j]=0.0; u[i,j]=0.0; } z[i] =0.0; } //********** LU decompositio*n *****// for(k=1;k<=*n;k++)...

...-27 47 12 2 -86.58333 66.25000 0 16 119 -345 42 3 3 -62.58333 -17.91667 0 68 334 152 144 28 4 -68.91667 -31.25000 0 54 235 -45 25 7 5 55.58333 48.41667 0 23 319 -172 23 14 6 66.25000 37.75000 0 34 363 -18 49 0 and this one : X Y LU1 LU2 LU3 LU4 LU5 LU6 LU7 LU8 LU9 LU10 LU11 LU12 LU13 LU14 LU15 LU16 LU17 LU18 1 -36.5 84 0 0 0 0 0 0 0 0 0 0 0 0 0 0.000000 0 0 0 0 2 -36.0 84 0 0 0 0 0 0 0 0 0 0 0 0 0 0.000000 0 0 0 0 3 -35.5 84 0 0...

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...on this small example that jumps out of a __finally block, but the intention was to reject the code and avoid implementing the functionality. Clang does, in fact, emit a warning: $ clang -c t.cpp t.cpp:7:7: warning: jump out of __finally block has undefined behavior [-Wjump-seh-finally] goto lu1; ^ Local unwind, in my view, is the user saying, "I wrote __finally, but actually I decided I wanted to catch the exception, so let's transfer to normal control flow now." It seems to me that the user already has a way to express this: __except. I know the mapping isn't triv...

...on this small example that jumps out of a __finally block, but the intention was to reject the code and avoid implementing the functionality. Clang does, in fact, emit a warning: $ clang -c t.cpp t.cpp:7:7: warning: jump out of __finally block has undefined behavior [-Wjump-seh-finally] goto lu1; ^ Local unwind, in my view, is the user saying, "I wrote __finally, but actually I decided I wanted to catch the exception, so let's transfer to normal control flow now." It seems to me that the user already has a way to express this: __except. I know the mapping isn't triv...

Hi, all, The intend of this thread is to complete the support for Windows SEH. Currently there are two major missing features: Jumping out of a _finally and Hardware exception handling. The document below is my proposed design and implementation to fully support SEH on LLVM. I have completely implemented this design on a branch in repo:

...on this small example that jumps out of a __finally block, but the intention was to reject the code and avoid implementing the functionality. Clang does, in fact, emit a warning: $ clang -c t.cpp t.cpp:7:7: warning: jump out of __finally block has undefined behavior [-Wjump-seh-finally] goto lu1; ^ Local unwind, in my view, is the user saying, "I wrote __finally, but actually I decided I wanted to catch the exception, so let's transfer to normal control flow now." It seems to me that the user already has a way to express this: __except. I know the mapping isn't triv...

...on this small example that jumps out of a __finally block, but the intention was to reject the code and avoid implementing the functionality. Clang does, in fact, emit a warning: $ clang -c t.cpp t.cpp:7:7: warning: jump out of __finally block has undefined behavior [-Wjump-seh-finally] goto lu1; ^ Local unwind, in my view, is the user saying, "I wrote __finally, but actually I decided I wanted to catch the exception, so let's transfer to normal control flow now." It seems to me that the user already has a way to express this: __except. I know the mapping isn't triv...