cosmopolitan/tool/viz/lib/formatmatrix-double.c

70 lines
3.6 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/conv/conv.h"
#include "libc/log/check.h"
#include "libc/math.h"
#include "libc/mem/mem.h"
#include "libc/runtime/gc.h"
#include "libc/x/x.h"
#include "third_party/gdtoa/gdtoa.h"
#include "tool/viz/lib/formatstringtable.h"
#include "tool/viz/lib/stringbuilder.h"
void *ConvertMatrixToStringTable(long yn, long xn, char *T[yn][xn],
const double M[yn][xn], double digs,
double rounder(double)) {
double f;
long y, x;
assert(yn && xn && !T[0][0]);
for (y = 0; y < yn; ++y) {
for (x = 0; x < xn; ++x) {
T[y][x] = xmalloc(40);
T[y][x][0] = '\0';
g_dfmt_p(T[y][x], &M[y][x], digs, 40, 0);
}
}
return T;
}
void FormatMatrixDouble(long yn, long xn, const double M[yn][xn], int emit(),
void *arg, StringTableFormatter formatter,
const char *param1, const char *param2,
const char *param3, double digs,
double rounder(double)) {
FreeStringTableCells(
yn, xn,
formatter(
yn, xn,
ConvertMatrixToStringTable(
yn, xn, gc(calloc(yn * xn, sizeof(char *))), M, digs, rounder),
emit, arg, param1, param2, param3));
}
char *StringifyMatrixDouble(long yn, long xn, const double M[yn][xn],
StringTableFormatter formatter, const char *param1,
const char *param2, const char *param3, double digs,
double rounder(double)) {
struct StringBuilder *sb = NewStringBuilder();
FormatMatrixDouble(yn, xn, M, StringBuilderAppend, sb, formatter, param1,
param2, param3, digs, rounder);
return FreeStringBuilder(sb);
}