2528df0f75
These changes make it unnecessary to copy header files around during the build process, which tends to confuse IDEs and debuggers. The headers which comprise Cantera's external C++ interface are now in the 'include' directory. All of the samples and demos are now in the 'samples' subdirectory.
92 lines
2 KiB
Matlab
92 lines
2 KiB
Matlab
function s = char(p)
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% CHAR -
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%
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if strcmp(p.typ,'sum')
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s = ['(' char(p.f1) ') + (' char(p.f2) ')'];
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elseif strcmp(p.typ,'diff')
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s = ['(' char(p.f1) ') - (' char(p.f2) ')'];
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elseif strcmp(p.typ,'prod')
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s = ['(' char(p.f1) ') * (' char(p.f2) ')'];
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elseif strcmp(p.typ,'ratio')
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s = ['(' char(p.f1) ') / (' char(p.f2) ')'];
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elseif all(p.coeffs == 0)
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s = '0';
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else
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if strcmp(p.typ,'polynomial')
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d = length(p.coeffs) - 1;
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s = [];
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nn = 0;
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for b = p.coeffs;
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cc(d+1-nn) = b;
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nn = nn + 1;
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end
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for a = cc;
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if a ~= 0;
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if ~isempty(s)
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if a > 0
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s = [s ' + '];
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else
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s = [s ' - '];
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a = -a;
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end
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end
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if a ~= 1 | d == 0
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s = [s num2str(a)];
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if d > 0
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s = [s '*'];
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end
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end
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if d >= 2
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s = [s 'x^' int2str(d)];
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elseif d == 1
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s = [s 'x'];
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end
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end
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d = d - 1;
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end
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elseif strcmp(p.typ,'gaussian')
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s = num2str(p.coeffs(1));
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s = ['Gaussian(' num2str(p.coeffs(1)) ',' ...
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num2str(p.coeffs(2)) ',' ...
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num2str(p.coeffs(3)) ')'];
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elseif strcmp(p.typ,'fourier')
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c = reshape(p.coeffs, [],2);
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Ao = c(1,1);
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w = c(1,2);
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A = c(2:end,1);
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B = c(2:end,2);
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N = size(c,1)-1;
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if Ao ~= 0
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s = [num2str(Ao/2)];
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else
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s = '';
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end
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for n=1:N
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if A(n) ~= 0
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if A(n) < 0
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prefix = ' - ';
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elseif s
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prefix = ' + ';
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else
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prefix = '';
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end
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s = [s prefix num2str(abs(A(n))) '*cos(' num2str(n*w) '*x)'];
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end
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if B(n) ~= 0
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if B(n) < 0
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prefix = ' - ';
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elseif s
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prefix = ' + ';
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else
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prefix = '';
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end
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s = [s prefix num2str(abs(B(n))) '*sin(' num2str(n*w) '*x)'];
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end
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end
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else
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s = ['*** char not yet implemented for' p.typ ' ***'];
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end
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end
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