Unit Conversion
Functions to convert between various physical units
Enums
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enum vrna_unit_energy_e
Energy / Work Units.
See also
Values:
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enumerator VRNA_UNIT_J
Joule ( \( 1~J = 1~kg \cdot m^2 s^{-2} \) )
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enumerator VRNA_UNIT_KJ
Kilojoule ( \( 1~kJ = 1,000~J \) )
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enumerator VRNA_UNIT_CAL_IT
Calorie (International (Steam) Table, \( 1~cal_{IT} = 4.1868~J \) )
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enumerator VRNA_UNIT_DACAL_IT
Decacolorie (International (Steam) Table, \( 1~dacal_{IT} = 10~cal_{IT} = 41.868~J \) )
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enumerator VRNA_UNIT_KCAL_IT
Kilocalorie (International (Steam) Table, \( 1~kcal_{IT} = 4.1868~kJ \) )
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enumerator VRNA_UNIT_CAL
Calorie (Thermochemical, \( 1~cal_{th} = 4.184~J \) )
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enumerator VRNA_UNIT_DACAL
Decacalorie (Thermochemical, \( 1~dacal_{th} = 10~cal_{th} = 41.84~J \) )
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enumerator VRNA_UNIT_KCAL
Kilocalorie (Thermochemical, \( 1~kcal_{th} = 4.184~kJ \) )
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enumerator VRNA_UNIT_G_TNT
g TNT ( \( 1~g~\mathrm{TNT} = 1,000~cal_{th} = 4,184~J \) )
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enumerator VRNA_UNIT_KG_TNT
kg TNT ( \( 1~kg~\mathrm{TNT} = 1,000~kcal_{th} = 4,184~kJ \) )
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enumerator VRNA_UNIT_T_TNT
ton TNT ( \( 1~t~\mathrm{TNT} = 1,000,000~kcal_{th} = 4,184~MJ \) )
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enumerator VRNA_UNIT_EV
Electronvolt ( \( 1~eV = 1.602176565 \times 10^{-19}~J \) )
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enumerator VRNA_UNIT_WH
Watt hour ( \( 1~W \cdot h = 1~W \cdot 3,600 s = 3,600~J = 3.6~kJ \) )
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enumerator VRNA_UNIT_KWH
Kilowatt hour ( \( 1~kW \cdot h = 1~kW \cdot 3,600~s = 3,600~kJ = 3.6~MJ \) )
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enumerator VRNA_UNIT_J
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enum vrna_unit_temperature_e
Temperature Units.
See also
Values:
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enumerator VRNA_UNIT_K
Kelvin (K)
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enumerator VRNA_UNIT_DEG_C
Degree Celcius (C) ( \( [^{\circ}C] = [K] - 273.15 \) )
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enumerator VRNA_UNIT_DEG_F
Degree Fahrenheit (F) ( \( [^{\circ}F] = [K] \times \frac{9}{5} - 459.67 \) )
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enumerator VRNA_UNIT_DEG_R
Degree Rankine (R) ( \( [^{\circ}R] = [K] \times \frac{9}{5} \) )
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enumerator VRNA_UNIT_DEG_N
Degree Newton (N) ( \( [^{\circ}N] = ([K] - 273.15) \times \frac{33}{100} \) )
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enumerator VRNA_UNIT_DEG_DE
Degree Delisle (De) ( \( [^{\circ}De] = (373.15 - [K]) \times \frac{3}{2} \) )
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enumerator VRNA_UNIT_DEG_RE
Degree Raumur (R) ( \( [^{\circ}R{\acute e}] = ([K] - 273.15) \times \frac{4}{5} \) )
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enumerator VRNA_UNIT_DEG_RO
Degree Rmer (R) ( \( [^{\circ}\text{R{\o}}] = ([K] - 273.15) \times \frac{21}{40} + 7.5 \) )
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enumerator VRNA_UNIT_K
Functions
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double vrna_convert_energy(double energy, vrna_unit_energy_e from, vrna_unit_energy_e to)
- #include <ViennaRNA/utils/units.h>
Convert between energy / work units.
See also
- Parameters:
energy – Input energy value
from – Input unit
to – Output unit
- Returns:
Energy value in Output unit
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double vrna_convert_temperature(double temp, vrna_unit_temperature_e from, vrna_unit_temperature_e to)
- #include <ViennaRNA/utils/units.h>
Convert between temperature units.
See also
- Parameters:
temp – Input temperature value
from – Input unit
to – Output unit
- Returns:
Temperature value in Output unit
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int vrna_convert_kcal_to_dcal(double energy)
- #include <ViennaRNA/utils/units.h>
Convert floating point energy value into integer representation.
This function converts a floating point value in kcal/mol into its corresponding deka-cal/mol integer representation as used throughout RNAlib.
See also
- Parameters:
energy – The energy value in kcal/mol
- Returns:
The energy value in deka-cal/mol
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double vrna_convert_dcal_to_kcal(int energy)
- #include <ViennaRNA/utils/units.h>
Convert an integer representation of free energy in deka-cal/mol to kcal/mol.
This function converts a free energy value given as integer in deka-cal/mol into the corresponding floating point number in kcal/mol
See also
- Parameters:
energy – The energy in deka-cal/mol
- Returns:
The energy in kcal/mol
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enum vrna_unit_energy_e