| 1 | #include "sopnamsp.h"
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| 2 | #include "machdefs.h"
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| 3 |
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| 4 | #include <math.h>
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| 5 | #include <ctype.h>
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| 6 | #include <iostream>
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| 7 | #include <typeinfo>
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| 8 |
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| 9 | #include "srandgen.h"
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| 10 | #include "matharr.h"
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| 11 | #include "fftpserver.h"
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| 12 | #include "fftmserver.h"
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| 13 | #include "fftwserver.h"
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| 14 | #include "ntoolsinit.h"
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| 15 |
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| 16 | #include "timing.h"
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| 17 |
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| 18 | /* --------------------------------------------------------- */
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| 19 | /* ---- Programme de test de calcul de FFT --- */
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| 20 | /* ---- par les FFTServer de SOPHYA --- */
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| 21 | /* 2000-2005 - C. Magneville, R. Ansari */
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| 22 | /* Test FFT-1D real<>complex complex<>complex */
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| 23 | /* Aide/Liste d'arguments : */
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| 24 | /* csh> tfft */
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| 25 | /* Tests de base ( ==> Rc=0 ) */
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| 26 | /* csh> tfft 15 P */
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| 27 | /* csh> tfft 16 P */
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| 28 | /* csh> tfft 15 W */
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| 29 | /* csh> tfft 16 W */
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| 30 | /* csh> tfft 1531 P D 0 50 0.0002 */
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| 31 | /* csh> tfft 1220 P D 0 50 0.0002 */
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| 32 | /* csh> tfft 1531 W D 0 50 0.0002 */
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| 33 | /* csh> tfft 1220 W D 0 50 0.0002 */
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| 34 | /* --------------------------------------------------------- */
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| 35 |
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| 36 | static bool inp_typ_random = false ; // true -> random input
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| 37 |
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| 38 | template <class T>
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| 39 | inline T module(complex<T> c)
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| 40 | {
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| 41 | return (sqrt(c.real()*c.real()+c.imag()*c.imag()));
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| 42 | }
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| 43 |
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| 44 | // Max Matrix print elts
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| 45 | static int nprt = 2;
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| 46 | static int nprtfc = 8;
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| 47 |
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| 48 | static int prtlev = 0;
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| 49 |
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| 50 | template <class T>
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| 51 | void TestFFTPack(T seuil, sa_size_t num)
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| 52 | {
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| 53 | int i;
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| 54 | T fact = 1./num;
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| 55 |
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| 56 | TVector< complex<T> > inc(num), bkc(num), difc(num);
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| 57 | TVector< T > in(num), ino(num), bk(num),dif(num);
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| 58 | TVector< complex<T> > outc(num);
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| 59 |
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| 60 | cout << " DBG/1 outc " << outc.NElts() << endl;
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| 61 | outc.ReSize(32);
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| 62 | cout << " DBG/2 outc " << outc.NElts() << endl;
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| 63 | outc.ReSize(10);
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| 64 | cout << " DBG/3 outc " << outc.NElts() << endl;
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| 65 | outc.ReSize(48);
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| 66 | cout << " DBG/4 outc " << outc.NElts() << endl;
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| 67 |
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| 68 | if (inp_typ_random)
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| 69 | for (i=0; i<num ; i++){
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| 70 | ino[i] = in[i] = GauRnd(0., 1.);
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| 71 | inc[i] = complex<T> (in[i], 0.);
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| 72 | }
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| 73 | else for (i=0; i<num ; i++){
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| 74 | ino[i] = in[i] = 0.5 + cos(2*M_PI*(double)i/(double)num)
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| 75 | + 2*sin(4*M_PI*(double)i/(double)num);
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| 76 | inc[i] = complex<T> (in[i], 0.);
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| 77 | }
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| 78 |
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| 79 |
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| 80 | cout << "Input / L = " << num << in;
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| 81 | cout << endl;
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| 82 |
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| 83 | cout << " >>>> Testing FFTPackServer " << endl;
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| 84 | FFTPackServer fftp;
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| 85 | cout << " Testing FFTPackServer " << endl;
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| 86 | fftp.fftf(in.NElts(), in.Data());
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| 87 | // in /= (num/2.);
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| 88 | cout << " fftp.fftf(in.NElts(), in.Data()) FORWARD: " << in << endl;
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| 89 | cout << endl;
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| 90 | fftp.fftb(in.NElts(), in.Data());
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| 91 | cout << " fftp.fftb(in.NElts(), in.Data()) BACKWARD: " << in <<endl;
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| 92 | cout << endl;
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| 93 | dif = ino-in;
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| 94 | cout << " dif , NElts= " << dif.NElts() << dif << endl;
