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took the bitwise and out of the switch case -- may have prevented optimization

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Mark Borgerding
2003-10-15 03:45:24 +00:00
parent 5f0efe8f17
commit d6ae498630
1 changed files with 1 additions and 7 deletions
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8
kiss_fft.c
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@ -71,13 +71,8 @@ kiss_fft_cpx cexp(double phase)
return x; return x;
} }
void printcpx(const char * desc,kiss_fft_cpx c)
{
printf("%s = (%e,%e)\n",desc,(double)c.r,(double)c.i);
}
#define C_ROTADDTO(sum,c,q) \ #define C_ROTADDTO(sum,c,q) \
do{ switch ((q)&3) {\ do{ switch (q) {\
case 0: (sum).r += (c).r; (sum).i += (c).i; break;\ case 0: (sum).r += (c).r; (sum).i += (c).i; break;\
case 1: (sum).r += (c).i; (sum).i -= (c).r; break;\ case 1: (sum).r += (c).i; (sum).i -= (c).r; break;\
case 2: (sum).r -= (c).r; (sum).i -= (c).i; break;\ case 2: (sum).r -= (c).r; (sum).i -= (c).i; break;\
@ -234,7 +229,6 @@ void fft_work(
case 2: bfly2(Fout,fstride,st,m); break; case 2: bfly2(Fout,fstride,st,m); break;
default: bflyp(Fout,fstride,st,m,p); break; default: bflyp(Fout,fstride,st,m,p); break;
} }
return;
} }
/* /*