t000004.c

realview22.rar

/*
 * Copyright (C) ARM Limited 1998-2000. All rights reserved.
 *
 * t000004.c
 *
 * Tests for FFT's of size N=4
 */

#include "testfft.h"

static const comp ffttest_4_0_in[4] = {
  { 0.066390041493775934, 0.000000000000000000 },
  { 0.302904564315352680, 0.000000000000000000 },
  { 0.614107883817427310, 0.000000000000000000 },
  { 1.000000000000000000, 0.000000000000000000 }
};

static const comp ffttest_4_0_out[4] = {
  { 1.983402489626556100, 0.000000000000000000 },
  { -0.547717842323651390, 0.697095435684647380 },
  { -0.622406639004149280, 0.000000000000000043 },
  { -0.547717842323651390, -0.697095435684647050 }
};

static const comp ffttest_4_1_in[4] = {
  { 1.000000000000000000, 0.000000000000000000 },
  { -0.000000000000000184, 0.000000000000000000 },
  { -1.000000000000000000, 0.000000000000000000 },
  { 0.000000000000000551, 0.000000000000000000 }
};

static const comp ffttest_4_1_out[4] = {
  { 0.000000000000000000, 0.000000000000000000 },
  { 2.000000000000000000, 0.000000000000000000 },
  { 0.000000000000000000, 0.000000000000000000 },
  { 2.000000000000000000, 0.000000000000000000 }
};

static const comp ffttest_4_2_in[4] = {
  { 0.056257788855260810, 0.071212390956026342 },
  { 0.290724586077977520, 0.211411785650703180 },
  { 0.605305323126223980, 0.375645362293038910 },
  { 1.000000000000000000, 0.563913120883033580 }
};

static const comp ffttest_4_2_out[4] = {
  { 1.952287698059462300, 1.222182659782802000 },
  { -0.901548869503293490, 0.404842442585009900 },
  { -0.629161474096492700, -0.328467153284671410 },
  { -0.196546199038632740, -1.013708385259034700 }
};

static const comp ffttest_4_3_in[4] = {
  { 1.000000000000000000, 0.299999999999999990 },
  { 0.299999999999999930, -1.000000000000000000 },
  { -1.000000000000000000, -0.299999999999999880 },
  { -0.299999999999999820, 1.000000000000000000 }
};

static const comp ffttest_4_3_out[4] = {
  { 0.000000000000000000, 0.000000000000000000 },
  { 0.000000000000000000, 0.000000000000000000 },
  { 0.000000000000000000, 0.000000000000000000 },
  { 4.000000000000000000, 1.200000000000000000 }
};

static const tFFTTest FFTTest_4[4]={
  { 4, "parabola-real", (comp*)ffttest_4_0_in, (comp*)ffttest_4_0_out, 2 },
  { 4, "sinewave-real", (comp*)ffttest_4_1_in, (comp*)ffttest_4_1_out, 2 },
  { 4, "parabola-complex", (comp*)ffttest_4_2_in, (comp*)ffttest_4_2_out, 0 },
  { 4, "sinewave-complex", (comp*)ffttest_4_3_in, (comp*)ffttest_4_3_out, 0 }
};

extern const tFFTTests FFTTests_4;
const tFFTTests FFTTests_4 = {
 4, 4, (tFFTTest*)FFTTest_4
};