Révision 21

Pi/C/Simple/Makefile (revision 21)
1 
EXECUTABLE=Pi_LONG Pi_INTEGER
1 
EXECUTABLE=Pi_LONG Pi_INT Pi_LONG_IFSQRT Pi_LONG_IFWOSQRT  Pi_INT_IFSQRT Pi_INT_IFWOSQRT
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SOURCE=Pi.c


  		





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CC=gcc


  		





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CFLAGS=-Wall -O3 -std=c99


  		





  
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CFLAGS=-Wall -O3 -std=c99 -g


  		





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LIBRARY=-lm


  		





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all: $(EXECUTABLE)


  		





  ......




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	$(CC) $(CFLAGS) $(DIRECTIVES) -DLONG -o $@ $< $(LIBRARY)


  		





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Pi_INTEGER: $(SOURCE)


  		





  
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Pi_LONG_IFSQRT: $(SOURCE)


  		





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	$(CC) $(CFLAGS) $(DIRECTIVES) -DLONG -DIFSQRT -o $@ $< $(LIBRARY)


  		





  
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Pi_LONG_IFWOSQRT: $(SOURCE)


  		





  
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	$(CC) $(CFLAGS) $(DIRECTIVES) -DLONG -DIFWOSQRT -o $@ $< $(LIBRARY)


  		





  
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Pi_INT: $(SOURCE)


  		





  
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	$(CC) $(CFLAGS) $(DIRECTIVES) -DINTEGER -o $@ $< $(LIBRARY)


  		





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Pi_INT_IFSQRT: $(SOURCE)


  		





  
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	$(CC) $(CFLAGS) $(DIRECTIVES) -DINTEGER -IFSQRT -o $@ $< $(LIBRARY)


  		





  
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Pi_INT_IFWOSQRT: $(SOURCE)


  		





  
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	$(CC) $(CFLAGS) $(DIRECTIVES) -DINTEGER -IFWOSQRT -o $@ $< $(LIBRARY)


  		





  
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.PHONY: clean check mrproper


  		





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mrproper: 


  		












  

    
      Pi/C/Simple/Pi.c	(revision 21)
    
  






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      float y=MWCfp ;


  		





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      // Matching test


  		





  
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#ifdef IFSQRT


  		





  
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      if ( sqrt(x*x+y*y) < 1.0f ) {


  		





  
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	total+=1;


  		





  
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      }


  		





  
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#elif IFWOSQRT


  		





  
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      if ( (x*x+y*y) < 1.0f ) {


  		





  
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	total+=1;


  		





  
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      }


  		





  
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#else


  		





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      int inside=((x*x+y*y) < 1.0f) ? 1:0;


  		





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      total+=inside;


  		





  
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#endif


  		





  
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   }


  		





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   return(total);


  		





  ......




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  float pi=(float)MainLoopGlobal(iterations,seed_w,seed_z)/(float)iterations*4;


  		





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  printf("\tPi=%f with error %f and %lu iterations\n\n",pi,


  		





  
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  printf("\tPi=%.40f\n\twith error %.40f\n\twith %lu iterations\n\n",pi,


  		





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         fabs(pi-4*atan(1))/pi,(unsigned long)iterations);


  		





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}


  		












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