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Move pseudo RNG seeding to start of application

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Also switched  to qrand() in place  of rand() where possible  as it is
thread safe.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5716 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Bill Somerville
2015-07-12 10:28:28 +00:00
parent bdef43aed7
commit b8330b675d
6 changed files with 19 additions and 15 deletions
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Modulator.cpp
+3 -4
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@@ -32,14 +32,13 @@ Modulator::Modulator (unsigned frameRate, unsigned periodLengthInSeconds,
, m_phi {0.0}
, m_toneSpacing {0.0}
, m_fSpread {0.0}
, m_itone0 {0}
, m_frameRate {frameRate}
, m_period {periodLengthInSeconds}
, m_state {Idle}
, m_tuning {false}
, m_cwLevel {false}
{
qsrand (QDateTime::currentMSecsSinceEpoch()); // Initialize random seed
m_itone0=0;
}
void Modulator::start (unsigned symbolsLength, double framesPerSymbol,
@@ -232,8 +231,8 @@ qint64 Modulator::readData (char * data, qint64 maxSize)
int j=m_ic/480;
if(m_fSpread>0.0 and j!=j0) {
float x1=(float)rand()/RAND_MAX;
float x2=(float)rand()/RAND_MAX;
float x1=(float)qrand()/RAND_MAX;
float x2=(float)qrand()/RAND_MAX;
toneFrequency = toneFrequency0 + 0.5*m_fSpread*(x1+x2-1.0);
m_dphi = m_twoPi * toneFrequency / m_frameRate;
j0=j;