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2014/10/15 ¤U¤È 10:11:19
iphone Programming Glossary: math.hSource for a good, simple, soft modem library http://stackoverflow.com/questions/10693590/source-for-a-good-simple-soft-modem-library audio recorded from your radio. Code #include stdio.h #include string.h #include stdlib.h #include limits.h #include math.h #ifndef M_PI #define M_PI 3.14159265358979324 #endif typedef unsigned char uchar uint8 typedef signed char schar int8 typedef..
How to make a modulo operation in objective-c / cocoa touch? http://stackoverflow.com/questions/1271102/how-to-make-a-modulo-operation-in-objective-c-cocoa-touch
http://stackoverflow.com/questions/2109257/isnan-in-objective-c NSString stringWithFormat @ .2f verschilPrencentage iphone share improve this question Try just adding #include math.h and then using the standard isnan function to test. You can also use the trick that NaN is not equal to anything including..
Cumulative Normal Distribution function in objective C http://stackoverflow.com/questions/2785944/cumulative-normal-distribution-function-in-objective-c like the iphone already has everything you need specifically the erfc function which is a slight variant #import math.h double cumulativeNormal double x return 0.5 erfc x M_SQRT1_2 Note this is for the standard normal distribution i.e. mean..
How do I calculate a logarithm in iOS? [duplicate] http://stackoverflow.com/questions/3784418/how-do-i-calculate-a-logarithm-in-ios objective c logarithm share improve this question You can use the C functions for calculating logarithms #import math.h double myLog log 10 You can also see here What kind of logarithm functions methods are available in objective c cocoa touch..
Point in Tilt Direction - iPhone http://stackoverflow.com/questions/5128861/point-in-tilt-direction-iphone have to convert back fore between degrees and radians just paste in these lines of code that everyone uses #include math.h static inline float degreestoradians double degrees return degrees M_PI 180 static inline float radianstodegrees double..
http://stackoverflow.com/questions/5352457/cgfloat-based-math-functions now that we have 64 bit iOS I think the easiest way to deal with this if you want to future proof is to use tgmath.h instead of math.h math.h gets imported by Cocoa automatically tgmath doesn't so you'll need to declare it somewhere . There.. we have 64 bit iOS I think the easiest way to deal with this if you want to future proof is to use tgmath.h instead of math.h math.h gets imported by Cocoa automatically tgmath doesn't so you'll need to declare it somewhere . There are a number of.. 64 bit iOS I think the easiest way to deal with this if you want to future proof is to use tgmath.h instead of math.h math.h gets imported by Cocoa automatically tgmath doesn't so you'll need to declare it somewhere . There are a number of potential..
How to print a double with full precision on iOS? http://stackoverflow.com/questions/5729004/how-to-print-a-double-with-full-precision-on-ios have expected to get a result much closer to the original value 3.14159265358979323846264338327950288 as defined in math.h Any clues iphone cocoa touch double precision nslog share improve this question The first two lines round to 6 decimals.. floating point number has slightly less than 16 decimal digits of precision so all those digits of the literal in math.h are pointless perhaps they can be seen as future proofing against a possible future redefinition in a format with more precision..
http://stackoverflow.com/questions/8578221/opencv-ios-mapkit-conflict using MapKit in an Objective C project. Note that it is nothing to do with OpenCV. isinf is declared as a macro in math.h but in an Objective C project which #includes cmath isinf is #undef'd and std isinf is declared instead as a wrapper. A..
iphone error: expected '=', ',', ';', 'asm' or '__attribute__' before ' 'foo' http://stackoverflow.com/questions/990906/iphone-error-expected-asm-or-attribute-before-foo files In my situation the first error is pointing at 'MeterTable'.. a class that includes stdlib.h stdio.h and math.h . But those files seem to be importing fine if i remove them i get more errors Any suggestions on how to debug this TIA..
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