Changed integer operations to float for Intel devices
Added ippiComputeThreshold_Otsu to cv::threshold
Added setIppErrorStatus()
fixed compilation
Merge pull request #2677 from ilya-lavrenov:ipp_compilation
Merge pull request #2667 from akarsakov:ipp_otsu
Merge pull request #2682 from ElenaGvozdeva:ippiDFT
added setIppErrorStatus() for ippsDFT and perf_dft for nonzero_rows!=0
fixed compilation
Added ippiComputeThreshold_Otsu to cv::threshold
Added setIppErrorStatus()
Disable ipp integral in IPPICV version
Disabled IPP resize for CV_8U
Merge branch 'master' of https://github.com/Itseez/opencv
Merge pull request #2635 from akarsakov:gaussian_float_intel
Merge pull request #2686 from vbystricky:ippicv_integral
Merge pull request #2688 from akarsakov:ipp_disable_resize_8u
Merge branch 'master' of https://github.com/Itseez/opencv
added setIppErrorStatus() for ippsDFT and perf_dft for nonzero_rows!=0