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Remove returning values of Add/Concat

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This commit is contained in:
Hajime Hoshi 2014-12-29 19:04:18 +09:00
parent 2d667a399c
commit b77181e37a
2 changed files with 4 additions and 12 deletions
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8
colorm.go
View File

@ -60,27 +60,23 @@ func (c ColorM) Element(i, j int) float64 {
} }
// Concat multiplies a color matrix with the other color matrix. // Concat multiplies a color matrix with the other color matrix.
// This returns c. func (c *ColorM) Concat(other ColorM) {
func (c *ColorM) Concat(other ColorM) ColorM {
if !c.initialized { if !c.initialized {
*c = colorMI *c = colorMI
} }
result := ColorM{} result := ColorM{}
mul(&other, c, &result) mul(&other, c, &result)
*c = result *c = result
return *c
} }
// Add adds a color matrix with the other color matrix. // Add adds a color matrix with the other color matrix.
// This returns c. func (c *ColorM) Add(other ColorM) {
func (c *ColorM) Add(other ColorM) ColorM {
if !c.initialized { if !c.initialized {
*c = colorMI *c = colorMI
} }
result := ColorM{} result := ColorM{}
add(&other, c, &result) add(&other, c, &result)
*c = result *c = result
return *c
} }
// SetElement sets an element at (i, j). // SetElement sets an element at (i, j).

8
geom.go
View File

@ -53,27 +53,23 @@ func (g GeoM) Element(i, j int) float64 {
} }
// Concat multiplies a geometry matrix with the other geometry matrix. // Concat multiplies a geometry matrix with the other geometry matrix.
// This returns g. func (g *GeoM) Concat(other GeoM) {
func (g *GeoM) Concat(other GeoM) GeoM {
if !g.initialized { if !g.initialized {
*g = geoMI *g = geoMI
} }
result := GeoM{} result := GeoM{}
mul(&other, g, &result) mul(&other, g, &result)
*g = result *g = result
return *g
} }
// Add adds a geometry matrix with the other geometry matrix. // Add adds a geometry matrix with the other geometry matrix.
// This returns g. func (g *GeoM) Add(other GeoM) {
func (g *GeoM) Add(other GeoM) GeoM {
if !g.initialized { if !g.initialized {
*g = geoMI *g = geoMI
} }
result := GeoM{} result := GeoM{}
add(&other, g, &result) add(&other, g, &result)
*g = result *g = result
return *g
} }
// SetElement sets an element at (i, j). // SetElement sets an element at (i, j).