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Diffstat (limited to 'test/bench/mandelbrot.c')
-rw-r--r-- | test/bench/mandelbrot.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/test/bench/mandelbrot.c b/test/bench/mandelbrot.c deleted file mode 100644 index c177c088c..000000000 --- a/test/bench/mandelbrot.c +++ /dev/null @@ -1,91 +0,0 @@ -/* -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - * Neither the name of "The Computer Language Benchmarks Game" nor the - name of "The Computer Language Shootout Benchmarks" nor the names of - its contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -*/ - -/* The Computer Language Shootout - http://shootout.alioth.debian.org/ - - contributed by Greg Buchholz - - for the debian (AMD) machine... - compile flags: -O3 -ffast-math -march=athlon-xp -funroll-loops - - for the gp4 (Intel) machine... - compile flags: -O3 -ffast-math -march=pentium4 -funroll-loops -*/ - -#include<stdio.h> - -int main (int argc, char **argv) -{ - int w, h, bit_num = 0; - char byte_acc = 0; - int i, iter = 50; - double x, y, limit = 2.0; - double Zr, Zi, Cr, Ci, Tr, Ti; - - w = h = atoi(argv[1]); - - printf("P4\n%d %d\n",w,h); - - for(y=0;y<h;++y) - { - for(x=0;x<w;++x) - { - Zr = Zi = Tr = Ti = 0.0; - Cr = (2.0*x/w - 1.5); Ci=(2.0*y/h - 1.0); - - for (i=0;i<iter && (Tr+Ti <= limit*limit);++i) - { - Zi = 2.0*Zr*Zi + Ci; - Zr = Tr - Ti + Cr; - Tr = Zr * Zr; - Ti = Zi * Zi; - } - - byte_acc <<= 1; - if(Tr+Ti <= limit*limit) byte_acc |= 0x01; - - ++bit_num; - - if(bit_num == 8) - { - putc(byte_acc,stdout); - byte_acc = 0; - bit_num = 0; - } - else if(x == w-1) - { - byte_acc <<= (8-w%8); - putc(byte_acc,stdout); - byte_acc = 0; - bit_num = 0; - } - } - } -} |