diff options
Diffstat (limited to 'ccc')
-rw-r--r-- | ccc/Makefile | 12 | ||||
-rw-r--r-- | ccc/animal.cc | 37 | ||||
-rw-r--r-- | ccc/cast.cc | 27 | ||||
-rw-r--r-- | ccc/cat_char.cc | 16 | ||||
-rw-r--r-- | ccc/class.cc | 31 | ||||
-rw-r--r-- | ccc/class_member.cc | 33 | ||||
-rw-r--r-- | ccc/compression_test.cc | 45 | ||||
-rw-r--r-- | ccc/filelib.c | 87 | ||||
-rw-r--r-- | ccc/filelib.h | 25 | ||||
-rw-r--r-- | ccc/float_int.cc | 26 | ||||
-rw-r--r-- | ccc/gz.c | 16 | ||||
-rw-r--r-- | ccc/ooc.c | 78 | ||||
-rw-r--r-- | ccc/ooc.h | 6 | ||||
-rw-r--r-- | ccc/precedence.cc | 16 | ||||
-rw-r--r-- | ccc/sort.cc | 47 | ||||
-rw-r--r-- | ccc/split.cc | 55 | ||||
-rw-r--r-- | ccc/stringstream.cc | 26 | ||||
-rw-r--r-- | ccc/stringutil.c | 22 | ||||
-rw-r--r-- | ccc/stringutil.h | 13 | ||||
-rw-r--r-- | ccc/stringutil_test.c | 53 | ||||
-rw-r--r-- | ccc/substr.cc | 23 | ||||
-rw-r--r-- | ccc/to_hex.cc | 14 | ||||
-rw-r--r-- | ccc/vector_addition.c | 29 | ||||
-rw-r--r-- | ccc/vector_addition.cu | 61 | ||||
-rw-r--r-- | ccc/vector_addition1.cu | 48 |
25 files changed, 0 insertions, 846 deletions
diff --git a/ccc/Makefile b/ccc/Makefile deleted file mode 100644 index 662c75e..0000000 --- a/ccc/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -compression_test: compression_test.cc - g++ compression_test.cc -lboost_filesystem -lboost_iostreams -o compression_test - -vector_addition: vector_addition.c - gcc -Os vector_addition.c -o vector_addition - -vector_addition_cuda: vector_addition.cu - nvcc vector_addition.cu -o vector_addition_cuda - -vector_addition_cuda1: vector_addition1.cu - nvcc vector_addition1.cu -o vector_addition_cuda1 - diff --git a/ccc/animal.cc b/ccc/animal.cc deleted file mode 100644 index 3bad1b1..0000000 --- a/ccc/animal.cc +++ /dev/null @@ -1,37 +0,0 @@ -#include <iostream> - -using namespace std; - - -class Animal -{ - public: - Animal() { // Konstruktor - cout << "Der Konstruktor wird aufgerufen." << endl; - m_alive = true; - } - - ~Animal() {cout << "Der Destruktor wird aufgerufen." << endl;} - - bool isAlive() { // Methode - return m_alive; - } - - void kill() { // Methode - m_alive=false; - } - - private: - bool m_alive; // Member-Variable -}; - - -int main(void) -{ - int i; - bool alive; - - Animal a; // Instanz von Animal - Animal b; // noch eine ^ -} - diff --git a/ccc/cast.cc b/ccc/cast.cc deleted file mode 100644 index 2e84a64..0000000 --- a/ccc/cast.cc +++ /dev/null @@ -1,27 +0,0 @@ -#include <iostream> - -using namespace std; - - -struct A { - virtual void p() { cout << "A" << endl; } - void q() { cout << "q" << endl; } -}; - -struct Ba : public A { - void p() { cout << "Ba" << endl; } -}; - -struct Bb : public A { - void p() { cout << "Bb" << endl; } -}; - -int main(void) -{ - A* x = new A; - x = dynamic_cast<Ba*>(new Ba); - cout << "-" << endl; - x->q(); - x->p(); -} - diff --git a/ccc/cat_char.cc b/ccc/cat_char.cc deleted file mode 100644 index 3daf564..0000000 --- a/ccc/cat_char.cc +++ /dev/null @@ -1,16 +0,0 @@ -#include <iostream> -#include <string.h> - -using namespace std; - - -int main(void) -{ - char c[] = "c"; - char x[1024]; - string s("s"); - strcpy(x, s.c_str()); - strcat(x, c); - cout << x << endl; -} - diff --git a/ccc/class.cc b/ccc/class.cc deleted file mode 100644 index b493b51..0000000 --- a/ccc/class.cc +++ /dev/null @@ -1,31 +0,0 @@ -#include <iostream> - -using namespace std; - - -class A { - public: - A(int a):_a(a) {} - int geta() { - return _a; - } - static int _b; - private: - int _a; -}; - -int A::_b = 0; - -int main(void){ - A a(2); - A *b = new A(2); - cout << b->geta() << endl; - cout << b->_b << endl; - cout << a._b << endl; - A::_b = 42; - cout << b->geta() << endl; - cout << b->_b << endl; - cout << a._b << endl; - return 0; -} - diff --git a/ccc/class_member.cc b/ccc/class_member.cc deleted file mode 100644 index f78ca64..0000000 --- a/ccc/class_member.cc +++ /dev/null @@ -1,33 +0,0 @@ -#include <iostream> - -using namespace std; - - -struct A -{ -}; - -struct B : public A -{ - -}; - -struct C : public A -{ - -}; - -struct D -{ - A* a; -}; - -int main(void) -{ - B b; - D d; - A a; - - d.a = &b; -} - diff --git a/ccc/compression_test.cc b/ccc/compression_test.cc deleted file mode 100644 index 21bfafc..0000000 --- a/ccc/compression_test.cc +++ /dev/null @@ -1,45 +0,0 @@ -#include <iostream> -#include <fstream> -#include <boost/iostreams/device/file.hpp> -#include <boost/iostreams/filter/zlib.hpp> -#include <boost/iostreams/filter/bzip2.hpp> -#include <boost/iostreams/filter/gzip.hpp> -#include <boost/iostreams/filtering_stream.hpp> - -using namespace boost::iostreams; -using namespace std; - - -int main(void) -{ - //ofstream raw("out-raw"); - filtering_ostream out_z; - out_z.push(gzip_compressor()); - //out_gz.push(gzip_compressor()); - out_z.push(file_sink("out-z", std::ios::binary)); - //out_gz.push(file_sink("out-gz", std::ios::binary)); - for (size_t i = 0; i < 10; i++) { - out_z << "line #" << i << endl; - //out_gz << "line #" << i << endl; - //out_bz << "line #" << i << endl; - //raw << "line #" << i << endl; - } - // flush(out); - close(out_z); - //close(out_gz); - //close(out_bz); - //raw.close(); - - for (size_t i = 0; i < 5; i++) { - ifstream file("out-z", ios_base::in | ios_base::binary); - filtering_istream in; - in.push(gzip_decompressor()); - in.push(file); - string s; - while (getline(in, s)) { - cout << s << endl; - } - file.close(); - } -} - diff --git a/ccc/filelib.c b/ccc/filelib.c deleted file mode 100644 index 57a27c3..0000000 --- a/ccc/filelib.c +++ /dev/null @@ -1,87 +0,0 @@ -#include "filelib.h" - - -typedef struct -{ - hFile b_; - FILE* fp; -} hFile_; - -typedef struct -{ - hFile b_; - gzFile* fp; -} hgzFile; - -gzmode(const char* mode) -{ - // TODO - return true; -} - -hgzFile* -gzmakef(char* fname, const char* mode) -{ - hgzFile* hgz = malloc(sizeof(hgzFile)); - hgz->b_.name = fname; - hgz->b_.gz = true; - gzFile* fp = malloc(sizeof(gzFile)); - *fp = gzopen(fname, mode); - hgz->fp = fp; - return hgz; -} - -hFile* -makef(char* fname, const char* mode) -{ - if (endswith(fname, GZIP_EXT)) - return gzmakef(fname, mode); - hFile_* f = malloc(sizeof(hFile_)); - if (!f) return NULL; - f->b_.name = fname; - f->b_.gz = false; - if (!strcmp(fname, "-")) { - if (!strcmp(mode, "r") && !strcmp(mode, "r+")) f->fp = stdin; - else f->fp = stdout; - } else { - f->fp = fopen(fname, mode); - } - return f; -} - -bool -gzwriteln(const