Merge pull request #1515 from amtriathlon/master

Minor fixes
This commit is contained in:
Mark Liversedge
2015-08-16 15:50:16 +01:00
3 changed files with 13 additions and 9 deletions

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@@ -14,6 +14,10 @@
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* The Daniels-Gilbert fomula used for VDOT and vVDOT was taken from:
* http://www.simpsonassociatesinc.com/runningmath1.htm
* T-PACE as 90%vVDOT from Daniels' Running Formula book
*/
#include "VDOTCalculator.h"
@@ -136,17 +140,17 @@ void VDOTCalculator::on_btnCalculate_clicked()
double dist = distSpinBox->value();
// velocity m/min
double vel = (metricRnPace ? 1.0 : KM_PER_MILE)*1000*dist/mins;
// estimated VO2
// estimated VO2 costo of running at vel speed
double VO2 = -4.3 + 0.182258*vel + 0.000104*pow(vel, 2);
// fractional utilization of VO2max
// fractional utilization of VO2max for mins duration
double FVO2 = 0.8 + 0.1894393*exp(-0.012778*mins) + 0.2989558*exp(-0.1932605*mins);
// VDOT: estimated VO2max based on Daniels' Running Formula
// VDOT: estimated VO2max based on Daniels/Gilbert Formula
double VDOT = VO2 / FVO2;
txtVDOT->setText(QString("%1 ml/min/kg").arg(round(VDOT*10)/10));
// velocity at VO2max according to Daniels' Running Formula
double vVO2max = 29.54 + 5.000663*VDOT - 0.007546*pow(VDOT, 2);
// Threshold Pace estimated at 90% vVO2max
double TPACE = 1000.0/vVO2max/0.9;
// velocity at VO2max according to Daniels/Gilbert Formula
double vVDOT = 29.54 + 5.000663*VDOT - 0.007546*pow(VDOT, 2);
// Threshold Pace estimated at 90%vVDOT, from Daniels's Running Formula
double TPACE = 1000.0/vVDOT/0.9;
txtTPACE->setText(QString("%1 %2")
.arg(QTime(0,0,0).addSecs(TPACE*60*(metricRnPace ? 1.0 : KM_PER_MILE)).toString("mm:ss"))
.arg(metricRnPace ? tr("min/km") : tr("min/mi")));

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@@ -1,3 +1,3 @@
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