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#ifndef _RAD_CMATRIX_H_ |
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#define _RAD_CMATRIX_H_ |
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#include <sys/types.h> |
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#include "color.h" |
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#ifdef __cplusplus |
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#endif |
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/* Data types for file loading */ |
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enum {DTfromHeader=0, DTascii, DTrgbe, DTxyze, DTfloat, DTdouble, DTend}; |
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enum {DTfromHeader=0, DTrgbe, DTxyze, DTfloat, DTascii, DTdouble, DTend}; |
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extern const char *cm_fmt_id[]; |
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extern const int cm_elem_size[]; |
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#define COLSPEC (sizeof(COLORV)==sizeof(float) ? "%f %f %f" : "%lf %lf %lf") |
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#define cm_lval(cm,r,c) ((cm)->cmem + 3*((r)*(cm)->ncols + (c))) |
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#define cm_lval(cm,r,c) ((cm)->cmem + 3*((size_t)(r)*(cm)->ncols + (c))) |
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#define cv_lval(cm,i) ((cm)->cmem + 3*(i)) |
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#define cm_free(cm) free(cm) |
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/* Load header to obtain/check data type and matrix dimensions */ |
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extern char *cm_getheader(int *dt, int *nr, int *nc, FILE *fp); |
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extern char *cm_getheader(int *dt, int *nr, int *nc, int *swp, FILE *fp); |
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/* Allocate and load a matrix from the given input (or stdin if NULL) */ |
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extern CMATRIX *cm_load(const char *inspec, int nrows, int ncols, int dtype); |
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/* Extract a column vector from a matrix */ |
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extern CMATRIX *cm_column(const CMATRIX *cm, int c); |
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/* Scale a matrix by a single value */ |
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extern CMATRIX *cm_scale(const CMATRIX *cm1, const COLOR sca); |
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/* Multiply two matrices (or a matrix and a vector) and allocate the result */ |
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extern CMATRIX *cm_multiply(const CMATRIX *cm1, const CMATRIX *cm2); |