char* s, hFile* f) -{ - unsigned len = strlen(s); - gzwrite(*((hgzFile*)f)->fp, s, len); - gzwrite(*((hgzFile*)f)->fp, "\n", 1); - return gzflush(*((hgzFile*)f)->fp, Z_FINISH) == Z_OK; -} - -bool -writeln(const char* s, hFile* f) -{ - if (f->gz) - return gzwriteln(s, f); - return fputs(s, ((hFile_*)f)->fp)&&fputs("\n", ((hFile_*)f)->fp); -} - -bool -gzclosef(hFile* f) -{ - bool ret = gzclose(*((hgzFile*)f)->fp); - free(((hgzFile*)f)->fp); - free(f); - return ret; -} - -bool -closef(hFile* f) -{ - if (f->gz) - return gzclosef(f); - bool ret = fclose(((hFile_*)f)->fp); - free(f); - return ret; -} - diff --git a/ccc/filelib.h b/ccc/filelib.h deleted file mode 100644 index 587cddf..0000000 --- a/ccc/filelib.h +++ /dev/null @@ -1,25 +0,0 @@ -#ifndef FILELIB_H -#define FILELIB_H - -#include <stdlib.h> -#include <stdio.h> -#include <stdbool.h> -#include <zlib.h> -#include <assert.h> -#include "util.h" - -#define GZIP_EXT ".gz" - - -typedef struct -{ - char* name; // relative - bool gz; -} hFile; - -hFile* makef(char* fname, const char* mode); -bool writeln(const char* s, hFile* f); - - -#endif - diff --git a/ccc/float_int.cc b/ccc/float_int.cc deleted file mode 100644 index 9d0ece4..0000000 --- a/ccc/float_int.cc +++ /dev/null @@ -1,26 +0,0 @@ -#include <iostream> - -using namespace std; - - -int main(void) -{ - int a = 1; - int b = 2; - double q = (double)a/b; - cout << q << endl; - - cout << 1 - (float)a/b << endl; - - float x = 0.1; - unsigned y = 105; - unsigned z = x*y; - cout << z << endl; - - float u = -1; - if (u) cout << "XXXXXX" << endl; - - float j = 0.0; - if (j) cout << "j" << endl; -} - diff --git a/ccc/gz.c b/ccc/gz.c deleted file mode 100644 index a0dcd90..0000000 --- a/ccc/gz.c +++ /dev/null @@ -1,16 +0,0 @@ -#include <zlib.h> -#include <string.h> - -int -main(void) -{ - gzFile gz = gzopen("asdf.gz", "wb"); - int len = 0; - gzwrite(gz, "asdf\n", len); - char *s = "asdf\n"; - gzwrite(gz, "asdf\n", strlen(s)); - gzclose(gz); - - return 0; -} - diff --git a/ccc/ooc.c b/ccc/ooc.c deleted file mode 100644 index aa20488..0000000 --- a/ccc/ooc.c +++ /dev/null @@ -1,78 +0,0 @@ -#include "ooc.h" -#include "stdio.h" -#include "string.h" - - -struct van { - struct vehicle base; - int cubic_size; -}; - -struct bus { - struct vehicle base; - int seats; -}; - -struct van* -make_van() -{ - struct van* v = malloc(sizeof(struct van)); - v->base.type = "van"; - v->cubic_size = 12; - return v; -} - -struct bus* -make_bus() -{ - struct bus* v = malloc(sizeof(struct bus)); - v->base.type = "bus"; - v->seats=112; - return v; -} - -struct vehicle* -make_vehicle(const char* type) -{ - if(!strcmp(type, "van")) return make_van(); - if(!strcmp(type, "bus")) return make_bus(); - return NULL; -} - -void -do_something_with_a_bus(struct vehicle* v) -{ - ((struct bus*)v)->seats = 13; -} - -void -do_something_with_a_van(struct vehicle* v) -{ - ((struct van*)v)->cubic_size = 11; -} - -void -do_something(struct vehicle* v) -{ - if(!strcmp(v->type, "van")) return do_something_with_a_van(v); - if(!strcmp(v->type, "bus")) return do_something_with_a_bus(v); -} - -int -main(void) { - struct van my_van; - struct vehicle *something = &my_van; - my_van.cubic_size = 