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GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Vaclav_27-Sep-14 9:05
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AnswerRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Richard MacCutchan27-Sep-14 22:07
mveRichard MacCutchan27-Sep-14 22:07 
GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Vaclav_28-Sep-14 4:18
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GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Richard MacCutchan28-Sep-14 4:40
mveRichard MacCutchan28-Sep-14 4:40 
GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Vaclav_28-Sep-14 6:10
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GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Richard MacCutchan28-Sep-14 6:41
mveRichard MacCutchan28-Sep-14 6:41 
GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Vaclav_28-Sep-14 8:35
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GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Richard MacCutchan28-Sep-14 21:58
mveRichard MacCutchan28-Sep-14 21:58 
C++
// the value passed in is already a double, or if not it will be converted
function( doublevalue,... 

// the integer value will be converted into a double. But you do not need a cast.
function( (double) integerValue,.... 


However, if you are passing a pointer to the array of integers then you connot use anything like the above. You must pass it as an integer pointer and the called function will then do the conversion. Something like:
C++
double function(int* myArrayOfIntegers, int count)
{
    double result = 0.0;

    for (int i = 0; i < count; ++i)
    {
        double temp = myArrayOfIntegers[i]; // get next integer and convert to double
        // do some calculations
    }
    return result;
}
// ....

// create an array to hold all the values
int* theIntegers = new int[theCount];
// fill the array from the source values
// ...

// send the array to be processed
double theAnswer = function(theIntegers, theCount);

GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Vaclav_29-Sep-14 4:06
MemberVaclav_29-Sep-14 4:06 
GeneralRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Richard MacCutchan29-Sep-14 5:27
mveRichard MacCutchan29-Sep-14 5:27 
AnswerRe: Will casting / passing 16 bit int as double harm FFT processing? Pin
Albert Holguin29-Sep-14 9:36
professionalAlbert Holguin29-Sep-14 9:36 
GeneralSOLVED Will casting / passing 16 bit int as double harm FFT processing? YES Pin
Vaclav_29-Sep-14 17:13
MemberVaclav_29-Sep-14 17:13 
QuestionConverting a string to a double Pin
Richard Andrew x6426-Sep-14 20:53
professionalRichard Andrew x6426-Sep-14 20:53 
AnswerRe: Converting a string to a double Pin
Richard MacCutchan26-Sep-14 21:35
mveRichard MacCutchan26-Sep-14 21:35 
AnswerRe: Converting a string to a double Pin
Jochen Arndt26-Sep-14 21:41
professionalJochen Arndt26-Sep-14 21:41 
QuestionSigned integers considered harmful? Pin
harold aptroot26-Sep-14 8:38
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AnswerRe: Signed integers considered harmful? Pin
Chris Losinger26-Sep-14 8:46
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GeneralRe: Signed integers considered harmful? Pin
PIEBALDconsult26-Sep-14 9:02
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AnswerRe: Signed integers considered harmful? Pin
Richard Andrew x6426-Sep-14 9:02
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GeneralRe: Signed integers considered harmful? Pin
harold aptroot26-Sep-14 10:15
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AnswerRe: Signed integers considered harmful? Pin
jeron126-Sep-14 9:17
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GeneralRe: Signed integers considered harmful? Pin
Chris Losinger26-Sep-14 9:22
professionalChris Losinger26-Sep-14 9:22 
GeneralRe: Signed integers considered harmful? Pin
jeron126-Sep-14 9:25
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GeneralRe: Signed integers considered harmful? Pin
Richard Andrew x6426-Sep-14 9:34
professionalRichard Andrew x6426-Sep-14 9:34 
GeneralRe: Signed integers considered harmful? Pin
PIEBALDconsult26-Sep-14 9:45
professionalPIEBALDconsult26-Sep-14 9:45 

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