Reading ASCII numbers using "D" instead of "E" for scientific notation using C
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Published on 2010-03-31T17:30:59Z
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Hello,
I have a list of numbers which looks like this: 1.234D+1
or 1.234D-02
. I want to read the file using C. The function atof
will merely ignore the D
and translate only the mantissa. The function fscanf
will not accept the format '%10.6e'
because it expects an E
instead of a D
in the exponent.
When I ran into this problem in Python, I have up and merely used a string substitution before converting from string to float. But in C, I am sure there must be another way.
So, how would you read a file with numbers using D
instead of E
for scientific notation? Notice that I do not mean how to read the strings themselves, but rather how to convert them to floats.
Thanks.
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