100; - my_van.base.power = 99; - printf("%d\n", something->power); - printf("%d\n", my_van.base.power); - - struct bus* bus = make_vehicle("bus"); - printf("%s\n", bus->base.type); - printf("%d\n", bus->seats); - do_something(bus); - printf("%d\n", bus->seats); - - return 0; -} - diff --git a/ccc/ooc.h b/ccc/ooc.h deleted file mode 100644 index 0585d95..0000000 --- a/ccc/ooc.h +++ /dev/null @@ -1,6 +0,0 @@ -struct vehicle { - int power; - int weight; - char* type; -}; - diff --git a/ccc/precedence.cc b/ccc/precedence.cc deleted file mode 100644 index 08e29b6..0000000 --- a/ccc/precedence.cc +++ /dev/null @@ -1,16 +0,0 @@ -#include <iostream> - -using namespace std; - - -int main(void) -{ - bool a = false; - bool b = true; - - cout << (!a && b) << endl; - - double c = 0; - if (c) cout << "xx" << endl; -} - diff --git a/ccc/sort.cc b/ccc/sort.cc deleted file mode 100644 index 165b086..0000000 --- a/ccc/sort.cc +++ /dev/null @@ -1,47 +0,0 @@ -#include <iostream> -#include <algorithm> -#include <utility> -#include <vector> - -using namespace std; - - -struct X -{ - pair<string,int> p; -}; - -bool myf(X a, X b) -{ - return a.p.second > b.p.second; -} - -int main(void) -{ - X a; - a.p.first = "a"; - a.p.second = 1; - - X b; - b.p.first = "b"; - b.p.second = 2; - - X c; - c.p.first = "c"; - c.p.second = 3; - - vector<X> v; - v.push_back(a); - v.push_back(b); - v.push_back(c); - - for (unsigned i = 0; i < v.size(); i++) { - cout << v[i].p.first << endl; - } - sort(v.begin(), v.end(), myf); - cout << endl; - for (unsigned i = 0; i < v.size(); i++) { - cout << v[i].p.first << endl; - } -} - diff --git a/ccc/split.cc b/ccc/split.cc deleted file mode 100644 index e01ad64..0000000 --- a/ccc/split.cc +++ /dev/null @@ -1,55 +0,0 @@ -#include <iostream> -#include <string> -#include <sstream> -#include <vector> - -using namespace std; - - -int main(void) -{ - string s("a\tb\tc\td"); - string::iterator it = s.begin(); - char d = '\t'; - string tmp; - size_t parts = 4; - size_t c = 0; - while(true) { - if (parts > 0 && c == parts-1) { - while(it != s.end()) { - tmp += *it; - it++; - } - cout << tmp << endl; - break; - } - if (it == s.end()) { cout << tmp << endl; break; } - if (*it != d) tmp += *it; - else { - cout << tmp << endl; - tmp.clear(); - c++; - } - it++; - } - - cout << "---" << endl; - - stringstream ss(s); - string si; - parts = 0; - c = 0; - - while(true) - { - if (parts > 0 && c == parts-1) { - getline(ss, si); - cout << si << endl; - break; - } - if(!getline(ss, si, '\t')) break; - cout << si << endl; - c++; - } -} - diff --git a/ccc/stringstream.cc b/ccc/stringstream.cc deleted file mode 100644 index 3d68db3..0000000 --- a/ccc/stringstream.cc +++ /dev/null @@ -1,26 +0,0 @@ -#include <iostream> -#include <string> -#include <sstream> -#include <vector> -#include <stdio.h> -#include <iomanip> - -using namespace std; - - -int main(void) { - string s = "1 2 3 4"; - int i; - vector<int> j; - stringstream ss(s); - while (ss >> i) { - j.push_back(i); - cout << i << endl; - } - - printf("%4d %4d %4d %4d\n", j[0], j[1], j[2], j[3]); - - cout.width(100); - cout << setw(100) << j.size() << endl; -} - diff --git a/ccc/stringutil.c b/ccc/stringutil.c deleted file mode 100644 index