Python module to embed C/C++ code within Python programs and scripts.
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from embedc import C
def myround(number):
return round(number, 1)
def test(data):
datalen = len(data)
mean = 0.0
stddev = 0.0
status="Calculate statistics"
C("""
#include <math.h>
// import the Python function to use in C
DEF double myround double
printf("%s\n", status);
double sum, sumsq = 0.0;
for(int i=0;i<datalen; i++) {
sum += data[i]; // access Python arrays
}
// modify Python variable
mean = sum / datalen;
for(int i=0;i<datalen; i++) {
sumsq += pow((data[i] - mean),2);
}
// call Python code, passing variables
stddev = myround(sqrt(sumsq / (datalen-1)));
mean = myround(mean);
status = "Done";
""")
print("Mean = %f" % mean)
print("Stddev = %f" % stddev)
print(status)
samples=(10.5,15.1,14.6,12.3,19.8,17.1,6.1)
test(samples)
Calculate statistics Mean = 13.600000 Stddev = 4.500000 Done
Copyright 2010-2016 by Fernando Trias. All righs reserved.