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| 95 |
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| 96 | int ndiff = 0;
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| 97 | T maxdif=0., vdif;
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| 98 | for(i=0; i<num; i++) {
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| 99 | vdif = fabs(dif(i));
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| 100 | if (vdif > seuil) ndiff++;
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| 101 | if (vdif > maxdif) maxdif = vdif;
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| 102 | }
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| 103 | cout << " Difference, Seuil= " << seuil << " NDiff= " << ndiff
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| 104 | << " MaxDiff= " << maxdif << endl;
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| 105 |
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| 106 | }
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| 107 |
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| 108 | template <class T>
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| 109 | int TestFFTS(T seuil, FFTServerInterface & ffts, sa_size_t num)
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| 110 | {
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| 111 |
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| 112 | cout <<" ===> TestFFTS " << ffts.getInfo() << " ArrSz= " << num << endl;
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| 113 | int i;
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| 114 |
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| 115 | T fact = 1.;
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| 116 |
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| 117 | TVector< complex<T> > inc(num), bkc(num), difc(num);
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| 118 | TVector< T > in(num), ino(num), bk(num),dif(num);
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| 119 | TVector< complex<T> > outc(num);
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| 120 |
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| 121 | if (inp_typ_random) {
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| 122 | cout << " TestFFTS/Random input vector ... " << endl;
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| 123 | ino = in = RandomSequence() ; // Nombre aleatoire gaussienne - sigma=1, mean=0
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| 124 | ComplexMathArray< T > cma;
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| 125 | TVector< T > im(num);
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| 126 | im = RandomSequence(RandomSequence::Flat);
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| 127 | inc = cma.FillFrom(in, im);
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| 128 | }
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| 129 | else {
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| 130 | cout << " TestFFTS/Random input vector = 0.5+cos(2x)+2sin(4x)... " << endl;
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| 131 | for (i=0; i<num ; i++){
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| 132 | ino[i] = in[i] = 0.5 + cos(2*M_PI*(double)i/(double)num)
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| 133 | + 2*sin(4*M_PI*(double)i/(double)num);
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| 134 | inc[i] = complex<T> (in[i], 0.);
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | cout << " Testing FFTServer " << ffts.getInfo() << endl;
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| 139 |
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| 140 | cout << "Input / Length= " << num << endl;
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| 141 | if (prtlev > 0)
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| 142 | cout << in << endl;
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| 143 |
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| 144 | int ndiff = 0;
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| 145 | int rc = 0;
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| 146 |
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| 147 | cout << "\n ---- Testing FFT-1D(T, complex<T>) ---- " << endl;
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| 148 | ffts.FFTForward(in, outc);
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| 149 | if (prtlev > 0)
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| 150 | cout << " FourierCoefs: outc= \n" << outc << endl;
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| 151 |
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| 152 | ffts.FFTBackward(outc, bk);
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| 153 | if (prtlev > 0)
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| 154 | cout << " Backward: bk= \n" << bk << endl;
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| 155 |
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| 156 | dif = bk*fact - in;
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| 157 | if (prtlev > 0)
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| 158 | cout << " Difference dif= \n" << dif << endl;
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| 159 |
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| 160 | ndiff = 0;
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| 161 | T maxdif=0., vdif;
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| 162 | for(i=0; i<num; i++) {
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| 163 | vdif = fabs(dif(i));
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| 164 | if (vdif > seuil) ndiff++;
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| 165 | if (vdif > maxdif) maxdif = vdif;
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| 166 | }
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| 167 | cout << " Difference, Seuil= " << seuil << " NDiff= " << ndiff
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| 168 | << " MaxDiff= " << maxdif << endl;
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| 169 |
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| 170 | if (ndiff != 0) rc += 4;
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| 171 |
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| 172 | cout << "\n ---- Testing FFT-1D(complex<T>, complex<T>) ---- " << endl;
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| 173 | ffts.FFTForward(inc, outc);
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| 174 | if (prtlev > 0)
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| 175 | cout << " FourierCoef , outc= \n" << outc << endl;
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| 176 |
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| 177 | ffts.FFTBackward(outc, bkc);
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| 178 | if (prtlev > 0)
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| 179 | cout << " Backward , bkc= \n " << bkc << endl;
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| 180 |
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| 181 | difc = bkc*complex<T>(fact,0.) - inc;
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| 182 | if (prtlev > 0)
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| 183 | cout << " Difference , difc= \n " << difc << endl;
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| 184 |
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| 185 | ndiff = 0;
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| 186 | maxdif=0., vdif;
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| 187 | for(i=0; i<num; i++) {
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| 188 | vdif = fabs(module(difc(i)));
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| 189 | if (vdif > seuil) ndiff++;