aab4f03..0000000 --- a/ccc/stringutil.c +++ /dev/null @@ -1,22 +0,0 @@ -#include "stringutil.h" - - -char* -strend(char* s) -{ - if (strlen(s) == 0) return '\0'; - while(*s != '\0') - ++s; - return --s; -} - -bool -endswith(char* s, char* suff) -{ - if (strlen(s) < strlen(suff)) return false; - char* a = strend(s)-(strlen(suff)-1); - if (!a) return false; - if (!strcmp(a, suff)) return true; - return false; -} - diff --git a/ccc/stringutil.h b/ccc/stringutil.h deleted file mode 100644 index 153068a..0000000 --- a/ccc/stringutil.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef STRINGUTIL_H -#define STRINGUTIL_H - -#include <string.h> -#include <stdbool.h> - - -char* strend(char* s); -bool endswith(char* s, char* suff); - - -#endif - diff --git a/ccc/stringutil_test.c b/ccc/stringutil_test.c deleted file mode 100644 index 798bccd..0000000 --- a/ccc/stringutil_test.c +++ /dev/null @@ -1,53 +0,0 @@ -#include "filelib.h" -#include "stringutil.h" - - -int -main(void) -{ - /* - * strend - * - */ - char* s= ""; - char* end = strend(s); - if (end) - printf("should not output: %s\n", end); - - s = "asdf.gz"; - end = strend(s); - if (end) - printf("expect 'z': %s\n", end); - - /* - * endswith - * - */ - if (endswith(s, ".gz")) - printf("%s ends with %s\n", s, ".gz"); - - if (endswith(".gz", ".gz")) - printf(".gz ends with .gz\n"); - - if(!endswith("gz", ".gz")) - printf("gz does not end with .gz\n"); - - /* - * filelib - * - */ - hFile* f = makef("-", "a"); - if (!f) - printf("Error creating file '%s'\n", "-"); - writeln("this goes to stdout", f); - closef(f); - - hFile* g = makef("gzfile.gz", "a"); - if (!g) - printf("Error creating file '%s'\n", "-"); - writeln("this should be compressed", g); - closef(g); - - return 0; -} - diff --git a/ccc/substr.cc b/ccc/substr.cc deleted file mode 100644 index 9a91adc..0000000 --- a/ccc/substr.cc +++ /dev/null @@ -1,23 +0,0 @@ -#include <iostream> -#include <string> - -using namespace std; - - -int main(void) -{ - // 0 12 34 56 - string s("aaax\tbx\tcxasd\tdx"); - unsigned f = 0; - for(unsigned i = 0; i < 3; i++) { - unsigned e = f; - f = s.find("\t", f+1); - cout << "e:" << e << " f:" << f << endl; - if (e !=0) cout << "'" << s.substr(e+1, f-e-1) << "'" << endl; - else cout << "'" << s.substr(0, f) << "'" << endl; - } - cout << "---" << endl; - s.erase(0, f+1); - cout << "'" << s << "'" <<endl; -} - diff --git a/ccc/to_hex.cc b/ccc/to_hex.cc deleted file mode 100644 index 6e577dc..0000000 --- a/ccc/to_hex.cc +++ /dev/null @@ -1,14 +0,0 @@ -#include <iostream> - -using namespace std; - - -int main(void) -{ - int r = 116; - int g = 10; - int b = 10; - - cout << hex << r << " " << g << " " << b << endl; -} - diff --git a/ccc/vector_addition.c b/ccc/vector_addition.c deleted file mode 100644 index decb3ff..0000000 --- a/ccc/vector_addition.c +++ /dev/null @@ -1,29 +0,0 @@ -#include "stdio.h" -#include "stdlib.h" - - -int main(void) { - int N = 10000, M=100000; - float **x = malloc(N*sizeof(float*)); - float *y = malloc(M*sizeof(float*)); - int i,j; - for (i = 0; i < N; i++) { - x[i] = malloc(M*sizeof(float)); - for (j = 0; j < M; j++) { - x[i][j] = (float) j; - } - } - - for (i = 0; i < N ; i++) { - for (j = 0; j < M; j++) { - y[i] += x[i][j]; - } - } - - printf("%f\n", y[100]); - - free(x); free(y); - - return 0; -} - diff --git a/ccc/vector_addition.cu b/ccc/vector_addition.cu deleted file mode 100644 index 4f16bc3..0000000 --- a/ccc/vector_addition.cu +++ /dev/null @@ -1,61 +0,0 @@ -#include "stdio.h" - - -__global__ void add_arrays_gpu( float *in1, float *in2, float *out, int Ntot) -{ - int idx=blockIdx.x*blockDim.x+threadIdx.x; - if (idx < Ntot) - out[idx]=in1[idx]+in2[idx]; -} - - -int main(void) -{ - /* pointers to host memory */ - float *a, *b, *c; - /* pointers to device memory */ - float *a_d, *b_d, *c_d; - int N=100000000; - int i; - - /* Allocate arrays a, b and c on host*/ - a = (float*) malloc(N*sizeof(float)); - b = (float*) malloc(N*sizeof(float)); - c = (float*) malloc(N*sizeof(float)); - - /* Allocate arrays a_d, b_d and c_d on device*/ - cudaMalloc ((void **) &a_d, sizeof(float)*N); - cudaMalloc ((void **) &b_d, sizeof(float)*N); - cudaMalloc ((void **) &c_d, sizeof(float)*N); - - /* Initialize arrays a and b */ - for (i=0; i<N; i++) { - a[i]= (float) i; - b[i]=(float) -i; - } - - - /* Copy data from host memory to device memory */ - cudaMemcpy(a_d, a, sizeof(float)*N, cudaMemcpyHostToDevice); - cudaMemcpy(b_d, b, sizeof(float)*N, cudaMemcpyHostToDevice); - - /* Compute the execution configuration */ - int block_size=256; - dim3 dimBlock(block_size); - dim3 dimGrid ( (N/dimBlock.x) + (!(N%dimBlock.x)?0:1) ); - - /* Add arrays a and b, store result in c */ - add_arrays_gpu<<<dimGrid,dimBlock>>>(a_d, b_d, c_d, N); - - /* Copy data from deveice memory to host memory */ - //cudaMemcpy(c, c_d, sizeof(float)*N, cudaMemcpyDeviceToHost); - - /* Print c */ -/*for(i=0; i<N; i++) - printf(" c[%d]=%f\n",i,c[i]);*/ - - /* Free the memory */ - free(a); free(b); free(c); - cudaFree(a_d); cudaFree(b_d);cudaFree(c_d); -} - diff --git a/ccc/vector_addition1.cu b/ccc/vector_addition1.cu deleted file mode 100644 index 9490ff3..0000000 --- a/ccc/vector_addition1.cu +++ /dev/null @@ -1,48 +0,0 @@ -#include "stdio.h" - - -__global__ void add_arrays_gpu( float *in1, float *in2, float *out, int Ntot) -{ - int idx=blockIdx.x*blockDim.x+threadIdx.x; - if (idx < Ntot) - out[idx]=in1[idx]+in2[idx]; -} - - -int main(void) -{ - int N=10000, M=100000; - float **x = (float**) malloc(N*sizeof(float)); - float **x_d = (float**) malloc(N*sizeof(float)); - int i,j; - - for (i = 0; i < N; i++) { - x[i] = (float*) malloc(M*sizeof(float)); - cudaMalloc ((void **) &x_d[i], sizeof(float)*M); - for (j = 0; j < M; j++) { - x[i][j] = (float) j; - } - cudaMemcpy(x_d[i], x[i], sizeof(float)*M, cudaMemcpyHostToDevice); - } - - - /* Compute the execution configuration */ -// int block_size=256; - // dim3 dimBlock(block_size); - //dim3 dimGrid ( (N/dimBlock.x) + (!(N%dimBlock.x)?0:1) ); - - /** Add arrays a and b, store result in c */ - // add_arrays_gpu<<<dimGrid,dimBlock>>>(a_d, b_d, c_d, N); - - /* Copy data from deveice memory to host memory */ - //cudaMemcpy(c, c_d, sizeof(float)*N, cudaMemcpyDeviceToHost); - - /* Print c */ -/*for(i=0; i<N; i++) - printf(" c[%d]=%f\n",i,c[i]);*/ - - /* Free the memory */ -// free(a); free(b); free(c); -// cudaFree(a_d); cudaFree(b_d);cudaFree(c_d); -} - |