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fix the value scale - ploot - simple plotting tools |
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git clone git://bitreich.org/ploot git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65… |
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--- |
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commit eb816ab512727f55665f05809c78563ff93a94cc |
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parent 2a69604bc0f075b85c3b6c1e4e60a455e09e8bc2 |
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Author: Josuah Demangeon <[email protected]> |
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Date: Sun, 27 Jun 2021 01:25:05 +0200 |
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fix the value scale |
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Diffstat: |
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M ploot-braille.c | 8 +++++--- |
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1 file changed, 5 insertions(+), 3 deletions(-) |
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--- |
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diff --git a/ploot-braille.c b/ploot-braille.c |
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@@ -68,12 +68,13 @@ adjust_scale(double *min, double *max, int rows) |
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dv = *max - *min; |
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+ step = 1; |
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if (dv > 1) { |
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for (double mant = 1;; mant *= 10) { |
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double *sc = scale; |
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for (; sc < scale + LEN(scale); sc++) { |
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step = mant * *sc; |
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- if (dv < (rows - 2) * step) |
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+ if (dv < rows * step) |
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goto end; |
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} |
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} |
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@@ -81,9 +82,10 @@ adjust_scale(double *min, double *max, int rows) |
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for (double mant = 1;; mant /= 10) { |
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double *sc = scale + LEN(scale) - 1; |
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for (; sc >= scale; sc--) { |
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- step = mant * *sc; |
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- if (dv > (rows - 2) * step) |
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+ double tmp = mant * *sc; |
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+ if (dv > rows * tmp) |
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goto end; |
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+ step = tmp; |
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} |
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} |
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} |
