Haversine formula: Difference between revisions
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(Updated to work with Nim 1.6. Using the function “degToRad” from standard library module “math”.) |
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=={{header|BASIC}}== |
=={{header|BASIC}}== |
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==={{header|BASIC256}}=== |
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<syntaxhighlight lang="basic256"> |
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global radioTierra # radio de la tierra en km |
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radioTierra = 6372.8 |
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function Haversine(lat1, long1, lat2, long2 , radio) |
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d_long = radians(long1 - long2) |
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theta1 = radians(lat1) |
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theta2 = radians(lat2) |
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dx = cos(d_long) * cos(theta1) - cos(theta2) |
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dy = sin(d_long) * cos(theta1) |
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dz = sin(theta1) - sin(theta2) |
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return asin(sqr(dx*dx + dy*dy + dz*dz) / 2) * radio * 2 |
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end function |
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print |
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print " Distancia de Haversine entre BNA y LAX = "; |
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print Haversine(36.12, -86.67, 33.94, -118.4, radioTierra); " km" |
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end |
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</syntaxhighlight> |
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{{out}} |
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<pre> Distancia de Haversine entre BNA y LAX = 2887.25994877 km.</pre> |
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==={{header|QBasic}}=== |
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{{works with|QBasic|1.1}} |
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{{works with|QuickBasic|4.5}} |
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<syntaxhighlight lang="basic"> |
<syntaxhighlight lang="basic"> |
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CONST pi = 3.141593 ' define pi |
CONST pi = 3.141593 ' define pi |
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Haversine! = (SQR(dx! * dx! + dy! * dy! + dz! * dz!) / 2) * radio * 2 |
Haversine! = (SQR(dx! * dx! + dy! * dy! + dz! * dz!) / 2) * radio * 2 |
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END FUNCTION |
END FUNCTION</syntaxhighlight> |
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</syntaxhighlight> |
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{{out}} |
{{out}} |
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<pre> Distancia de Haversine: 2862.63 km</pre> |
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<pre> |
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Distancia de Haversine: 2862.63 km |
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</pre> |
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==={{header|True BASIC}}=== |
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<syntaxhighlight lang="basic">DEF Haversine (lat1, long1, lat2, long2) |
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OPTION ANGLE RADIANS |
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LET R = 6372.8 !radio terrestre en km. |
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LET dLat = RAD(lat2-lat1) |
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LET dLong = RAD(long2-long1) |
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LET lat1 = RAD(lat1) |
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LET lat2 = RAD(lat2) |
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LET Haversine = R *2 * ASIN(SQR(SIN(dLat/2)^2 + SIN(dLong/2)^2 *COS(lat1) * COS(lat2))) |
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END DEF |
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PRINT |
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PRINT "Distancia de Haversine:"; Haversine(36.12, -86.67, 33.94, -118.4); "km" |
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=={{header|BASIC256}}== |
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<syntaxhighlight |
END</syntaxhighlight> |
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{{out}} |
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global radioTierra # radio de la tierra en km |
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<pre>Distancia de Haversine: 2887.26 km</pre> |
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radioTierra = 6372.8 |
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==={{header|Yabasic}}=== |
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function Haversine(lat1, long1, lat2, long2 , radio) |
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{{trans|FreeBASIC}} |
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d_long = radians(long1 - long2) |
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<syntaxhighlight lang="yabasic">//pi está predefinido en Yabasic |
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theta1 = radians(lat1) |
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deg2rad = pi / 180 // define grados a radianes 0.01745.. |
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theta2 = radians(lat2) |
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radioTierra = 6372.8 // radio de la tierra en km |
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dx = cos(d_long) * cos(theta1) - cos(theta2) |
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dy = sin(d_long) * cos(theta1) |
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dz = sin(theta1) - sin(theta2) |
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return asin(sqr(dx*dx + dy*dy + dz*dz) / 2) * radio * 2 |
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end function |
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sub Haversine(lat1, long1, lat2, long2 , radio) |
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print |
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d_long = deg2rad * (long1 - long2) |
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print " Distancia de Haversine entre BNA y LAX = "; |
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theta1 = deg2rad * lat1 |
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print Haversine(36.12, -86.67, 33.94, -118.4, radioTierra); " km" |
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theta2 = deg2rad * lat2 |
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end |
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dx = cos(d_long) * cos(theta1) - cos(theta2) |
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</syntaxhighlight> |
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dy = sin(d_long) * cos(theta1) |
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{{out}} |
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dz = sin(theta1) - sin(theta2) |
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<pre> |
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return asin(sqr(dx*dx + dy*dy + dz*dz) / 2) * radio * 2 |
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Distancia de Haversine entre BNA y LAX = 2887.25994877 km. |
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end sub |
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</pre> |
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print " Distancia de Haversine entre BNA y LAX = ", Haversine(36.12, -86.67, 33.94, -118.4, radioTierra), " km" |
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end</syntaxhighlight> |
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{{out}} |
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<pre> Distancia de Haversine entre BNA y LAX = 259.478 km</pre> |
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=={{header|BBC BASIC}}== |
=={{header|BBC BASIC}}== |
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2887.2594934 |
2887.2594934 |
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</pre> |
</pre> |
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=={{header|True BASIC}}== |
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<syntaxhighlight lang="basic"> |
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DEF Haversine (lat1, long1, lat2, long2) |
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OPTION ANGLE RADIANS |
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LET R = 6372.8 !radio terrestre en km. |
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LET dLat = RAD(lat2-lat1) |
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LET dLong = RAD(long2-long1) |
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LET lat1 = RAD(lat1) |
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LET lat2 = RAD(lat2) |
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LET Haversine = R *2 * ASIN(SQR(SIN(dLat/2)^2 + SIN(dLong/2)^2 *COS(lat1) * COS(lat2))) |
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END DEF |
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PRINT |
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PRINT "Distancia de Haversine:"; Haversine(36.12, -86.67, 33.94, -118.4); "km" |
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END |
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</syntaxhighlight> |
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{{out}} |
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<pre> |
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Distancia de Haversine: 2887.26 km |
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</pre> |
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=={{header|TypeScript}}== |
=={{header|TypeScript}}== |
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2886.444 |
2886.444 |
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</pre> |
</pre> |
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=={{header|Yabasic}}== |
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{{trans|FreeBASIC}} |
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<syntaxhighlight lang="yabasic"> |
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//pi está predefinido en Yabasic |
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deg2rad = pi / 180 // define grados a radianes 0.01745.. |
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radioTierra = 6372.8 // radio de la tierra en km |
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sub Haversine(lat1, long1, lat2, long2 , radio) |
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d_long = deg2rad * (long1 - long2) |
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theta1 = deg2rad * lat1 |
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theta2 = deg2rad * lat2 |
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dx = cos(d_long) * cos(theta1) - cos(theta2) |
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dy = sin(d_long) * cos(theta1) |
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dz = sin(theta1) - sin(theta2) |
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return asin(sqr(dx*dx + dy*dy + dz*dz) / 2) * radio * 2 |
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end sub |
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print " Distancia de Haversine entre BNA y LAX = ", Haversine(36.12, -86.67, 33.94, -118.4, radioTierra), " km" |
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end |
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</syntaxhighlight> |
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{{out}} |
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<pre> |
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Distancia de Haversine entre BNA y LAX = 259.478 km |
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</pre> |
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=={{header|zkl}}== |
=={{header|zkl}}== |
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