Finds the zero of function f within interval [a,b] Wrapper for Fortran 77 routine in zeroin.f
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=DP), | intent(in) | :: | a |
Left limit of interval |
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| real(kind=DP), | intent(in) | :: | b |
Right limit of interval |
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| real(kind=DP), | intent(in) | :: | tol |
Absolute tolerance of result |
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| class(func_1D_t), | intent(in), | target | :: | f |
Function f |
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| integer, | intent(in), | contiguous, target | :: | iuser(:) |
Integer parameters of function f |
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| real(kind=DP), | intent(in), | contiguous, target | :: | ruser(:) |
Real parameters of function f |
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| real(kind=DP), | intent(out) | :: | xzero |
On success: zero of function f |
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| integer, | intent(out) | :: | ifail |
On success = 0, otherwise -1 |