Last change
on this file since 403 was 337, checked in by coas-nagasima, 6 years ago |
ASP3版ECNLを追加
|
-
Property svn:eol-style
set to
native
-
Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
358 bytes
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Line | |
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1 | #define _GNU_SOURCE
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2 | #include <stdlib.h>
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3 | #include <stdio.h>
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4 |
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5 | char *ecvt(double x, int n, int *dp, int *sign)
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6 | {
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7 | static char buf[16];
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8 | char tmp[32];
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9 | int i, j;
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10 |
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11 | if (n-1U > 15) n = 15;
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12 | sprintf(tmp, "%.*e", n-1, x);
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13 | i = *sign = (tmp[0]=='-');
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14 | for (j=0; tmp[i]!='e'; j+=(tmp[i++]!='.'))
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15 | buf[j] = tmp[i];
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16 | buf[j] = 0;
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17 | *dp = atoi(tmp+i+1)+1;
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18 |
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19 | return buf;
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20 | }
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