From bf8973c4617c30b1474bed2b7e399d6bf7f68839 Mon Sep 17 00:00:00 2001
From: Jasper
Date: Mon, 8 Sep 2025 10:05:32 +0200
Subject: More functions with '1' suffix

Added more versions of existing functions with suffix '1' that take a matrix
as argument and perform the action (e.g. filling a matrix with random
entries) to the passed matrix.
'matrix_add' and 'matrix_scale' save the result in the matrix passed
first.
---
 matrix.h | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'matrix.h')

diff --git a/matrix.h b/matrix.h
index c3138e2..75e605e 100644
--- a/matrix.h
+++ b/matrix.h
@@ -19,9 +19,6 @@
 
 #define matrix_is_square(mat) ((mat)->m == (mat)->n)
 
-#define TRUE 1
-#define FALSE 0
-
 typedef enum {
     MATRIX_DIAG,
     MATRIX_TRIAG_UPPER,
@@ -51,17 +48,23 @@ Matrix *matrix_from_arr(double arr[], size_t m, size_t n);
 char *matrix_to_str(const Matrix *mat);
 Matrix *matrix_id(size_t n);
 Matrix *matrix_const(size_t m, size_t n, double x);
+void matrix_const1(Matrix *mat, double x);
 Matrix *matrix_copy (const Matrix *mat);
+void matrix_copy1(Matrix *A, const Matrix *B);
 Matrix *matrix_swap(const Matrix *mat, MatrixSwapType t, size_t i, size_t j);
 void matrix_swap1(Matrix *mat, MatrixSwapType t, size_t i, size_t j);
 double matrix_trace(const Matrix *mat);
 Matrix *matrix_transpose(const Matrix *mat);
 Matrix *matrix_add(const Matrix *A, const Matrix *B);
+void matrix_add1(Matrix *A, const Matrix *B);
 Matrix *matrix_scale(const Matrix *A, double x);
+void matrix_scale1(Matrix *A, double x);
 Matrix *matrix_sub(const Matrix *A, const Matrix *B);
+void matrix_sub1(Matrix *A, const Matrix *B);
 Matrix *matrix_mult(const Matrix *A, const Matrix *B);
 Matrix *matrix_rand(size_t m, size_t n, int bound_l, int bound_u, MatrixType type);
-int matrix_eq(const Matrix *A, const Matrix *B, double tol);
+void matrix_rand1(Matrix *mat, int bound_l, int bound_u, MatrixType type);
+bool matrix_eq(const Matrix *A, const Matrix *B, double tol);
 double matrix_norm_frob(const Matrix *mat);
 Matrix **matrix_LR(const Matrix *A, const Matrix *b);
 Matrix *matrix_forwardel(const Matrix *L, const Matrix *b);
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