29 lines
701 B
C
29 lines
701 B
C
#include <gsl/gsl_sf_gamma.h>
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#include <gsl/gsl_sf_result.h>
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#include <qpms/ewald.h>
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#include <stdio.h>
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#include <math.h>
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#include <complex.h>
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//#include <gsl/gsl_integration.h>
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#include <gsl/gsl_errno.h>
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int main(int argc, char **argv) {
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gsl_error_handler_t * old_handler=gsl_set_error_handler_off();
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int j;
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double x;
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while (scanf("%d %lf", &j, &x) == 2) {
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printf("%d %.16g", j, x);
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qpms_csf_result res;
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complex double argfac = 1;
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for (int i = 0; i < 4; ++i, argfac *= I) {
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int retval = complex_gamma_inc_e(0.5-j, argfac * x, &res);
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printf(" | %.16g+%.16gj %.4g %d", creal(res.val), cimag(res.val), res.err, retval);
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}
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putchar('\n');
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}
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return 0;
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}
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