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Diffstat (limited to 'src/utils.sc')
| -rw-r--r-- | src/utils.sc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/utils.sc b/src/utils.sc index 20452b0..94b7dcd 100644 --- a/src/utils.sc +++ b/src/utils.sc @@ -89,6 +89,11 @@ the range [0,pi]." exact value EXACT." (return (fabs (- 1 (/ approx exact))))) +(define (rtol? approx exact rtol) (int double double double) + "Return 1 if the approximate value APPROX is within RTOL relative +tolerance of the exact value EXACT. Else, return 0." + (return (< (rerror approx exact) rtol))) + (sc-define-syntax (with-root-fsolver solver solver-type function a b body ...) (with-alloc solver gsl-root-fsolver* (gsl-root-fsolver-alloc solver-type) |