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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008 - INRIA - Arnaud TORSET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include "fix.h"
static void sfixsTest(void) {
assert ((fabs( sfixs(-2) - (-2))/fabs(sfixs(-2)))<1e-16);
assert ((fabs( sfixs(-1.9f) - (-1))/fabs(sfixs(-1.9f)))<1e-16);
assert ((fabs( sfixs(-1.8f) - (-1))/fabs(sfixs(-1.8f)))<1e-16);
assert ((fabs( sfixs(-1.7f) - (-1))/fabs(sfixs(-1.7f)))<1e-16);
assert ((fabs( sfixs(-1.6f) - (-1))/fabs(sfixs(-1.6f)))<1e-16);
assert ((fabs( sfixs(-1.5f) - (-1))/fabs(sfixs(-1.5f)))<1e-16);
assert ((fabs( sfixs(-1.4f) - (-1))/fabs(sfixs(-1.4f)))<1e-16);
assert ((fabs( sfixs(-1.3f) - (-1))/fabs(sfixs(-1.3f)))<1e-16);
assert ((fabs( sfixs(-1.2f) - (-1))/fabs(sfixs(-1.2f)))<1e-16);
assert ((fabs( sfixs(-1.1f) - (-1))/fabs(sfixs(-1.1f)))<1e-16);
assert ((fabs( sfixs(-1.0f) - (-1))/fabs(sfixs(-1.0f)))<1e-16);
assert (fabs( sfixs(-.9f))<1e-16);
assert ((fabs( sfixs(1.0f) - (1))/fabs(sfixs(1.0f)))<1e-16);
assert ((fabs( sfixs(1.1f) - (1))/fabs(sfixs(1.1f)))<1e-16);
assert ((fabs( sfixs(1.2f) - (1))/fabs(sfixs(1.2f)))<1e-16);
assert ((fabs( sfixs(1.3f) - (1))/fabs(sfixs(1.3f)))<1e-16);
assert ((fabs( sfixs(1.4f) - (1))/fabs(sfixs(1.4f)))<1e-16);
assert ((fabs( sfixs(1.5f) - (1))/fabs(sfixs(1.5f)))<1e-16);
assert ((fabs( sfixs(1.6f) - (1))/fabs(sfixs(1.6f)))<1e-16);
assert ((fabs( sfixs(1.7f) - (1))/fabs(sfixs(1.7f)))<1e-16);
assert ((fabs( sfixs(1.8f) - (1))/fabs(sfixs(1.8f)))<1e-16);
assert ((fabs( sfixs(1.9f) - (1))/fabs(sfixs(1.9f)))<1e-16);
assert ((fabs( sfixs(2.0f) - (2))/fabs(sfixs(2.0f)))<1e-16);
}
static void cfixsTest(void) {
floatComplex in, out;
/* tests allant de -2 + i a -1 + 2*i, les reels décroissants de 0.1, les imaginaires croissant de 0.1
+ 1 test supplementaire : -0.9 + 0.9*i*/
in=FloatComplex(-2,1);
out = cfixs(in);
assert ((fabs( creals(out) - (-2))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.9f,1.1f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.8f,1.2f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.7f,1.3f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.6f,1.4f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.5f,1.5f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.4f,1.6f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.3f,1.7f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.2f,1.8f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.1f,1.9f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (1))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-1.0f,2.0f);
out = cfixs(in);
assert ((fabs( creals(out) - (-1))/fabs(creals(out)))<1e-16);
assert ((fabs( cimags(out) - (2))/fabs(cimags(out)))<1e-16);
in=FloatComplex(-.9f,.9f);
out = cfixs(in);
assert (fabs( creals(out))<1e-16);
assert (fabs( cimags(out))<1e-16);
}
static void sfixaTest(void) {
int i;
float in[10]={1.2f, 2.0f,-2.0f,-3.1f,-4.5f,6.1f,4.1f,4.9f,-0.7f, 0.5f};
float res[10]={1,2,-2,-3,-4,6,4,4,0,0};
float out[10];
sfixa(in,10,out);
for (i=0;i<10;i++)
if (out[i]!=0) assert(fabs(out[i]-res[i])/fabs(out[i]) <1e-16);
else assert(fabs(out[i]-res[i]) <1e-16);
}
static void cfixaTest(void) {
int i;
float inR[10]={1.2f, 2.0f,-2.0f,-3.1f,-4.5f,6.1f,4.1f,4.9f,-0.7f, 0.5f};
float inI[10]={5.4f,1.8f,1.4f,-4.0f,-2.7f,-0.3f,1.5f,1.4f,7.3f,-4.6f};
float resR[10]={1,2,-2,-3,-4,6,4,4,0,0};
float resI[10]={5,1,1,-4,-2,0,1,1,7,-4};
floatComplex out[10],*in;
in=FloatComplexMatrix(inR,inI,10);
cfixa(in,10,out);
for (i=0;i<10;i++){
if (creals(out[i])!=0) assert(fabs(creals(out[i])-resR[i])/fabs(creals(out[i])) <1e-16);
else assert(fabs(creals(out[i])-resR[i]) <1e-16);
if (cimags(out[i])!=0) assert(fabs(cimags(out[i])-resI[i])/fabs(cimags(out[i])) <1e-16);
else assert(fabs(cimags(out[i])-resI[i]) <1e-16);
}
}
static int testFix() {
printf("\n>>>> Float Fix Tests\n");
sfixsTest();
cfixsTest();
sfixaTest();
cfixaTest();
return 0;
}
int main() {
assert(testFix() == 0);
return 0;
}
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