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| 190 | if (vdif > maxdif) maxdif = vdif;
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| 191 | }
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| 192 | cout << " Difference, Seuil= " << seuil << " NDiff= " << ndiff
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| 193 | << " MaxDiff= " << maxdif << endl;
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| 194 |
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| 195 | if (ndiff != 0) rc += 8;
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| 196 | return rc;
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| 197 | }
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| 198 |
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| 199 |
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| 200 |
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| 201 |
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| 202 |
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| 203 | int main(int narg, char* arg[])
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| 204 | {
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| 205 |
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| 206 | SophyaInit();
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| 207 | InitTim(); // Initializing the CPU timer
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| 208 |
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| 209 | if (narg < 3) {
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| 210 | cout << "tfft/ args error - \n Usage tfft size p/P/M/W [f/d/F/D PrtLev=0 MaxNPrt=50 diffthr] \n"
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| 211 | << " 1D real/complex-FFT test (FFTServer) \n"
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| 212 | << " size: input vector length \n "
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| 213 | << " p=FFTPackTest P=FFTPack, M=FFTMayer, W= FFTWServer \n "
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| 214 | << " F/f:float, D/d:double F/D:random in_vector (default=D) \n"
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| 215 | << " diffthr : Threshold for diff checks (=10^-6/10^-4 double/float)" << endl;
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| 216 | return(1);
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| 217 | }
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| 218 |
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| 219 | FFTPackServer fftp;
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| 220 | FFTMayerServer fftm;
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| 221 |
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| 222 | FFTWServer fftw;
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| 223 |
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| 224 | sa_size_t sz = atol(arg[1]);
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| 225 | int nprt = 50;
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| 226 | if (narg > 4) prtlev = atoi(arg[4]);
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| 227 | if (narg > 5) nprt = atoi(arg[5]);
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| 228 | BaseArray::SetMaxPrint(nprt, prtlev);
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| 229 | float fs = 1.e-4;
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| 230 | double ds = 1.e-6;
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| 231 | if (narg > 6) fs = ds = atof(arg[6]);
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| 232 |
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| 233 | if (sz < 2) sz = 2;
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| 234 |
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| 235 | char dtyp = 'D';
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| 236 | if (narg > 3) dtyp = *arg[3];
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| 237 | inp_typ_random = true;
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| 238 | if (islower(dtyp)) inp_typ_random = false;
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| 239 | dtyp = toupper(dtyp);
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| 240 |
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| 241 | FFTServerInterface * ffts;
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| 242 | if (*arg[2] == 'M') ffts = fftm.Clone();
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| 243 | else if (*arg[2] == 'W') ffts = fftw.Clone();
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| 244 | else ffts = fftp.Clone();
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| 245 |
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| 246 | cout << "\n ============================================= \n"
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| 247 | << " ------ Testing FFTServer " << typeid(*ffts).name() << "\n"
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| 248 | << " VecSize= " << sz << " InputType= "
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| 249 | << ( (inp_typ_random ) ? " random " : " fixed(sin+cos) ") << "\n"
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| 250 | << " =============================================== " << endl;
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| 251 |
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| 252 | int rc = 0;
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| 253 | try {
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| 254 | if (dtyp == 'D') {
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| 255 | cout << " ------ Testing FFTServer for double (r_8)----- " << endl;
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| 256 | if (*arg[2] == 'p') TestFFTPack(ds, sz);
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| 257 | else rc = TestFFTS(ds, *ffts, sz);
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| 258 | }
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| 259 | else {
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| 260 | cout << " ------ Testing FFTServer for float (r_4)----- " << endl;
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| 261 | if (*arg[2] == 'p') TestFFTPack(fs, sz);
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| 262 | else rc = TestFFTS(fs, *ffts, sz);
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| 263 | }
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| 264 | }
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| 265 | catch(PThrowable& exc ) {
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| 266 | cerr << "TestFFT-main() , Catched exception: \n" << exc.Msg() << endl;
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| 267 | rc = 97;
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| 268 | }
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| 269 | catch(std::exception ex) {
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| 270 | cerr << "TestFFT-main() , Catched exception ! " << (string)(ex.what()) << endl;
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| 271 | rc = 98;
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| 272 | }
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| 273 | catch(...) {
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| 274 | cerr << "TestFFT-main() , Catched ... exception ! " << endl;
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| 275 | rc = 99;
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| 276 | }
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| 277 | PrtTim("End of tfft ");
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| 278 | delete ffts;
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| 279 | cout << " =========== End of tfft Rc= " << rc << " =============" << endl;
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| 280 | }
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